./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.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/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 8e9fad8e4cf3911fa9881577a543d060495d5513 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 8e9fad8e4cf3911fa9881577a543d060495d5513 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:13:32,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:13:32,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:13:32,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:13:32,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:13:32,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:13:32,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:13:32,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:13:32,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:13:32,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:13:32,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:13:32,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:13:32,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:13:32,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:13:32,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:13:32,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:13:32,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:13:32,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:13:32,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:13:32,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:13:32,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:13:32,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:13:32,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:13:32,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:13:32,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:13:32,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:13:32,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:13:32,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:13:32,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:13:32,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:13:32,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:13:32,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:13:32,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:13:32,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:13:32,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:13:32,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:13:32,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:13:32,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:13:32,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:13:32,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:13:32,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:13:32,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 21:13:32,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:13:32,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:13:32,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:13:32,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:13:32,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:13:32,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:13:32,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:13:32,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:13:32,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:13:32,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:13:32,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:13:32,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:13:32,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:13:32,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:13:32,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:13:32,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:13:32,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:13:32,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:13:32,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:13:32,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:13:32,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:13:32,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:13:32,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:13:32,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:13:32,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:13:32,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:13:32,525 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/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 -> 8e9fad8e4cf3911fa9881577a543d060495d5513 [2019-11-15 21:13:32,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:13:32,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:13:32,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:13:32,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:13:32,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:13:32,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-15 21:13:32,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/a8ee5301f/d303eaf07ef44b4f9884c58d04ddde00/FLAGe30feab86 [2019-11-15 21:13:33,188 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:13:33,192 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-15 21:13:33,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/a8ee5301f/d303eaf07ef44b4f9884c58d04ddde00/FLAGe30feab86 [2019-11-15 21:13:33,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/a8ee5301f/d303eaf07ef44b4f9884c58d04ddde00 [2019-11-15 21:13:33,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:13:33,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:13:33,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:13:33,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:13:33,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:13:33,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:13:33" (1/1) ... [2019-11-15 21:13:33,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f177f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:33, skipping insertion in model container [2019-11-15 21:13:33,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:13:33" (1/1) ... [2019-11-15 21:13:33,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:13:33,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:13:34,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:13:34,050 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:13:34,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:13:34,182 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:13:34,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34 WrapperNode [2019-11-15 21:13:34,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:13:34,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:13:34,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:13:34,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:13:34,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... [2019-11-15 21:13:34,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:13:34,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:13:34,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:13:34,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:13:34,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:13:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:13:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:13:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:13:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:13:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:13:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:13:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:13:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:13:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:13:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:13:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:13:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:13:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:13:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:13:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:13:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:13:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:13:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:13:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:13:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:13:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:13:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:13:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:13:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:13:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:13:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:13:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:13:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_get [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_put [2019-11-15 21:13:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:13:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:13:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:13:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:13:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:13:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:13:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:13:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:13:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:13:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:13:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:13:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:13:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:13:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:13:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:13:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:13:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:13:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:13:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:13:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:13:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:13:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:13:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:13:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:13:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:13:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:13:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:13:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:13:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:13:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:13:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:13:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:13:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:13:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:13:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:13:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:13:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:13:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:13:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:13:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:13:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:13:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:13:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:13:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:13:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:13:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:13:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:13:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:13:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:13:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:13:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:13:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:13:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:13:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:13:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:13:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:13:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:13:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:13:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:13:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:13:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:13:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:13:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_get [2019-11-15 21:13:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_put [2019-11-15 21:13:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:13:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:13:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 21:13:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:13:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:13:34,855 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:13:35,092 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:13:35,308 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:13:35,308 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:13:35,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:13:35 BoogieIcfgContainer [2019-11-15 21:13:35,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:13:35,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:13:35,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:13:35,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:13:35,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:13:33" (1/3) ... [2019-11-15 21:13:35,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674af1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:13:35, skipping insertion in model container [2019-11-15 21:13:35,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:34" (2/3) ... [2019-11-15 21:13:35,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674af1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:13:35, skipping insertion in model container [2019-11-15 21:13:35,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:13:35" (3/3) ... [2019-11-15 21:13:35,326 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2019-11-15 21:13:35,336 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:13:35,345 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-15 21:13:35,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-15 21:13:35,373 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:13:35,373 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:13:35,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:13:35,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:13:35,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:13:35,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:13:35,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:13:35,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:13:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2019-11-15 21:13:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:35,402 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:35,403 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:35,405 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:35,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:35,410 INFO L82 PathProgramCache]: Analyzing trace with hash -961336726, now seen corresponding path program 1 times [2019-11-15 21:13:35,418 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:35,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671083534] [2019-11-15 21:13:35,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:35,419 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:35,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:35,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671083534] [2019-11-15 21:13:35,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:35,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:13:35,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395153551] [2019-11-15 21:13:35,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:13:35,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:35,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:13:35,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:13:35,758 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 7 states. [2019-11-15 21:13:36,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:36,722 INFO L93 Difference]: Finished difference Result 176 states and 190 transitions. [2019-11-15 21:13:36,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:13:36,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-15 21:13:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:36,740 INFO L225 Difference]: With dead ends: 176 [2019-11-15 21:13:36,740 INFO L226 Difference]: Without dead ends: 169 [2019-11-15 21:13:36,742 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:13:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-15 21:13:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 168. [2019-11-15 21:13:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-15 21:13:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 182 transitions. [2019-11-15 21:13:36,804 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 182 transitions. Word has length 17 [2019-11-15 21:13:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:36,804 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 182 transitions. [2019-11-15 21:13:36,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:13:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 182 transitions. [2019-11-15 21:13:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:36,806 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:36,806 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:36,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:36,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:36,807 INFO L82 PathProgramCache]: Analyzing trace with hash -961336725, now seen corresponding path program 1 times [2019-11-15 21:13:36,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:36,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817174967] [2019-11-15 21:13:36,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:36,808 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:36,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:36,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817174967] [2019-11-15 21:13:36,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:36,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:36,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696111991] [2019-11-15 21:13:36,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:36,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:36,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:36,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:36,976 INFO L87 Difference]: Start difference. First operand 168 states and 182 transitions. Second operand 8 states. [2019-11-15 21:13:37,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:37,899 INFO L93 Difference]: Finished difference Result 168 states and 181 transitions. [2019-11-15 21:13:37,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:13:37,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-15 21:13:37,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:37,902 INFO L225 Difference]: With dead