./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:06:11,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:06:11,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:06:11,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:06:11,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:06:11,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:06:11,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:06:11,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:06:11,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:06:11,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:06:11,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:06:11,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:06:11,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:06:11,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:06:11,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:06:11,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:06:11,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:06:11,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:06:11,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:06:11,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:06:11,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:06:11,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:06:11,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:06:11,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:06:11,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:06:11,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:06:11,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:06:11,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:06:11,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:06:11,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:06:11,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:06:11,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:06:11,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:06:11,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:06:11,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:06:11,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:06:11,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:06:11,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:06:11,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:06:11,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:06:11,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:06:11,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:06:11,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:06:11,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:06:11,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:06:11,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:06:11,492 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:06:11,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:06:11,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:06:11,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:06:11,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:06:11,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:06:11,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:06:11,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:06:11,494 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:06:11,494 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:06:11,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:06:11,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:06:11,495 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:06:11,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:06:11,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:06:11,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:06:11,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:06:11,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:06:11,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:06:11,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:06:11,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:06:11,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:06:11,499 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_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 902bca7b1502ca5dcb44bb7e7d9bc6d169c57d43 [2019-11-15 22:06:11,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:06:11,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:06:11,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:06:11,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:06:11,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:06:11,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-15 22:06:11,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/data/fe70695e8/2629210fa1fc406b890be16f8c22af23/FLAG373158714 [2019-11-15 22:06:12,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:06:12,293 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2019-11-15 22:06:12,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/data/fe70695e8/2629210fa1fc406b890be16f8c22af23/FLAG373158714 [2019-11-15 22:06:12,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/data/fe70695e8/2629210fa1fc406b890be16f8c22af23 [2019-11-15 22:06:12,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:06:12,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:06:12,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:12,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:06:12,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:06:12,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:12" (1/1) ... [2019-11-15 22:06:12,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ded419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:12, skipping insertion in model container [2019-11-15 22:06:12,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:06:12" (1/1) ... [2019-11-15 22:06:12,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:06:12,554 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:06:13,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:13,073 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:06:13,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:06:13,248 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:06:13,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13 WrapperNode [2019-11-15 22:06:13,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:06:13,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:06:13,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:06:13,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:06:13,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... [2019-11-15 22:06:13,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:06:13,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:06:13,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:06:13,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:06:13,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:06:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:06:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:06:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:06:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:06:13,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:06:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:06:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:06:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 22:06:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 22:06:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 22:06:13,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 22:06:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:06:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 22:06:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 22:06:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 22:06:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 22:06:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 22:06:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 22:06:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 22:06:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 22:06:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 22:06:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 22:06:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 22:06:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 22:06:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-11-15 22:06:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-15 22:06:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 22:06:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:06:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 22:06:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 22:06:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 22:06:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:06:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:06:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:06:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:06:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:06:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:06:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:06:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:06:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:06:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:06:13,446 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:06:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:06:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:06:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:06:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:06:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:06:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:06:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:06:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:06:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:06:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:06:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:06:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:06:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:06:13,454 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:06:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:06:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:06:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:06:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:06:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:06:13,456 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:06:13,457 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:06:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:06:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:06:13,458 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:06:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:06:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:06:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:06:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:06:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:06:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:06:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:06:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:06:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:06:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:06:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:06:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:06:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:06:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:06:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:06:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:06:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:06:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:06:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:06:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:06:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 22:06:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 22:06:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:06:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 22:06:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 22:06:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 22:06:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 22:06:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 22:06:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:06:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 22:06:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 22:06:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 22:06:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 22:06:14,219 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:06:14,456 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:06:14,862 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:06:14,862 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 22:06:14,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14 BoogieIcfgContainer [2019-11-15 22:06:14,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:06:14,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:06:14,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:06:14,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:06:14,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:06:12" (1/3) ... [2019-11-15 22:06:14,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1961285b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:14, skipping insertion in model container [2019-11-15 22:06:14,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:06:13" (2/3) ... [2019-11-15 22:06:14,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1961285b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:06:14, skipping insertion in model container [2019-11-15 22:06:14,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14" (3/3) ... [2019-11-15 22:06:14,877 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2019-11-15 22:06:14,888 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:06:14,909 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-11-15 22:06:14,923 INFO L249 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-11-15 22:06:14,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:06:14,947 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:06:14,948 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:06:14,948 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:06:14,948 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:06:14,948 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:06:14,948 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:06:14,949 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:06:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-11-15 22:06:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:06:14,989 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:14,990 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:14,993 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:14,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:14,998 INFO L82 PathProgramCache]: Analyzing trace with hash -436834885, now seen corresponding path program 1 times [2019-11-15 22:06:15,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:15,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571634509] [2019-11-15 22:06:15,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:15,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:15,378 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 22:06:15,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571634509] [2019-11-15 22:06:15,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:15,389 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:06:15,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843406118] [2019-11-15 22:06:15,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:06:15,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:15,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:06:15,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:06:15,415 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 7 states. [2019-11-15 22:06:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:16,396 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2019-11-15 22:06:16,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:06:16,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-11-15 22:06:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:16,413 INFO L225 Difference]: With dead ends: 159 [2019-11-15 22:06:16,414 INFO L226 Difference]: Without dead ends: 152 [2019-11-15 22:06:16,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:06:16,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-15 22:06:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 107. [2019-11-15 22:06:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 22:06:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2019-11-15 22:06:16,479 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 22 [2019-11-15 22:06:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:16,479 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2019-11-15 22:06:16,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:06:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2019-11-15 22:06:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:06:16,482 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:16,482 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:16,483 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:16,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:16,483 INFO L82 PathProgramCache]: Analyzing trace with hash -436834884, now seen corresponding path program 1 times [2019-11-15 22:06:16,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:16,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318734176] [2019-11-15 22:06:16,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:16,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:16,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:16,794 