ends: 168 [2019-11-15 21:13:37,902 INFO L226 Difference]: Without dead ends: 168 [2019-11-15 21:13:37,903 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:37,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-15 21:13:37,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2019-11-15 21:13:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-15 21:13:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 181 transitions. [2019-11-15 21:13:37,929 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 181 transitions. Word has length 17 [2019-11-15 21:13:37,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:37,929 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 181 transitions. [2019-11-15 21:13:37,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 181 transitions. [2019-11-15 21:13:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:37,930 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:37,930 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:37,931 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:37,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:37,931 INFO L82 PathProgramCache]: Analyzing trace with hash -932707575, now seen corresponding path program 1 times [2019-11-15 21:13:37,931 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:37,932 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872227273] [2019-11-15 21:13:37,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:37,932 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:37,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:38,104 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872227273] [2019-11-15 21:13:38,104 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:38,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:38,104 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153877464] [2019-11-15 21:13:38,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:13:38,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:38,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:13:38,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:13:38,105 INFO L87 Difference]: Start difference. First operand 168 states and 181 transitions. Second operand 7 states. [2019-11-15 21:13:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:38,677 INFO L93 Difference]: Finished difference Result 164 states and 174 transitions. [2019-11-15 21:13:38,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:13:38,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-15 21:13:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:38,679 INFO L225 Difference]: With dead ends: 164 [2019-11-15 21:13:38,680 INFO L226 Difference]: Without dead ends: 164 [2019-11-15 21:13:38,680 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:38,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-15 21:13:38,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2019-11-15 21:13:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-15 21:13:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2019-11-15 21:13:38,694 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 17 [2019-11-15 21:13:38,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:38,694 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2019-11-15 21:13:38,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:13:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2019-11-15 21:13:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:13:38,695 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:38,696 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] [2019-11-15 21:13:38,696 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:38,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1214172917, now seen corresponding path program 1 times [2019-11-15 21:13:38,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:38,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962915057] [2019-11-15 21:13:38,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:38,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:38,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:38,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962915057] [2019-11-15 21:13:38,802 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:38,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:13:38,802 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930197532] [2019-11-15 21:13:38,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:38,803 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:38,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:38,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:38,803 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 8 states. [2019-11-15 21:13:39,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:39,371 INFO L93 Difference]: Finished difference Result 178 states and 190 transitions. [2019-11-15 21:13:39,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:13:39,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-11-15 21:13:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:39,374 INFO L225 Difference]: With dead ends: 178 [2019-11-15 21:13:39,374 INFO L226 Difference]: Without dead ends: 178 [2019-11-15 21:13:39,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:13:39,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-11-15 21:13:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 162. [2019-11-15 21:13:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-11-15 21:13:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 171 transitions. [2019-11-15 21:13:39,392 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 171 transitions. Word has length 29 [2019-11-15 21:13:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:39,393 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 171 transitions. [2019-11-15 21:13:39,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2019-11-15 21:13:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:13:39,394 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:39,395 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] [2019-11-15 21:13:39,395 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:39,396 INFO L82 PathProgramCache]: Analyzing trace with hash 2083722026, now seen corresponding path program 1 times [2019-11-15 21:13:39,396 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:39,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114208150] [2019-11-15 21:13:39,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:39,397 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:39,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:39,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114208150] [2019-11-15 21:13:39,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:39,601 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-15 21:13:39,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977077643] [2019-11-15 21:13:39,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:13:39,602 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:39,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:13:39,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:13:39,604 INFO L87 Difference]: Start difference. First operand 162 states and 171 transitions. Second operand 12 states. [2019-11-15 21:13:40,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:40,805 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2019-11-15 21:13:40,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:13:40,805 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-11-15 21:13:40,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:40,807 INFO L225 Difference]: With dead ends: 189 [2019-11-15 21:13:40,807 INFO L226 Difference]: Without dead ends: 189 [2019-11-15 21:13:40,808 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2019-11-15 21:13:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-15 21:13:40,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 172. [2019-11-15 21:13:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-15 21:13:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 180 transitions. [2019-11-15 21:13:40,820 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 180 transitions. Word has length 29 [2019-11-15 21:13:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:40,821 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 180 transitions. [2019-11-15 21:13:40,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:13:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 180 transitions. [2019-11-15 21:13:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:13:40,823 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:40,823 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] [2019-11-15 21:13:40,824 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:40,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:40,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2107820100, now seen corresponding path program 1 times [2019-11-15 21:13:40,824 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:40,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517194096] [2019-11-15 21:13:40,825 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:40,825 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:40,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:41,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517194096] [2019-11-15 21:13:41,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:41,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:13:41,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878389564] [2019-11-15 21:13:41,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:13:41,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:41,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:13:41,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:13:41,024 INFO L87 Difference]: Start difference. First operand 172 states and 180 transitions. Second operand 14 states. [2019-11-15 21:13:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:42,571 INFO L93 Difference]: Finished difference Result 198 states and 213 transitions. [2019-11-15 21:13:42,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 21:13:42,571 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2019-11-15 21:13:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:42,573 INFO L225 Difference]: With dead ends: 198 [2019-11-15 21:13:42,574 INFO L226 Difference]: Without dead ends: 198 [2019-11-15 21:13:42,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-15 21:13:42,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-15 21:13:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 171. [2019-11-15 21:13:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-15 21:13:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 179 transitions. [2019-11-15 21:13:42,588 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 179 transitions. Word has length 32 [2019-11-15 21:13:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:42,588 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 179 transitions. [2019-11-15 21:13:42,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:13:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 179 transitions. [2019-11-15 21:13:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:13:42,590 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:42,590 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] [2019-11-15 21:13:42,590 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:42,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2107820099, now seen corresponding path program 1 times [2019-11-15 21:13:42,591 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:42,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739025429] [2019-11-15 21:13:42,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:42,592 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:42,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:42,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739025429] [2019-11-15 21:13:42,686 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:42,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:42,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568129147] [2019-11-15 21:13:42,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:13:42,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:42,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:13:42,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:13:42,688 INFO L87 Difference]: Start difference. First operand 171 states and 179 transitions. Second operand 7 states. [2019-11-15 21:13:43,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:43,275 INFO L93 Difference]: Finished difference Result 186 states and 194 transitions. [2019-11-15 21:13:43,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:13:43,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 21:13:43,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:43,277 INFO L225 Difference]: With dead ends: 186 [2019-11-15 21:13:43,277 INFO L226 Difference]: Without dead ends: 184 [2019-11-15 21:13:43,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:43,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-15 21:13:43,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 172. [2019-11-15 21:13:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-15 21:13:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 180 transitions. [2019-11-15 21:13:43,287 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 180 transitions. Word has length 32 [2019-11-15 21:13:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:43,288 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 180 transitions. [2019-11-15 21:13:43,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:13:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 180 transitions. [2019-11-15 21:13:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 21:13:43,289 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:43,290 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] [2019-11-15 21:13:43,290 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:43,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:43,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1672530916, now seen corresponding path program 1 times [2019-11-15 21:13:43,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:43,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086263993] [2019-11-15 21:13:43,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:43,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:43,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:43,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086263993] [2019-11-15 21:13:43,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:43,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 21:13:43,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163525166] [2019-11-15 21:13:43,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:13:43,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:43,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:13:43,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:13:43,556 INFO L87 Difference]: Start difference. First operand 172 states and 180 transitions. Second operand 15 states. [2019-11-15 21:13:45,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:45,006 INFO L93 Difference]: Finished difference Result 183 states and 191 transitions. [2019-11-15 21:13:45,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:13:45,007 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 33 [2019-11-15 21:13:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:45,008 INFO L225 Difference]: With dead ends: 183 [2019-11-15 21:13:45,008 INFO L226 Difference]: Without dead ends: 183 [2019-11-15 21:13:45,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2019-11-15 21:13:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-11-15 21:13:45,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 171. [2019-11-15 21:13:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-15 21:13:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 179 transitions. [2019-11-15 21:13:45,016 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 179 transitions. Word has length 33 [2019-11-15 21:13:45,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:45,017 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 179 transitions. [2019-11-15 21:13:45,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:13:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 179 transitions. [2019-11-15 21:13:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 21:13:45,018 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:45,019 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, 1, 1, 1] [2019-11-15 21:13:45,019 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:45,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:45,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1473173810, now seen corresponding path program 1 times [2019-11-15 21:13:45,020 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:45,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035660344] [2019-11-15 21:13:45,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:45,020 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:45,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:45,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035660344] [2019-11-15 21:13:45,233 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:45,234 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:13:45,234 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052763442] [2019-11-15 21:13:45,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:13:45,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:45,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:13:45,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:13:45,235 INFO L87 Difference]: Start difference. First operand 171 states and 179 transitions. Second operand 14 states. [2019-11-15 21:13:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:46,532 INFO L93 Difference]: Finished difference Result 181 states and 189 transitions. [2019-11-15 21:13:46,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 21:13:46,533 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2019-11-15 21:13:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:46,534 INFO L225 Difference]: With dead ends: 181 [2019-11-15 21:13:46,534 INFO L226 Difference]: Without dead ends: 181 [2019-11-15 21:13:46,534 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-15 21:13:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-15 21:13:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 169. [2019-11-15 21:13:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-11-15 21:13:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 177 transitions. [2019-11-15 21:13:46,541 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 177 transitions. Word has length 38 [2019-11-15 21:13:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:46,541 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 177 transitions. [2019-11-15 21:13:46,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:13:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 177 transitions. [2019-11-15 