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 22:06:16,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318734176] [2019-11-15 22:06:16,794 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:16,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:06:16,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077905641] [2019-11-15 22:06:16,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:06:16,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:16,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:06:16,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:06:16,797 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand 10 states. [2019-11-15 22:06:17,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:17,810 INFO L93 Difference]: Finished difference Result 168 states and 205 transitions. [2019-11-15 22:06:17,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:06:17,810 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-11-15 22:06:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:17,813 INFO L225 Difference]: With dead ends: 168 [2019-11-15 22:06:17,814 INFO L226 Difference]: Without dead ends: 168 [2019-11-15 22:06:17,815 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:06:17,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-15 22:06:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 117. [2019-11-15 22:06:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-15 22:06:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2019-11-15 22:06:17,845 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 22 [2019-11-15 22:06:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:17,845 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2019-11-15 22:06:17,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:06:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2019-11-15 22:06:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:06:17,846 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:17,847 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:17,847 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash 450668796, now seen corresponding path program 1 times [2019-11-15 22:06:17,848 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:17,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785327247] [2019-11-15 22:06:17,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:17,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:17,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:17,991 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 22:06:17,992 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785327247] [2019-11-15 22:06:17,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:17,992 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:06:17,992 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516590577] [2019-11-15 22:06:17,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:06:17,993 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:17,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:06:17,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:06:17,994 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand 7 states. [2019-11-15 22:06:18,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:18,535 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2019-11-15 22:06:18,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:06:18,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-11-15 22:06:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:18,537 INFO L225 Difference]: With dead ends: 128 [2019-11-15 22:06:18,538 INFO L226 Difference]: Without dead ends: 126 [2019-11-15 22:06:18,538 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:06:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-15 22:06:18,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 104. [2019-11-15 22:06:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-15 22:06:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-11-15 22:06:18,551 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 22 [2019-11-15 22:06:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:18,552 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-11-15 22:06:18,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:06:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-11-15 22:06:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:06:18,553 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:18,553 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:18,554 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:18,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:18,555 INFO L82 PathProgramCache]: Analyzing trace with hash -656152713, now seen corresponding path program 1 times [2019-11-15 22:06:18,555 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:18,555 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651551318] [2019-11-15 22:06:18,555 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:18,555 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:18,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:18,739 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 22:06:18,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651551318] [2019-11-15 22:06:18,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:18,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:06:18,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132100145] [2019-11-15 22:06:18,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:06:18,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:18,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:06:18,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:06:18,742 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 8 states. [2019-11-15 22:06:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:19,119 INFO L93 Difference]: Finished difference Result 146 states and 168 transitions. [2019-11-15 22:06:19,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:06:19,121 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-15 22:06:19,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:19,123 INFO L225 Difference]: With dead ends: 146 [2019-11-15 22:06:19,123 INFO L226 Difference]: Without dead ends: 146 [2019-11-15 22:06:19,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:06:19,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-15 22:06:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 104. [2019-11-15 22:06:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-15 22:06:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2019-11-15 22:06:19,139 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 23 [2019-11-15 22:06:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:19,139 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2019-11-15 22:06:19,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:06:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2019-11-15 22:06:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 22:06:19,140 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:19,141 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:19,142 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash 3244887, now seen corresponding path program 1 times [2019-11-15 22:06:19,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:19,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667288212] [2019-11-15 22:06:19,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:19,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:19,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:19,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667288212] [2019-11-15 22:06:19,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118885007] [2019-11-15 22:06:19,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:19,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 22:06:19,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:19,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 22:06:19,674 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:19,691 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:19,692 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:06:19,692 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-11-15 22:06:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:19,818 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:19,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2019-11-15 22:06:19,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847225281] [2019-11-15 22:06:19,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:06:19,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:19,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:06:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:06:19,820 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand 14 states. [2019-11-15 22:06:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:20,857 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2019-11-15 22:06:20,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:06:20,858 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2019-11-15 22:06:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:20,859 INFO L225 Difference]: With dead ends: 143 [2019-11-15 22:06:20,859 INFO L226 Difference]: Without dead ends: 143 [2019-11-15 22:06:20,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:06:20,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-15 22:06:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 101. [2019-11-15 22:06:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-15 22:06:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 119 transitions. [2019-11-15 22:06:20,873 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 119 transitions. Word has length 25 [2019-11-15 22:06:20,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:20,873 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 119 transitions. [2019-11-15 22:06:20,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:06:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2019-11-15 22:06:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:06:20,875 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:20,876 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 22:06:21,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:21,080 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:21,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1845085759, now seen corresponding path program 1 times [2019-11-15 22:06:21,081 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:21,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584892747] [2019-11-15 22:06:21,081 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:21,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:21,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:21,278 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 22:06:21,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584892747] [2019-11-15 22:06:21,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:21,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 22:06:21,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092894437] [2019-11-15 22:06:21,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:06:21,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:21,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:06:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:06:21,280 INFO L87 Difference]: Start difference. First operand 101 states and 119 transitions. Second operand 11 states. [2019-11-15 22:06:22,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:22,118 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2019-11-15 22:06:22,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:06:22,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-11-15 22:06:22,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:22,120 INFO L225 Difference]: With dead ends: 156 [2019-11-15 22:06:22,120 INFO L226 Difference]: Without dead ends: 156 [2019-11-15 22:06:22,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:06:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-15 22:06:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 106. [2019-11-15 22:06:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 22:06:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2019-11-15 22:06:22,129 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 32 [2019-11-15 22:06:22,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:22,130 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2019-11-15 22:06:22,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:06:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2019-11-15 22:06:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:06:22,131 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:22,131 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 22:06:22,132 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:22,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:22,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1845085760, now seen corresponding path program 1 times [2019-11-15 22:06:22,132 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:22,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907844884] [2019-11-15 22:06:22,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:22,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:22,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:22,306 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 22:06:22,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907844884] [2019-11-15 22:06:22,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:22,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:06:22,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632782062] [2019-11-15 22:06:22,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:06:22,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:22,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:06:22,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:06:22,314 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 9 states. [2019-11-15 22:06:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:22,896 INFO L93 Difference]: Finished difference Result 151 states and 173 transitions. [2019-11-15 22:06:22,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:06:22,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-11-15 22:06:22,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:22,898 INFO L225 Difference]: With dead ends: 151 [2019-11-15 22:06:22,898 INFO L226 Difference]: Without dead ends: 151 [2019-11-15 22:06:22,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:06:22,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-15 22:06:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 107. [2019-11-15 22:06:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 22:06:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2019-11-15 22:06:22,916 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 32 [2019-11-15 22:06:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:22,917 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2019-11-15 22:06:22,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:06:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2019-11-15 22:06:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 22:06:22,922 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:22,922 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:22,923 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:22,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 597087771, now seen corresponding path program 1 times [2019-11-15 22:06:22,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:22,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359678029] [2019-11-15 22:06:22,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:22,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:22,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,155 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 22:06:23,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359678029] [2019-11-15 22:06:23,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:23,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 22:06:23,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569185989] [2019-11-15 22:06:23,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:06:23,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:23,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:06:23,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:06:23,157 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand 10 states. [2019-11-15 22:06:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:23,748 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions. [2019-11-15 22:06:23,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:06:23,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-15 22:06:23,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:23,750 INFO L225 Difference]: With dead ends: 176 [2019-11-15 22:06:23,750 INFO L226 Difference]: Without dead ends: 173 [2019-11-15 22:06:23,751 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:06:23,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-15 22:06:23,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 108. [2019-11-15 22:06:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 22:06:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2019-11-15 22:06:23,763 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 35 [2019-11-15 22:06:23,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:23,763 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2019-11-15 22:06:23,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:06:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2019-11-15 22:06:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 22:06:23,765 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:23,765 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:23,766 