21:13:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 21:13:46,543 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:46,543 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, 1, 1, 1] [2019-11-15 21:13:46,544 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:46,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:46,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1473173809, now seen corresponding path program 1 times [2019-11-15 21:13:46,544 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:46,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696269691] [2019-11-15 21:13:46,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:46,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:46,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:46,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696269691] [2019-11-15 21:13:46,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:46,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 21:13:46,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130881067] [2019-11-15 21:13:46,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:13:46,821 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:46,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:13:46,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:13:46,822 INFO L87 Difference]: Start difference. First operand 169 states and 177 transitions. Second operand 15 states. [2019-11-15 21:13:48,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:48,311 INFO L93 Difference]: Finished difference Result 179 states and 187 transitions. [2019-11-15 21:13:48,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:13:48,312 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2019-11-15 21:13:48,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:48,313 INFO L225 Difference]: With dead ends: 179 [2019-11-15 21:13:48,313 INFO L226 Difference]: Without dead ends: 179 [2019-11-15 21:13:48,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2019-11-15 21:13:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-11-15 21:13:48,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2019-11-15 21:13:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-11-15 21:13:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 175 transitions. [2019-11-15 21:13:48,321 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 175 transitions. Word has length 38 [2019-11-15 21:13:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:48,321 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 175 transitions. [2019-11-15 21:13:48,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:13:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 175 transitions. [2019-11-15 21:13:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 21:13:48,323 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:48,323 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, 1, 1, 1, 1, 1] [2019-11-15 21:13:48,324 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:48,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1177663143, now seen corresponding path program 1 times [2019-11-15 21:13:48,324 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:48,324 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015893806] [2019-11-15 21:13:48,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:48,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:48,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:48,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015893806] [2019-11-15 21:13:48,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:48,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:13:48,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066222841] [2019-11-15 21:13:48,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:13:48,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:48,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:13:48,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:13:48,496 INFO L87 Difference]: Start difference. First operand 167 states and 175 transitions. Second operand 11 states. [2019-11-15 21:13:49,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:49,238 INFO L93 Difference]: Finished difference Result 183 states and 189 transitions. [2019-11-15 21:13:49,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:13:49,239 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2019-11-15 21:13:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:49,240 INFO L225 Difference]: With dead ends: 183 [2019-11-15 21:13:49,240 INFO L226 Difference]: Without dead ends: 160 [2019-11-15 21:13:49,240 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:13:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-15 21:13:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 140. [2019-11-15 21:13:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 21:13:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 146 transitions. [2019-11-15 21:13:49,245 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 146 transitions. Word has length 40 [2019-11-15 21:13:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:49,245 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 146 transitions. [2019-11-15 21:13:49,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:13:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 146 transitions. [2019-11-15 21:13:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 21:13:49,246 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:49,247 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:49,247 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:49,247 INFO L82 PathProgramCache]: Analyzing trace with hash -225524001, now seen corresponding path program 1 times [2019-11-15 21:13:49,248 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:49,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65719919] [2019-11-15 21:13:49,248 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:49,248 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:49,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:49,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65719919] [2019-11-15 21:13:49,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:49,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:13:49,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400779957] [2019-11-15 21:13:49,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:13:49,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:49,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:13:49,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:13:49,401 INFO L87 Difference]: Start difference. First operand 140 states and 146 transitions. Second operand 11 states. [2019-11-15 21:13:50,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:50,023 INFO L93 Difference]: Finished difference Result 162 states and 167 transitions. [2019-11-15 21:13:50,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:13:50,023 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2019-11-15 21:13:50,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:50,024 INFO L225 Difference]: With dead ends: 162 [2019-11-15 21:13:50,024 INFO L226 Difference]: Without dead ends: 160 [2019-11-15 21:13:50,025 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:13:50,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-15 21:13:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 140. [2019-11-15 21:13:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 21:13:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2019-11-15 21:13:50,032 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 43 [2019-11-15 21:13:50,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:50,033 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2019-11-15 21:13:50,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:13:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2019-11-15 21:13:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-15 21:13:50,034 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:50,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:50,035 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:50,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash 61526086, now seen corresponding path program 1 times [2019-11-15 21:13:50,036 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:50,036 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712775201] [2019-11-15 21:13:50,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:50,036 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:50,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:50,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712775201] [2019-11-15 21:13:50,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:50,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:13:50,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806981466] [2019-11-15 21:13:50,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 21:13:50,256 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:50,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 21:13:50,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:13:50,257 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand 13 states. [2019-11-15 21:13:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:51,330 INFO L93 Difference]: Finished difference Result 160 states and 164 transitions. [2019-11-15 21:13:51,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 21:13:51,330 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2019-11-15 21:13:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:51,331 INFO L225 Difference]: With dead ends: 160 [2019-11-15 21:13:51,332 INFO L226 Difference]: Without dead ends: 156 [2019-11-15 21:13:51,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:13:51,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-15 21:13:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 140. [2019-11-15 21:13:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 21:13:51,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2019-11-15 21:13:51,336 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 48 [2019-11-15 21:13:51,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:51,337 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2019-11-15 21:13:51,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 21:13:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2019-11-15 21:13:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 21:13:51,338 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:51,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:51,338 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:51,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash -903476941, now seen corresponding path program 1 times [2019-11-15 21:13:51,339 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:51,339 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931431520] [2019-11-15 21:13:51,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:51,340 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:51,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:51,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931431520] [2019-11-15 21:13:51,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:51,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-11-15 21:13:51,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712939643] [2019-11-15 21:13:51,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 21:13:51,785 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:51,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 21:13:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:13:51,790 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand 20 states. [2019-11-15 21:13:53,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:53,378 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2019-11-15 21:13:53,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-15 21:13:53,379 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 59 [2019-11-15 21:13:53,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:53,380 INFO L225 Difference]: With dead ends: 156 [2019-11-15 21:13:53,380 INFO L226 Difference]: Without dead ends: 156 [2019-11-15 21:13:53,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=1170, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 21:13:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-15 21:13:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 138. [2019-11-15 21:13:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-15 21:13:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2019-11-15 21:13:53,385 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 59 [2019-11-15 21:13:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:53,386 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2019-11-15 21:13:53,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 21:13:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2019-11-15 21:13:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 21:13:53,387 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:53,387 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:53,387 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:53,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:53,388 INFO L82 PathProgramCache]: Analyzing trace with hash -903476940, now seen corresponding path program 1 times [2019-11-15 21:13:53,388 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:53,388 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892964024] [2019-11-15 21:13:53,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:53,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:53,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:53,888 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892964024] [2019-11-15 21:13:53,888 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:53,888 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-11-15 21:13:53,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279710264] [2019-11-15 21:13:53,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 21:13:53,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:53,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 21:13:53,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2019-11-15 21:13:53,890 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand 21 states. [2019-11-15 21:13:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:55,617 INFO L93 Difference]: Finished difference Result 152 states and 156 transitions. [2019-11-15 21:13:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-15 21:13:55,617 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 59 [2019-11-15 21:13:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:55,618 INFO L225 Difference]: With dead ends: 152 [2019-11-15 21:13:55,618 INFO L226 Difference]: Without dead ends: 152 [2019-11-15 21:13:55,619 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=1309, Unknown=0, NotChecked=0, Total=1482 [2019-11-15 21:13:55,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-15 21:13:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 136. [2019-11-15 21:13:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 21:13:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2019-11-15 21:13:55,623 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 59 [2019-11-15 21:13:55,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:55,624 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2019-11-15 21:13:55,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 21:13:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2019-11-15 21:13:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-15 21:13:55,625 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:55,625 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, 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] [2019-11-15 21:13:55,625 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:55,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:55,626 INFO L82 PathProgramCache]: Analyzing trace with hash 656920830, now seen corresponding path program 1 times [2019-11-15 21:13:55,626 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:55,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949576873] [2019-11-15 21:13:55,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:55,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:55,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:55,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949576873] [2019-11-15 21:13:55,914 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501237256] [2019-11-15 21:13:55,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:13:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:56,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 21:13:56,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:13:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:56,149 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:13:56,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 15 [2019-11-15 21:13:56,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505432873] [2019-11-15 21:13:56,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:13:56,151 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:56,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:13:56,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:13:56,151 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 15 states. [2019-11-15 21:13:57,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:57,269 INFO L93 Difference]: Finished difference Result 155 states and 159 transitions. [2019-11-15 21:13:57,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:13:57,270 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 70 [2019-11-15 21:13:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:57,270 INFO L225 Difference]: With dead ends: 155 [2019-11-15 21:13:57,271 INFO L226 Difference]: Without dead ends: 153 [2019-11-15 21:13:57,271 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2019-11-15 21:13:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-15 21:13:57,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2019-11-15 21:13:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-15 21:13:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 141 transitions. [2019-11-15 21:13:57,276 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 141 transitions. Word has length 70 [2019-11-15 21:13:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:57,277 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 141 transitions. [2019-11-15 21:13:57,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:13:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2019-11-15 21:13:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-15 21:13:57,278 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:57,278 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, 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, 1, 1, 1, 1] [2019-11-15 21:13:57,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:13:57,483 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:57,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:57,483 INFO L82 PathProgramCache]: Analyzing trace with hash -820474339, now seen