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:23,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:23,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1643614891, now seen corresponding path program 1 times [2019-11-15 22:06:23,766 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:23,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592902790] [2019-11-15 22:06:23,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:23,767 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:23,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:06:24,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592902790] [2019-11-15 22:06:24,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125336921] [2019-11-15 22:06:24,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:24,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 22:06:24,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:24,308 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:24,309 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-15 22:06:24,310 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:24,328 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-11-15 22:06:24,329 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 22:06:24,329 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-11-15 22:06:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:24,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:06:24,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2019-11-15 22:06:24,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234448582] [2019-11-15 22:06:24,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:06:24,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:06:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:06:24,341 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand 7 states. [2019-11-15 22:06:24,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:24,760 INFO L93 Difference]: Finished difference Result 177 states and 201 transitions. [2019-11-15 22:06:24,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:06:24,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-11-15 22:06:24,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:24,762 INFO L225 Difference]: With dead ends: 177 [2019-11-15 22:06:24,762 INFO L226 Difference]: Without dead ends: 175 [2019-11-15 22:06:24,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:06:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-15 22:06:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 119. [2019-11-15 22:06:24,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-15 22:06:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2019-11-15 22:06:24,770 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 35 [2019-11-15 22:06:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:24,771 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2019-11-15 22:06:24,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:06:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2019-11-15 22:06:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 22:06:24,772 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:24,772 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:24,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:24,973 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:24,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1643614890, now seen corresponding path program 1 times [2019-11-15 22:06:24,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:24,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824082513] [2019-11-15 22:06:24,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:24,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:24,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:06:25,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824082513] [2019-11-15 22:06:25,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375105843] [2019-11-15 22:06:25,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:25,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-15 22:06:25,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:25,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:06:25,927 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-15 22:06:25,928 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:25,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:25,955 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:25,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-15 22:06:25,957 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:25,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:25,975 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:06:25,975 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-11-15 22:06:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:26,028 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:26,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 21 [2019-11-15 22:06:26,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625882750] [2019-11-15 22:06:26,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 22:06:26,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:26,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 22:06:26,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-11-15 22:06:26,031 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 22 states. [2019-11-15 22:06:28,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:28,137 INFO L93 Difference]: Finished difference Result 270 states and 310 transitions. [2019-11-15 22:06:28,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 22:06:28,138 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2019-11-15 22:06:28,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:28,141 INFO L225 Difference]: With dead ends: 270 [2019-11-15 22:06:28,141 INFO L226 Difference]: Without dead ends: 270 [2019-11-15 22:06:28,142 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=184, Invalid=1298, Unknown=0, NotChecked=0, Total=1482 [2019-11-15 22:06:28,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-15 22:06:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 152. [2019-11-15 22:06:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-15 22:06:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2019-11-15 22:06:28,155 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 35 [2019-11-15 22:06:28,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:28,158 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2019-11-15 22:06:28,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 22:06:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2019-11-15 22:06:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 22:06:28,160 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:28,160 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:28,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:28,365 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:28,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:28,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1034010146, now seen corresponding path program 1 times [2019-11-15 22:06:28,366 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:28,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137771356] [2019-11-15 22:06:28,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:28,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:28,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:06:28,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137771356] [2019-11-15 22:06:28,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:06:28,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:06:28,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984218020] [2019-11-15 22:06:28,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:06:28,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:28,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:06:28,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:06:28,468 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand 7 states. [2019-11-15 22:06:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:28,790 INFO L93 Difference]: Finished difference Result 192 states and 240 transitions. [2019-11-15 22:06:28,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:06:28,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-15 22:06:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:28,792 INFO L225 Difference]: With dead ends: 192 [2019-11-15 22:06:28,793 INFO L226 Difference]: Without dead ends: 192 [2019-11-15 22:06:28,793 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:06:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-15 22:06:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 156. [2019-11-15 22:06:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-11-15 22:06:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 198 transitions. [2019-11-15 22:06:28,803 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 198 transitions. Word has length 37 [2019-11-15 22:06:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:28,803 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 198 transitions. [2019-11-15 22:06:28,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:06:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 198 transitions. [2019-11-15 22:06:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 22:06:28,805 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:28,805 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:28,806 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:28,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:28,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1518146815, now seen corresponding path program 1 times [2019-11-15 22:06:28,807 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:28,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368204434] [2019-11-15 22:06:28,807 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:28,807 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:28,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:06:29,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368204434] [2019-11-15 22:06:29,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051256226] [2019-11-15 22:06:29,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:06:29,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 22:06:29,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:06:29,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 16 [2019-11-15 22:06:29,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277378551] [2019-11-15 22:06:29,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:06:29,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:29,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:06:29,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:06:29,294 INFO L87 Difference]: Start difference. First operand 156 states and 198 transitions. Second operand 4 states. [2019-11-15 22:06:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:29,370 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2019-11-15 22:06:29,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:06:29,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-15 22:06:29,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:29,373 INFO L225 Difference]: With dead ends: 169 [2019-11-15 22:06:29,374 INFO L226 Difference]: Without dead ends: 169 [2019-11-15 22:06:29,374 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:06:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-15 22:06:29,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 158. [2019-11-15 22:06:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-15 22:06:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2019-11-15 22:06:29,388 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 37 [2019-11-15 22:06:29,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:29,390 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2019-11-15 22:06:29,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:06:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2019-11-15 22:06:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 22:06:29,393 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:29,394 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:29,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:29,598 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:29,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:29,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1785756694, now seen corresponding path program 1 times [2019-11-15 22:06:29,599 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:29,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067774463] [2019-11-15 22:06:29,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:29,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:29,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:06:29,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067774463] [2019-11-15 22:06:29,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081952177] [2019-11-15 22:06:29,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:30,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-15 22:06:30,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:06:30,239 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:30,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2019-11-15 22:06:30,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191342188] [2019-11-15 22:06:30,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 22:06:30,239 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 22:06:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:06:30,240 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand 17 states. [2019-11-15 22:06:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:31,562 INFO L93 Difference]: Finished difference Result 235 states and 279 transitions. [2019-11-15 22:06:31,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 22:06:31,563 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2019-11-15 22:06:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:31,565 INFO L225 Difference]: With dead ends: 235 [2019-11-15 22:06:31,565 INFO L226 Difference]: Without dead ends: 235 [2019-11-15 22:06:31,566 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:06:31,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-15 22:06:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 183. [2019-11-15 22:06:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-11-15 22:06:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 239 transitions. [2019-11-15 22:06:31,578 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 239 transitions. Word has length 44 [2019-11-15 22:06:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:31,579 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 239 transitions. [2019-11-15 22:06:31,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 22:06:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2019-11-15 22:06:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 22:06:31,583 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:31,583 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:31,788 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:31,789 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:31,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1219385572, now seen corresponding path program 1 times [2019-11-15 22:06:31,789 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:31,789 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094506407] [2019-11-15 22:06:31,789 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:31,790 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:31,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 22:06:31,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094506407] [2019-11-15 22:06:31,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760595306] [2019-11-15 22:06:31,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 22:06:32,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 22:06:32,213 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:32,214 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2019-11-15 22:06:32,214 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400749392] [2019-11-15 22:06:32,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:06:32,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:32,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:06:32,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:06:32,217 INFO L87 Difference]: Start difference. First operand 183 states and 239 transitions. Second operand 10 states. [2019-11-15 22:06:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:33,103 INFO L93 Difference]: Finished difference Result 216 states and 274 transitions. [2019-11-15 22:06:33,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:06:33,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-11-15 22:06:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:33,106 INFO L225 Difference]: With dead ends: 216 [2019-11-15 22:06:33,106 INFO L226 Difference]: Without dead ends: 216 [2019-11-15 22:06:33,107 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:06:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-15 22:06:33,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 157. [2019-11-15 22:06:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-15 22:06:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 204 transitions. [2019-11-15 22:06:33,118 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 204 transitions. Word has length 45 [2019-11-15 22:06:33,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:33,119 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 204 transitions. [2019-11-15 22:06:33,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:06:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 204 transitions. [2019-11-15 22:06:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 22:06:33,121 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:33,122 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:33,327 