corresponding path program 2 times [2019-11-15 21:13:57,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:57,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625883039] [2019-11-15 21:13:57,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:57,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:57,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:57,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625883039] [2019-11-15 21:13:57,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395167747] [2019-11-15 21:13:57,805 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:13:58,005 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 21:13:58,006 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:13:58,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 21:13:58,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:13:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:13:58,125 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:13:58,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 20 [2019-11-15 21:13:58,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133782177] [2019-11-15 21:13:58,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:13:58,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:58,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:13:58,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:13:58,128 INFO L87 Difference]: Start difference. First operand 137 states and 141 transitions. Second operand 12 states. [2019-11-15 21:13:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:58,289 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-15 21:13:58,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:13:58,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2019-11-15 21:13:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:58,291 INFO L225 Difference]: With dead ends: 143 [2019-11-15 21:13:58,291 INFO L226 Difference]: Without dead ends: 137 [2019-11-15 21:13:58,292 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:13:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-15 21:13:58,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-15 21:13:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-15 21:13:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 140 transitions. [2019-11-15 21:13:58,299 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 140 transitions. Word has length 71 [2019-11-15 21:13:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:58,300 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 140 transitions. [2019-11-15 21:13:58,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:13:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 140 transitions. [2019-11-15 21:13:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-15 21:13:58,303 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:58,303 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:58,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:13:58,516 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:13:58,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:58,517 INFO L82 PathProgramCache]: Analyzing trace with hash 592331328, now seen corresponding path program 1 times [2019-11-15 21:13:58,517 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:58,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203549199] [2019-11-15 21:13:58,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:58,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:58,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:13:58,976 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203549199] [2019-11-15 21:13:58,976 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:58,976 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-11-15 21:13:58,976 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550714339] [2019-11-15 21:13:58,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 21:13:58,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:58,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 21:13:58,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:13:58,978 INFO L87 Difference]: Start difference. First operand 137 states and 140 transitions. Second operand 19 states. [2019-11-15 21:14:01,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:01,002 INFO L93 Difference]: Finished difference Result 147 states and 150 transitions. [2019-11-15 21:14:01,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 21:14:01,003 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 84 [2019-11-15 21:14:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:01,004 INFO L225 Difference]: With dead ends: 147 [2019-11-15 21:14:01,004 INFO L226 Difference]: Without dead ends: 147 [2019-11-15 21:14:01,004 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=1028, Unknown=0, NotChecked=0, Total=1190 [2019-11-15 21:14:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-15 21:14:01,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 135. [2019-11-15 21:14:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-15 21:14:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 138 transitions. [2019-11-15 21:14:01,008 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 138 transitions. Word has length 84 [2019-11-15 21:14:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:01,008 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 138 transitions. [2019-11-15 21:14:01,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 21:14:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 138 transitions. [2019-11-15 21:14:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-15 21:14:01,009 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:01,009 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:01,009 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:01,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:01,010 INFO L82 PathProgramCache]: Analyzing trace with hash 592331329, now seen corresponding path program 1 times [2019-11-15 21:14:01,010 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:01,010 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426224796] [2019-11-15 21:14:01,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:01,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:01,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:14:01,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426224796] [2019-11-15 21:14:01,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:14:01,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-11-15 21:14:01,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954488997] [2019-11-15 21:14:01,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-15 21:14:01,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:01,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-15 21:14:01,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=697, Unknown=0, NotChecked=0, Total=756 [2019-11-15 21:14:01,894 INFO L87 Difference]: Start difference. First operand 135 states and 138 transitions. Second operand 28 states. [2019-11-15 21:14:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:04,120 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-15 21:14:04,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-11-15 21:14:04,121 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 84 [2019-11-15 21:14:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:04,122 INFO L225 Difference]: With dead ends: 143 [2019-11-15 21:14:04,122 INFO L226 Difference]: Without dead ends: 143 [2019-11-15 21:14:04,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=243, Invalid=2619, Unknown=0, NotChecked=0, Total=2862 [2019-11-15 21:14:04,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-15 21:14:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2019-11-15 21:14:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 21:14:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2019-11-15 21:14:04,127 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 84 [2019-11-15 21:14:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:04,127 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2019-11-15 21:14:04,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-15 21:14:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2019-11-15 21:14:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-15 21:14:04,129 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:04,129 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:04,129 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:04,130 INFO L82 PathProgramCache]: Analyzing trace with hash -938916454, now seen corresponding path program 1 times [2019-11-15 21:14:04,130 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:04,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637595518] [2019-11-15 21:14:04,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:04,130 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:04,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:04,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637595518] [2019-11-15 21:14:04,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677537085] [2019-11-15 21:14:04,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:04,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 21:14:04,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:04,756 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:04,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 15 [2019-11-15 21:14:04,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941044799] [2019-11-15 21:14:04,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:14:04,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:04,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:14:04,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:14:04,758 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 15 states. [2019-11-15 21:14:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:05,506 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2019-11-15 21:14:05,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:14:05,507 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 82 [2019-11-15 21:14:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:05,507 INFO L225 Difference]: With dead ends: 146 [2019-11-15 21:14:05,507 INFO L226 Difference]: Without dead ends: 144 [2019-11-15 21:14:05,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:14:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-15 21:14:05,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 134. [2019-11-15 21:14:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-15 21:14:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 137 transitions. [2019-11-15 21:14:05,512 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 137 transitions. Word has length 82 [2019-11-15 21:14:05,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:05,512 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 137 transitions. [2019-11-15 21:14:05,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:14:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 137 transitions. [2019-11-15 21:14:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-15 21:14:05,513 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:05,513 INFO L380 BasicCegarLoop]: trace histogram [3, 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, 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] [2019-11-15 21:14:05,714 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:05,714 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:05,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:05,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1515959239, now seen corresponding path program 2 times [2019-11-15 21:14:05,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:05,715 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802108710] [2019-11-15 21:14:05,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:05,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:05,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:06,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802108710] [2019-11-15 21:14:06,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592881980] [2019-11-15 21:14:06,020 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:06,214 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 21:14:06,214 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:06,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 21:14:06,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 21:14:06,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:14:06,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 20 [2019-11-15 21:14:06,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428065503] [2019-11-15 21:14:06,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:14:06,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:06,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:14:06,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:14:06,315 INFO L87 Difference]: Start difference. First operand 134 states and 137 transitions. Second operand 10 states. [2019-11-15 21:14:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:06,409 INFO L93 Difference]: Finished difference Result 136 states and 138 transitions. [2019-11-15 21:14:06,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:14:06,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-11-15 21:14:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:06,411 INFO L225 Difference]: With dead ends: 136 [2019-11-15 21:14:06,411 INFO L226 Difference]: Without dead ends: 134 [2019-11-15 21:14:06,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2019-11-15 21:14:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-15 21:14:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-15 21:14:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-15 21:14:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2019-11-15 21:14:06,415 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 83 [2019-11-15 21:14:06,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:06,415 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2019-11-15 21:14:06,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:14:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2019-11-15 21:14:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 21:14:06,418 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:06,419 INFO L380 BasicCegarLoop]: trace histogram [3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:06,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:06,619 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:06,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:06,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1721203408, now seen corresponding path program 1 times [2019-11-15 21:14:06,620 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:06,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407554899] [2019-11-15 21:14:06,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:06,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:06,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 21:14:07,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407554899] [2019-11-15 21:14:07,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:14:07,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-11-15 21:14:07,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36368261] [2019-11-15 21:14:07,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 21:14:07,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:07,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 21:14:07,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:14:07,183 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand 23 states. [2019-11-15 21:14:08,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:08,893 INFO L93 Difference]: Finished difference Result 142 states and 144 transitions. [2019-11-15 21:14:08,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 21:14:08,894 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 99 [2019-11-15 21:14:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:08,895 INFO L225 Difference]: With dead ends: 142 [2019-11-15 21:14:08,895 INFO L226 Difference]: Without dead ends: 142 [2019-11-15 21:14:08,896 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=199, Invalid=1523, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 21:14:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-15 21:14:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 132. [2019-11-15 21:14:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-15 21:14:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 134 transitions. [2019-11-15 21:14:08,900 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 134 transitions. Word has length 99 [2019-11-15 21:14:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:08,900 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 134 transitions. [2019-11-15 21:14:08,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 21:14:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 134 transitions. [2019-11-15 21:14:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 21:14:08,902 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:08,902 INFO L380 BasicCegarLoop]: trace histogram [3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:08,902 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:08,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1721203409, now seen corresponding path program 1 times [2019-11-15 21:14:08,903 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:08,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652857630] [2019-11-15 21:14:08,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:08,904 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:08,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:09,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652857630] [2019-11-15 21:14:09,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118233234] [2019-11-15 21:14:09,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:09,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 21:14:09,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:09,325 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:09,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 11 [2019-11-15 21:14:09,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012060752] [2019-11-15 21:14:09,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:14:09,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:09,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:14:09,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:14:09,327 INFO L87 Difference]: Start difference. First operand 132 states and 134 transitions. Second operand 11 states. [2019-11-15 21:14:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:09,944 INFO L93 Difference]: Finished difference Result 143 states and 145 transitions. [2019-11-15 21:14:09,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:14:09,945 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2019-11-15 21:14:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:09,946 INFO L225 Difference]: With dead ends: 143 [2019-11-15 21:14:09,946 INFO L226 Difference]: Without dead ends: 141 [2019-11-15 21:14:09,946 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:14:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-15 21:14:09,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2019-11-15 21:14:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 21:14:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2019-11-15 21:14:09,950 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 99 [2019-11-15 21:14:09,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:09,950 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2019-11-15 21:14:09,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:14:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2019-11-15 21:14:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-15 21:14:09,952 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:09,952 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:10,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:10,157 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:10,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1807440366, now seen corresponding path program 2 times [2019-11-15 21:14:10,157 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:10,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242793482] [2019-11-15 21:14:10,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:10,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:10,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:10,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242793482] [2019-11-15 21:14:10,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588748049] [2019-11-15 21:14:10,381 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:10,592 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 21:14:10,592 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:10,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 83 conjunts are in the unsatisfiable core [2019-11-15 21:14:10,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 21:14:11,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:14:11,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [12] total 33 [2019-11-15 21:14:11,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397615558] [2019-11-15 21:14:11,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 21:14:11,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:11,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 21:14:11,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2019-11-15 21:14:11,527 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand 23 states. [2019-11-15 21:14:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:12,511 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2019-11-15 21:14:12,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 21:14:12,511 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 100 [2019-11-15 21:14:12,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:12,512 INFO L225 Difference]: With dead ends: 131 [2019-11-15 21:14:12,513 INFO L226 Difference]: Without dead ends: 131 [2019-11-15 21:14:12,513 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 98 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=1431, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 21:14:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-15 21:14:12,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-15 21:14:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-15 21:14:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2019-11-15 21:14:12,518 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 100 [2019-11-15 21:14:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:12,518 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2019-11-15 21:14:12,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 21:14:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2019-11-15 21:14:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-15 21:14:12,519 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:12,520 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:12,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:12,720 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:12,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:12,721 INFO L82 PathProgramCache]: Analyzing trace with hash 549262983, now seen corresponding path program 1 times [2019-11-15 21:14:12,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:12,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777590801] [2019-11-15 21:14:12,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:12,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:12,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 21:14:13,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777590801] [2019-11-15 21:14:13,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:14:13,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-11-15 21:14:13,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129658257] [2019-11-15 21:14:13,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 21:14:13,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:13,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 21:14:13,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:14:13,238 INFO L87 Difference]: Start difference. First operand 131 states and 133 transitions. Second operand 24 states. [2019-11-15 21:14:15,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:15,560 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2019-11-15 21:14:15,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-15 21:14:15,560 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 103 [2019-11-15 21:14:15,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:15,561 INFO L225 Difference]: With dead ends: 138 [2019-11-15 21:14:15,562 INFO L226 Difference]: Without dead ends: 138 [2019-11-15 21:14:15,563 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2019-11-15 21:14:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-15 21:14:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 130. [2019-11-15 21:14:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 21:14:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2019-11-15 21:14:15,567 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 103 [2019-11-15 21:14:15,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:15,567 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2019-11-15 21:14:15,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 21:14:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2019-11-15 21:14:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-15 21:14:15,568 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:15,568 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:15,568 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:15,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:15,569 INFO L82 PathProgramCache]: Analyzing trace with hash -731559307, now seen corresponding path program 1 times [2019-11-15 21:14:15,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:15,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889565996] [2019-11-15 21:14:15,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:15,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:15,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:15,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889565996] [2019-11-15 21:14:15,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300291270] [2019-11-15 21:14:15,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:16,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 21:14:16,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:16,108 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:16,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 12 [2019-11-15 21:14:16,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897094304] [2019-11-15 21:14:16,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:14:16,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:16,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:14:16,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:14:16,110 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand 12 states. [2019-11-15 21:14:16,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:16,955 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2019-11-15 21:14:16,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:14:16,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2019-11-15 21:14:16,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:16,956 INFO L225 Difference]: With dead ends: 141 [2019-11-15 21:14:16,956 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 21:14:16,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:14:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 21:14:16,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2019-11-15 21:14:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-15 21:14:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2019-11-15 21:14:16,959 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 106 [2019-11-15 21:14:16,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:16,959 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2019-11-15 21:14:16,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:14:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2019-11-15 21:14:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-15 21:14:16,960 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:16,960 INFO L380 BasicCegarLoop]: trace histogram [5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:17,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:17,161 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:17,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:17,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1932647404, now seen corresponding path program 2 times [2019-11-15 21:14:17,161 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:17,161 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774222996] [2019-11-15 21:14:17,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:17,161 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:17,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:17,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774222996] [2019-11-15 21:14:17,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932972787] [2019-11-15 21:14:17,384 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:17,589 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 21:14:17,589 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:17,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 170 conjunts are in the unsatisfiable core [2019-11-15 21:14:17,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:17,706 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 [2019-11-15 21:14:17,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:17,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:17,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:17,710 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-15 21:14:17,853 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:14:17,863 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:17,864 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 21:14:17,864 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:26 [2019-11-15 21:14:18,963 WARN L860 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_DerPreprocessor_1 Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_DerPreprocessor_1) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2019-11-15 21:14:18,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:14:18,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:14:18,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:14:18,973 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2019-11-15 21:14:18,973 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:18,978 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:18,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:18,979 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:9 [2019-11-15 21:14:19,605 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 21:14:19,607 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:19,608 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 29 treesize of output 27 [2019-11-15 21:14:19,608 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:19,630 INFO L567 ElimStorePlain]: treesize reduction 13, result has 50.0 percent of original size [2019-11-15 21:14:19,631 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:19,631 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:13 [2019-11-15 21:14:20,179 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 17 treesize of output 9 [2019-11-15 21:14:20,179 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:20,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:20,190 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:20,190 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2019-11-15 21:14:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-15 21:14:20,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:14:20,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [13] total 53 [2019-11-15 21:14:20,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201495130] [2019-11-15 21:14:20,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-15 21:14:20,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:20,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-15 21:14:20,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2519, Unknown=1, NotChecked=100, Total=2756 [2019-11-15 21:14:20,260 INFO L87 Difference]: Start difference. First operand 131 states and 133 transitions. Second operand 42 states. [2019-11-15 21:14:22,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:22,178 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2019-11-15 21:14:22,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-11-15 21:14:22,178 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 107 [2019-11-15 21:14:22,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:22,179 INFO L225 Difference]: With dead ends: 106 [2019-11-15 21:14:22,179 INFO L226 Difference]: Without dead ends: 106 [2019-11-15 21:14:22,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=222, Invalid=4751, Unknown=1, NotChecked=138, Total=5112 [2019-11-15 21:14:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-15 21:14:22,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-15 21:14:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:14:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2019-11-15 21:14:22,184 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 107 [2019-11-15 21:14:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:22,184 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2019-11-15 21:14:22,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-11-15 21:14:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2019-11-15 21:14:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-15 21:14:22,185 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:22,186 INFO L380 BasicCegarLoop]: trace histogram [5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:22,389 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:22,393 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:22,393 INFO L82 PathProgramCache]: Analyzing trace with hash 389058107, now seen corresponding path program 1 times [2019-11-15 21:14:22,394 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:22,394 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728384388] [2019-11-15 21:14:22,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:22,394 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:22,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:22,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728384388] [2019-11-15 21:14:22,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593854550] [2019-11-15 21:14:22,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:22,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 21:14:22,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:22,972 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:22,972 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 14 [2019-11-15 21:14:22,972 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200890863] [2019-11-15 21:14:22,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:14:22,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:22,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:14:22,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:14:22,974 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 14 states. [2019-11-15 21:14:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:23,513 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2019-11-15 21:14:23,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:14:23,513 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2019-11-15 21:14:23,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:23,514 INFO L225 Difference]: With dead ends: 109 [2019-11-15 21:14:23,514 INFO L226 Difference]: Without dead ends: 107 [2019-11-15 21:14:23,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2019-11-15 21:14:23,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-15 21:14:23,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-15 21:14:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 21:14:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2019-11-15 21:14:23,517 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2019-11-15 21:14:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:23,517 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2019-11-15 21:14:23,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:14:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2019-11-15 21:14:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-15 21:14:23,518 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:23,518 INFO L380 BasicCegarLoop]: trace histogram [6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:23,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:23,723 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:23,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:23,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1450801988, now seen corresponding path program 2 times [2019-11-15 21:14:23,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:23,724 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561498949] [2019-11-15 21:14:23,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:23,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:23,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:24,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561498949] [2019-11-15 21:14:24,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113935656] [2019-11-15 21:14:24,037 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:24,270 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 21:14:24,270 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:24,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 21:14:24,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:24,285 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:24,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 15 [2019-11-15 21:14:24,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368119546] [2019-11-15 