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:33,328 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:33,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:33,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1219385573, now seen corresponding path program 1 times [2019-11-15 22:06:33,328 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:33,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344304102] [2019-11-15 22:06:33,329 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:33,329 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:33,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:06:33,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344304102] [2019-11-15 22:06:33,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386323503] [2019-11-15 22:06:33,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:33,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-15 22:06:33,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 22:06:34,070 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:34,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2019-11-15 22:06:34,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847022882] [2019-11-15 22:06:34,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 22:06:34,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:34,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 22:06:34,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:06:34,072 INFO L87 Difference]: Start difference. First operand 157 states and 204 transitions. Second operand 20 states. [2019-11-15 22:06:35,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:35,589 INFO L93 Difference]: Finished difference Result 188 states and 237 transitions. [2019-11-15 22:06:35,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 22:06:35,589 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2019-11-15 22:06:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:35,591 INFO L225 Difference]: With dead ends: 188 [2019-11-15 22:06:35,591 INFO L226 Difference]: Without dead ends: 188 [2019-11-15 22:06:35,592 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2019-11-15 22:06:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-15 22:06:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 98. [2019-11-15 22:06:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-15 22:06:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2019-11-15 22:06:35,601 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 45 [2019-11-15 22:06:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:35,602 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2019-11-15 22:06:35,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 22:06:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2019-11-15 22:06:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 22:06:35,603 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:35,604 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:35,808 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:35,816 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:35,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1021317088, now seen corresponding path program 1 times [2019-11-15 22:06:35,817 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:35,817 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775617581] [2019-11-15 22:06:35,817 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:35,818 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:35,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 22:06:36,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775617581] [2019-11-15 22:06:36,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312578356] [2019-11-15 22:06:36,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:36,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 22:06:36,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 22:06:36,397 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:36,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2019-11-15 22:06:36,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010437349] [2019-11-15 22:06:36,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 22:06:36,398 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:36,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 22:06:36,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:06:36,399 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 20 states. [2019-11-15 22:06:37,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:37,266 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2019-11-15 22:06:37,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:06:37,267 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2019-11-15 22:06:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:37,268 INFO L225 Difference]: With dead ends: 168 [2019-11-15 22:06:37,268 INFO L226 Difference]: Without dead ends: 168 [2019-11-15 22:06:37,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:06:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-15 22:06:37,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 118. [2019-11-15 22:06:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-15 22:06:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2019-11-15 22:06:37,274 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 45 [2019-11-15 22:06:37,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:37,274 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2019-11-15 22:06:37,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 22:06:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2019-11-15 22:06:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 22:06:37,275 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:37,275 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:37,479 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:37,480 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:37,480 INFO L82 PathProgramCache]: Analyzing trace with hash 476117670, now seen corresponding path program 1 times [2019-11-15 22:06:37,480 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:37,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168239614] [2019-11-15 22:06:37,481 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:37,481 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:37,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 22:06:37,815 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168239614] [2019-11-15 22:06:37,815 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575675497] [2019-11-15 22:06:37,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:38,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 22:06:38,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:38,046 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 22:06:38,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:38,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:38,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:06:38,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-15 22:06:38,130 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 22:06:38,130 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:38,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:38,134 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 22:06:38,135 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 22:06:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 22:06:38,138 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:38,138 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 18 [2019-11-15 22:06:38,138 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90698192] [2019-11-15 22:06:38,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 22:06:38,139 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:38,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 22:06:38,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:06:38,140 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 19 states. [2019-11-15 22:06:39,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:39,679 INFO L93 Difference]: Finished difference Result 193 states and 217 transitions. [2019-11-15 22:06:39,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 22:06:39,679 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 45 [2019-11-15 22:06:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:39,681 INFO L225 Difference]: With dead ends: 193 [2019-11-15 22:06:39,681 INFO L226 Difference]: Without dead ends: 193 [2019-11-15 22:06:39,682 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=899, Unknown=0, NotChecked=0, Total=1056 [2019-11-15 22:06:39,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-11-15 22:06:39,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 139. [2019-11-15 22:06:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-15 22:06:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2019-11-15 22:06:39,689 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 45 [2019-11-15 