21:14:24,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:14:24,286 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:24,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:14:24,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:14:24,286 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 15 states. [2019-11-15 21:14:25,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:25,071 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2019-11-15 21:14:25,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:14:25,072 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 106 [2019-11-15 21:14:25,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:25,073 INFO L225 Difference]: With dead ends: 110 [2019-11-15 21:14:25,073 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 21:14:25,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:14:25,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 21:14:25,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-15 21:14:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 21:14:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2019-11-15 21:14:25,076 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2019-11-15 21:14:25,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:25,076 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2019-11-15 21:14:25,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:14:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2019-11-15 21:14:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-15 21:14:25,081 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:25,081 INFO L380 BasicCegarLoop]: trace histogram [7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:25,286 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:25,286 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:25,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:25,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1643077211, now seen corresponding path program 3 times [2019-11-15 21:14:25,287 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:25,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556725199] [2019-11-15 21:14:25,287 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:25,288 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:25,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:25,613 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556725199] [2019-11-15 21:14:25,613 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012459109] [2019-11-15 21:14:25,613 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:26,994 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-15 21:14:26,994 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:26,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 21:14:26,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:27,010 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:27,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 16 [2019-11-15 21:14:27,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023620085] [2019-11-15 21:14:27,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 21:14:27,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:27,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 21:14:27,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:14:27,011 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 16 states. [2019-11-15 21:14:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:27,555 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2019-11-15 21:14:27,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:14:27,555 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 107 [2019-11-15 21:14:27,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:27,556 INFO L225 Difference]: With dead ends: 111 [2019-11-15 21:14:27,556 INFO L226 Difference]: Without dead ends: 109 [2019-11-15 21:14:27,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2019-11-15 21:14:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-15 21:14:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-15 21:14:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-15 21:14:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2019-11-15 21:14:27,559 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2019-11-15 21:14:27,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:27,560 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2019-11-15 21:14:27,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 21:14:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2019-11-15 21:14:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-15 21:14:27,561 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:27,561 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:27,761 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:27,762 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1230915428, now seen corresponding path program 4 times [2019-11-15 21:14:27,763 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:27,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020377158] [2019-11-15 21:14:27,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:27,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:27,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:28,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020377158] [2019-11-15 21:14:28,112 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192320038] [2019-11-15 21:14:28,112 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:28,361 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 21:14:28,361 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:28,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 21:14:28,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:28,379 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:28,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 17 [2019-11-15 21:14:28,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72007419] [2019-11-15 21:14:28,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 21:14:28,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:28,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 21:14:28,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:14:28,380 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 17 states. [2019-11-15 21:14:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:29,089 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2019-11-15 21:14:29,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 21:14:29,089 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 108 [2019-11-15 21:14:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:29,090 INFO L225 Difference]: With dead ends: 112 [2019-11-15 21:14:29,090 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 21:14:29,090 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2019-11-15 21:14:29,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 21:14:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-15 21:14:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 21:14:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2019-11-15 21:14:29,093 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2019-11-15 21:14:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:29,093 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2019-11-15 21:14:29,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 21:14:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2019-11-15 21:14:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-15 21:14:29,094 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:29,094 INFO L380 BasicCegarLoop]: trace histogram [9, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:29,297 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:29,297 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:29,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:29,297 INFO L82 PathProgramCache]: Analyzing trace with hash -130374021, now seen corresponding path program 5 times [2019-11-15 21:14:29,297 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:29,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035623123] [2019-11-15 21:14:29,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:29,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:29,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:29,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035623123] [2019-11-15 21:14:29,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461282762] [2019-11-15 21:14:29,693 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:30,053 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-11-15 21:14:30,053 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:30,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 21:14:30,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:30,072 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:30,072 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13] total 18 [2019-11-15 21:14:30,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593867430] [2019-11-15 21:14:30,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 21:14:30,073 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:30,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 21:14:30,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:14:30,073 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 18 states. [2019-11-15 21:14:30,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:30,846 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2019-11-15 21:14:30,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 21:14:30,846 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 109 [2019-11-15 21:14:30,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:30,846 INFO L225 Difference]: With dead ends: 113 [2019-11-15 21:14:30,847 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 21:14:30,847 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870 [2019-11-15 21:14:30,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 21:14:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 21:14:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 21:14:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2019-11-15 21:14:30,850 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2019-11-15 21:14:30,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:30,850 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2019-11-15 21:14:30,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 21:14:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2019-11-15 21:14:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-15 21:14:30,851 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:30,851 INFO L380 BasicCegarLoop]: trace histogram [10, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:31,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:31,055 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:31,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:31,055 INFO L82 PathProgramCache]: Analyzing trace with hash -373328772, now seen corresponding path program 6 times [2019-11-15 21:14:31,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:31,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198159614] [2019-11-15 21:14:31,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:31,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:31,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:31,499 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198159614] [2019-11-15 21:14:31,499 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562609648] [2019-11-15 21:14:31,499 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:34,749 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2019-11-15 21:14:34,749 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:34,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-15 21:14:34,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:34,782 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:34,782 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 19 [2019-11-15 21:14:34,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306439044] [2019-11-15 21:14:34,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 21:14:34,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:34,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 21:14:34,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:14:34,784 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 19 states. [2019-11-15 21:14:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:35,637 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2019-11-15 21:14:35,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:14:35,637 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 110 [2019-11-15 21:14:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:35,638 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:14:35,638 INFO L226 Difference]: Without dead ends: 112 [2019-11-15 21:14:35,638 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2019-11-15 21:14:35,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-15 21:14:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-15 21:14:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-15 21:14:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2019-11-15 21:14:35,640 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2019-11-15 21:14:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:35,641 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2019-11-15 21:14:35,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 21:14:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2019-11-15 21:14:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-15 21:14:35,641 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:35,642 INFO L380 BasicCegarLoop]: trace histogram [11, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:35,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:35,842 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:35,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:35,843 INFO L82 PathProgramCache]: Analyzing trace with hash 685008539, now seen corresponding path program 7 times [2019-11-15 21:14:35,843 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:35,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899637892] [2019-11-15 21:14:35,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:35,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:35,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:36,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899637892] [2019-11-15 21:14:36,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246962906] [2019-11-15 21:14:36,249 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:36,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 21:14:36,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:36,510 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:36,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 20 [2019-11-15 21:14:36,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777117982] [2019-11-15 21:14:36,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 21:14:36,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:36,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 21:14:36,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:14:36,512 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 20 states. [2019-11-15 21:14:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:37,450 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2019-11-15 21:14:37,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 21:14:37,450 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 111 [2019-11-15 21:14:37,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:37,451 INFO L225 Difference]: With dead ends: 115 [2019-11-15 21:14:37,451 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 21:14:37,451 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=804, Unknown=0, NotChecked=0, Total=1122 [2019-11-15 21:14:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 21:14:37,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-15 21:14:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 21:14:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2019-11-15 21:14:37,454 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2019-11-15 21:14:37,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:37,455 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2019-11-15 21:14:37,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 21:14:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2019-11-15 21:14:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-15 21:14:37,455 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:37,456 INFO L380 BasicCegarLoop]: trace histogram [12, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:37,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:37,659 INFO L410 AbstractCegarLoop]: === Iteration 35 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:37,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:37,660 INFO L82 PathProgramCache]: Analyzing trace with hash -866273188, now seen corresponding path program 8 times [2019-11-15 21:14:37,660 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:37,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753503732] [2019-11-15 21:14:37,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:37,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:37,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:38,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753503732] [2019-11-15 21:14:38,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915286274] [2019-11-15 21:14:38,085 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:38,384 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 21:14:38,384 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:38,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 21:14:38,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:38,402 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:38,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 21 [2019-11-15 21:14:38,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824294948] [2019-11-15 21:14:38,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 21:14:38,403 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:38,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 21:14:38,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-11-15 21:14:38,404 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 21 states. [2019-11-15 21:14:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:39,471 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2019-11-15 21:14:39,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:14:39,471 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 112 [2019-11-15 21:14:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:39,472 INFO L225 Difference]: With dead ends: 116 [2019-11-15 21:14:39,472 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 21:14:39,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 21:14:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 21:14:39,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-15 21:14:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 21:14:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2019-11-15 21:14:39,476 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2019-11-15 21:14:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:39,476 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2019-11-15 21:14:39,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 21:14:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2019-11-15 21:14:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-15 21:14:39,477 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:39,477 INFO L380 BasicCegarLoop]: trace histogram [13, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:39,681 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:39,682 INFO L410 AbstractCegarLoop]: === Iteration 36 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:39,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:39,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1711366469, now seen corresponding path program 9 times [2019-11-15 21:14:39,682 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:39,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559075201] [2019-11-15 21:14:39,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:39,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:39,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:40,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559075201] [2019-11-15 21:14:40,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965494277] [2019-11-15 21:14:40,158 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:45,711 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-11-15 21:14:45,711 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:45,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-15 21:14:45,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:46,066 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:46,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 41 [2019-11-15 21:14:46,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351724856] [2019-11-15 21:14:46,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-11-15 21:14:46,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:46,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-11-15 21:14:46,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1253, Unknown=0, NotChecked=0, Total=1640 [2019-11-15 21:14:46,069 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 41 states. [2019-11-15 21:14:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:47,647 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2019-11-15 21:14:47,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 21:14:47,648 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 113 [2019-11-15 21:14:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:47,648 INFO L225 Difference]: With dead ends: 117 [2019-11-15 21:14:47,648 INFO L226 Difference]: Without dead ends: 115 [2019-11-15 21:14:47,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=822, Invalid=2960, Unknown=0, NotChecked=0, Total=3782 [2019-11-15 21:14:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-15 21:14:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-15 21:14:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-15 21:14:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2019-11-15 21:14:47,652 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2019-11-15 21:14:47,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:47,652 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2019-11-15 21:14:47,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-11-15 21:14:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2019-11-15 21:14:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-15 21:14:47,652 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:47,653 INFO L380 BasicCegarLoop]: trace histogram [14, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:47,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:47,857 INFO L410 AbstractCegarLoop]: === Iteration 37 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:47,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2139454404, now seen corresponding path program 10 times [2019-11-15 21:14:47,858 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:47,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356036662] [2019-11-15 21:14:47,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:47,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:47,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:48,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356036662] [2019-11-15 21:14:48,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111895349] [2019-11-15 21:14:48,426 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:48,706 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 21:14:48,706 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:48,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-15 21:14:48,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:48,726 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:48,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18] total 23 [2019-11-15 21:14:48,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513379564] [2019-11-15 21:14:48,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 21:14:48,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:48,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 21:14:48,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:14:48,729 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 23 states. [2019-11-15 21:14:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:49,668 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2019-11-15 21:14:49,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 21:14:49,668 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 114 [2019-11-15 21:14:49,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:49,669 INFO L225 Difference]: With dead ends: 118 [2019-11-15 21:14:49,669 INFO L226 Difference]: Without dead ends: 116 [2019-11-15 21:14:49,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=456, Invalid=1104, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 21:14:49,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-15 21:14:49,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-15 21:14:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-15 21:14:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2019-11-15 21:14:49,672 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2019-11-15 21:14:49,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:49,672 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2019-11-15 21:14:49,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 21:14:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2019-11-15 21:14:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-15 21:14:49,673 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:49,673 INFO L380 BasicCegarLoop]: trace histogram [15, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:49,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:49,874 INFO L410 AbstractCegarLoop]: === Iteration 38 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:49,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:49,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1769688795, now seen corresponding path program 11 times [2019-11-15 21:14:49,875 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:49,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698801350] [2019-11-15 21:14:49,875 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:49,875 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:49,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:50,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698801350] [2019-11-15 21:14:50,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747903523] [2019-11-15 21:14:50,325 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:51,628 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-11-15 21:14:51,628 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 21:14:51,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 21:14:51,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:14:51,648 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:51,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19] total 24 [2019-11-15 21:14:51,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901524063] [2019-11-15 21:14:51,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 21:14:51,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:51,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 21:14:51,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:14:51,650 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 24 states. [2019-11-15 21:14:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:52,465 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2019-11-15 21:14:52,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 21:14:52,466 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 115 [2019-11-15 21:14:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:52,466 INFO L225 Difference]: With dead ends: 119 [2019-11-15 21:14:52,466 INFO L226 Difference]: Without dead ends: 117 [2019-11-15 21:14:52,467 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=508, Invalid=1214, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 21:14:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-15 21:14:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-15 21:14:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-15 21:14:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2019-11-15 21:14:52,471 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2019-11-15 21:14:52,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:52,471 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2019-11-15 21:14:52,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 21:14:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2019-11-15 21:14:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-15 21:14:52,472 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:52,472 INFO L380 BasicCegarLoop]: trace histogram [16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:52,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:52,673 INFO L410 AbstractCegarLoop]: === Iteration 39 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:14:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:52,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1600923620, now seen corresponding path program 12 times [2019-11-15 21:14:52,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:52,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777769310] [2019-11-15 21:14:52,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:52,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:52,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:14:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:14:52,949 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:14:52,950 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:14:52,992 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-11-15 21:14:53,000 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 21:14:53,006 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:14:53,007 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:14:53,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:14:53 BoogieIcfgContainer [2019-11-15 21:14:53,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:14:53,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:14:53,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:14:53,057 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:14:53,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:13:35" (3/4) ... [2019-11-15 21:14:53,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:14:53,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:14:53,064 INFO L168 Benchmark]: Toolchain (without parser) took 79604.50 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 785.9 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 705.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:53,064 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:14:53,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:53,065 INFO L168 Benchmark]: Boogie Preprocessor took 90.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:53,065 INFO L168 Benchmark]: RCFGBuilder took 1038.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.6 MB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:53,066 INFO L168 Benchmark]: TraceAbstraction took 77741.61 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 641.7 MB). Free memory was 995.2 MB in the beginning and 1.0 GB in the end (delta: -24.5 MB). Peak memory consumption was 617.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:53,066 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 1.8 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:14:53,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 722.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1038.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.6 MB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77741.61 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 641.7 MB). Free memory was 995.2 MB in the beginning and 1.0 GB in the end (delta: -24.5 MB). Peak memory consumption was 617.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.55 ms. Allocated memory is still 1.8 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 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 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible 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={-1:0}] [L771] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L765] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L766] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}] [L741] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L742] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-1:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=16] [L742] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L742] kobj = ldv_malloc(sizeof(*kobj)) [L743] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L745] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L746] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L731] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L734] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L724] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L726] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-1:0}] [L683] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}] [L726] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L727] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-1:0}, list={1:4}] [L541] list->next = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L542] list->prev = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L727] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L734] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L746] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L747] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L766] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}, ldv_kobject_create()={1:0}] [L766] kobj = ldv_kobject_create() [L767] CALL f_22_get(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L759] CALL ldv_kobject_get(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L718] COND TRUE \read(*kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L719] CALL ldv_kref_get(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-1:0}] [L687] CALL ldv_atomic_add_return(1, (&kref->refcount)) VAL [\old(i)=1, ldv_global_msg_list={-1:0}, v={1:12}] [L658] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}] [L659] EXPR v->counter VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}, v->counter=1] [L659] temp = v->counter [L660] temp += i VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L661] v->counter = temp VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L662] return temp; VAL [\old(i)=1, \result=2, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L687] RET ldv_atomic_add_return(1, (&kref->refcount)) VAL [kref={1:12}, kref={1:12}, ldv_atomic_add_return(1, (&kref->refcount))=2, ldv_global_msg_list={-1:0}] [L719] RET ldv_kref_get(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L720] return kobj; VAL [\result={1:0}, kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L759] RET ldv_kobject_get(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}, ldv_kobject_get(kobj)={1:0}] [L767] RET f_22_get(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L768] CALL ldv_kobject_put(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L712] COND TRUE \read(*kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L713] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) VAL [kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}] [L691] CALL, EXPR ldv_kref_sub(kref, 1, release) VAL [\old(count)=1, kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}] [L675] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) VAL [\old(i)=1, ldv_global_msg_list={-1:0}, v={1:12}] [L666] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}] [L667] EXPR v->counter VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}, v->counter=2] [L667] temp = v->counter [L668] temp -= i VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L669] v->counter = temp VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L670] return temp; VAL [\old(i)=1, \result=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L675] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) VAL [\old(count)=1, count=1, kref={1:12}, kref={1:12}, ldv_atomic_sub_return(((int) count), (&kref->refcount))=1, ldv_global_msg_list={-1:0}, release={-1:0}, release={-1:0}] [L675] COND FALSE !((ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0)) [L679] return 0; VAL [\old(count)=1, \result=0, count=1, kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}, release={-1:0}] [L691] RET, EXPR ldv_kref_sub(kref, 1, release) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}, ldv_kref_sub(kref, 1, release)=0, release={-1:0}, release={-1:0}] [L691] return ldv_kref_sub(kref, 1, release); [L713] RET ldv_kref_put(&kobj->kref, ldv_kobject_release) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}, ldv_kref_put(&kobj->kref, ldv_kobject_release)=0] [L768] RET ldv_kobject_put(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L771] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Result: UNSAFE, OverallTime: 77.6s, OverallIterations: 39, TraceHistogramMax: 16, AutomataDifference: 40.