22:06:39,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:39,689 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2019-11-15 22:06:39,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 22:06:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2019-11-15 22:06:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 22:06:39,690 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:39,691 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:39,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:39,896 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash -853752565, now seen corresponding path program 1 times [2019-11-15 22:06:39,897 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:39,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050333026] [2019-11-15 22:06:39,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:39,897 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:39,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-15 22:06:40,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050333026] [2019-11-15 22:06:40,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845725150] [2019-11-15 22:06:40,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/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 22:06:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:06:40,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-15 22:06:40,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:06:40,786 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 22:06:40,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:40,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:40,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:06:40,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-15 22:06:40,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 22:06:40,896 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:06:40,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:06:40,897 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 22:06:40,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 22:06:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:06:40,900 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:06:40,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 23 [2019-11-15 22:06:40,901 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823701136] [2019-11-15 22:06:40,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 22:06:40,901 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:06:40,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 22:06:40,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2019-11-15 22:06:40,902 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 24 states. [2019-11-15 22:06:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:06:42,924 INFO L93 Difference]: Finished difference Result 259 states and 302 transitions. [2019-11-15 22:06:42,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 22:06:42,925 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2019-11-15 22:06:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:06:42,927 INFO L225 Difference]: With dead ends: 259 [2019-11-15 22:06:42,927 INFO L226 Difference]: Without dead ends: 259 [2019-11-15 22:06:42,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=185, Invalid=1221, Unknown=0, NotChecked=0, Total=1406 [2019-11-15 22:06:42,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-11-15 22:06:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 151. [2019-11-15 22:06:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-15 22:06:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2019-11-15 22:06:42,936 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 185 transitions. Word has length 46 [2019-11-15 22:06:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:06:42,936 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 185 transitions. [2019-11-15 22:06:42,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 22:06:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2019-11-15 22:06:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 22:06:42,938 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:06:42,938 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:06:43,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:06:43,143 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 22:06:43,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:06:43,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1874746313, now seen corresponding path program 1 times [2019-11-15 22:06:43,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:06:43,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813938950] [2019-11-15 22:06:43,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:43,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:06:43,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:06:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:06:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:06:43,214 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:06:43,214 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:06:43,259 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:06:43,260 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:06:43,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:06:43 BoogieIcfgContainer [2019-11-15 22:06:43,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:06:43,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:06:43,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:06:43,289 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:06:43,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:06:14" (3/4) ... [2019-11-15 22:06:43,293 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 22:06:43,304 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:06:43,305 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:06:43,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_16a42ba3-277e-455a-b68f-cf6da01fd13c/bin/uautomizer/witness.graphml [2019-11-15 22:06:43,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:06:43,379 INFO L168 Benchmark]: Toolchain (without parser) took 30896.00 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 483.9 MB). Free memory was 944.8 MB in the beginning and 909.5 MB in the end (delta: 35.3 MB). Peak memory consumption was 519.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:43,380 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:43,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:43,381 INFO L168 Benchmark]: Boogie Preprocessor took 109.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:06:43,381 INFO L168 Benchmark]: RCFGBuilder took 1504.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:43,381 INFO L168 Benchmark]: TraceAbstraction took 28423.15 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 941.9 MB in the beginning and 914.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:43,382 INFO L168 Benchmark]: Witness Printer took 89.42 ms. Allocated memory is still 1.5 GB. Free memory was 914.2 MB in the beginning and 909.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:06:43,384 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 764.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1504.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 121.3 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28423.15 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 941.9 MB in the beginning and 914.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. * Witness Printer took 89.42 ms. Allocated memory is still 1.5 GB. Free memory was 914.2 MB in the beginning and 909.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 782]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L800] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L786] int i; VAL [ldv_global_msg_list={3:0}] [L787] CALL, EXPR ldv_positive() VAL [ldv_global_msg_list={3:0}] [L520] int r = __VERIFIER_nondet_int(); [L521] COND TRUE r>0 [L521] return r; VAL [\result=1, ldv_global_msg_list={3:0}, r=1] [L787] RET, EXPR ldv_positive() VAL [ldv_global_msg_list={3:0}, ldv_positive()=1] [L787] int len = ldv_positive(); [L789] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={3:0}, malloc(size)={5:0}, size=4] [L789] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A17*)*len)={5:0}, len=1] [L789] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L790] COND TRUE \read(**array) [L791] i=0 VAL [array={5:0}, i=0, ldv_global_msg_list={3:0}, len=1] [L791] COND TRUE i=0) VAL [\old(len)=1, array={5:0}, array={5:0}, i=0, j=-1, ldv_global_msg_list={3:0}, len=1, p={0:0}] [L777] return - -3; VAL [\old(len)=1, \result=3, array={5:0}, array={5:0}, i=0, j=-1, ldv_global_msg_list={3:0}, len=1, p={0:0}] [L794] RET alloc_17(array, len) VAL [alloc_17(array, len)=3, array={5:0}, i=1, ldv_global_msg_list={3:0}, len=1] [L795] CALL free_17(array, len) VAL [\old(len)=1, array={5:0}, ldv_global_msg_list={3:0}] [L780] int i; [L781] i=0 VAL [\old(len)=1, array={5:0}, array={5:0}, i=0, ldv_global_msg_list={3:0}, len=1] [L781] COND TRUE i