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3663 SDtfs, 5870 SDslu, 13299 SDs, 0 SdLazy, 40392 SolverSat, 2964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3619 GetRequests, 2578 SyntacticMatches, 5 SemanticMatches, 1036 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5355 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 38 MinimizatonAttempts, 283 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 12.2s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 4873 NumberOfCodeBlocks, 4859 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 4700 ConstructedInterpolants, 52 QuantifiedInterpolants, 1136121 SizeOfPredicates, 82 NumberOfNonLiveVariables, 9371 ConjunctsInSsa, 479 ConjunctsInUnsatCore, 57 InterpolantComputations, 23 PerfectInterpolantSequences, 63/1457 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:14:55,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:14:55,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:14:55,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:14:55,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:14:55,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:14:55,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:14:55,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:14:55,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:14:55,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:14:55,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:14:55,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:14:55,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:14:55,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:14:55,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:14:55,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:14:55,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:14:55,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:14:55,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:14:55,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:14:55,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:14:55,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:14:55,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:14:55,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:14:55,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:14:55,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:14:55,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:14:55,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:14:55,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:14:55,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:14:55,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:14:55,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:14:55,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:14:55,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:14:55,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:14:55,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:14:55,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:14:55,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:14:55,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:14:55,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:14:55,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:14:55,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 21:14:55,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:14:55,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:14:55,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:14:55,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:14:55,458 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:14:55,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:14:55,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:14:55,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:14:55,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:14:55,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:14:55,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:14:55,460 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:14:55,460 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:14:55,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:14:55,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:14:55,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:14:55,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:14:55,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:14:55,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:14:55,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:14:55,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:14:55,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:14:55,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:14:55,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:14:55,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:14:55,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:14:55,464 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:14:55,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:14:55,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:14:55,465 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 -> 8e9fad8e4cf3911fa9881577a543d060495d5513 [2019-11-15 21:14:55,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:14:55,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:14:55,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:14:55,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:14:55,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:14:55,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-15 21:14:55,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/ea76d23fa/ae169ff18a2b4739b20514231fedae7e/FLAG482f0027c [2019-11-15 21:14:56,032 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:14:56,033 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2019-11-15 21:14:56,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/ea76d23fa/ae169ff18a2b4739b20514231fedae7e/FLAG482f0027c [2019-11-15 21:14:56,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/data/ea76d23fa/ae169ff18a2b4739b20514231fedae7e [2019-11-15 21:14:56,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:14:56,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:14:56,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:14:56,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:14:56,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:14:56,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:14:56" (1/1) ... [2019-11-15 21:14:56,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bf0dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:56, skipping insertion in model container [2019-11-15 21:14:56,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:14:56" (1/1) ... [2019-11-15 21:14:56,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:14:56,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:14:56,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:14:56,954 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:14:57,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:14:57,141 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:14:57,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57 WrapperNode [2019-11-15 21:14:57,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:14:57,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:14:57,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:14:57,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:14:57,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... [2019-11-15 21:14:57,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:14:57,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:14:57,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:14:57,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:14:57,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/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 [2019-11-15 21:14:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:14:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:14:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:14:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:14:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:14:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:14:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:14:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:14:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:14:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:14:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:14:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:14:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:14:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:14:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:14:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:14:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:14:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:14:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:14:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:14:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:14:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:14:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:14:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:14:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:14:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:14:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:14:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:14:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:14:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:14:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_get [2019-11-15 21:14:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure f_22_put [2019-11-15 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:14:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:14:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:14:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:14:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:14:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:14:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:14:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:14:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:14:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:14:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:14:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:14:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:14:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:14:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:14:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:14:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:14:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:14:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:14:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:14:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:14:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:14:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:14:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:14:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:14:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:14:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:14:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:14:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:14:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:14:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:14:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:14:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:14:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:14:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:14:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:14:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:14:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:14:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:14:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:14:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:14:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:14:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:14:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:14:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:14:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:14:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:14:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:14:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:14:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:14:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:14:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:14:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:14:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:14:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:14:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:14:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:14:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:14:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:14:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:14:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:14:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:14:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:14:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:14:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:14:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:14:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:14:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:14:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:14:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:14:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:14:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:14:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:14:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:14:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:14:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:14:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:14:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:14:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:14:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:14:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:14:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:14:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:14:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:14:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:14:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:14:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:14:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:14:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:14:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:14:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:14:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:14:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:14:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:14:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:14:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:14:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_get [2019-11-15 21:14:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure f_22_put [2019-11-15 21:14:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:14:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:14:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:14:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:14:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:14:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:14:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 21:14:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 21:14:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:14:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:14:58,048 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:14:58,577 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:14:58,993 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:14:58,993 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:14:58,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:14:58 BoogieIcfgContainer [2019-11-15 21:14:58,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:14:58,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:14:58,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:14:58,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:14:59,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:14:56" (1/3) ... [2019-11-15 21:14:59,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f9da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:14:59, skipping insertion in model container [2019-11-15 21:14:59,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:14:57" (2/3) ... [2019-11-15 21:14:59,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f9da36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:14:59, skipping insertion in model container [2019-11-15 21:14:59,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:14:58" (3/3) ... [2019-11-15 21:14:59,006 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2019-11-15 21:14:59,015 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:14:59,025 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-15 21:14:59,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-15 21:14:59,058 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:14:59,058 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:14:59,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:14:59,059 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:14:59,059 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:14:59,059 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:14:59,059 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:14:59,060 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:14:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-11-15 21:14:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:14:59,092 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:59,093 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:59,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_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_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:14:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:59,101 INFO L82 PathProgramCache]: Analyzing trace with hash 413310698, now seen corresponding path program 1 times [2019-11-15 21:14:59,112 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:14:59,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2042006386] [2019-11-15 21:14:59,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27c2540c-4871-4766-8384-5d6ef1521d08/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:14:59,345 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:14:59,346 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:14:59,350 INFO L168 Benchmark]: Toolchain (without parser) took 3028.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 941.6 MB in the beginning and 961.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:59,352 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:14:59,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:59,353 INFO L168 Benchmark]: Boogie Preprocessor took 96.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:14:59,354 INFO L168 Benchmark]: RCFGBuilder took 1755.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:59,354 INFO L168 Benchmark]: TraceAbstraction took 352.44 ms. Allocated memory is still 1.2 GB. Free memory was 973.4 MB in the beginning and 961.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:14:59,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 819.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1755.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 352.44 ms. Allocated memory is still 1.2 GB. Free memory was 973.4 MB in the beginning and 961.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...