./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_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_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/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 72845188532fe6d4486465eb4d1c3f34d4b417b7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:47:11,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:47:11,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:47:11,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:47:11,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:47:11,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:47:11,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:47:11,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:47:11,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:47:11,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:47:11,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:47:11,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:47:11,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:47:11,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:47:11,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:47:11,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:47:11,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:47:11,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:47:11,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:47:11,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:47:11,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:47:11,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:47:11,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:47:11,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:47:11,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:47:11,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:47:11,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:47:11,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:47:11,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:47:11,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:47:11,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:47:11,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:47:11,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:47:11,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:47:11,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:47:11,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:47:11,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:47:11,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:47:11,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:47:11,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:47:11,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:47:11,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:47:11,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:47:11,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:47:11,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:47:11,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:47:11,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:47:11,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:47:11,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:47:11,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:47:11,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:47:11,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:47:11,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:47:11,332 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:47:11,332 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:47:11,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:47:11,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:47:11,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:47:11,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:47:11,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:47:11,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:47:11,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:47:11,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:47:11,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:47:11,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:47:11,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:47:11,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:47:11,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:47:11,336 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_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/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 -> 72845188532fe6d4486465eb4d1c3f34d4b417b7 [2019-11-15 22:47:11,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:47:11,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:47:11,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:47:11,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:47:11,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:47:11,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-11-15 22:47:11,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/data/b3428c8b3/7b512e0ab57140d5916dbe4e91122b44/FLAG8b0a60a6e [2019-11-15 22:47:11,977 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:47:11,978 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-11-15 22:47:11,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/data/b3428c8b3/7b512e0ab57140d5916dbe4e91122b44/FLAG8b0a60a6e [2019-11-15 22:47:12,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/data/b3428c8b3/7b512e0ab57140d5916dbe4e91122b44 [2019-11-15 22:47:12,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:47:12,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:47:12,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:47:12,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:47:12,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:47:12,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:47:12" (1/1) ... [2019-11-15 22:47:12,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8b1946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:12, skipping insertion in model container [2019-11-15 22:47:12,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:47:12" (1/1) ... [2019-11-15 22:47:12,359 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:47:12,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:47:12,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:47:13,009 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:47:13,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:47:13,218 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:47:13,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13 WrapperNode [2019-11-15 22:47:13,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:47:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:47:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:47:13,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:47:13,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... [2019-11-15 22:47:13,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:47:13,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:47:13,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:47:13,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:47:13,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/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 22:47:13,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:47:13,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:47:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:47:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:47:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:47:13,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:47:13,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:47:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:47:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 22:47:13,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 22:47:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 22:47:13,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 22:47:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:47:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 22:47:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 22:47:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 22:47:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 22:47:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 22:47:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 22:47:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 22:47:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 22:47:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 22:47:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 22:47:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 22:47:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 22:47:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 22:47:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 22:47:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 22:47:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 22:47:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 22:47:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-11-15 22:47:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-11-15 22:47:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure probe3_6 [2019-11-15 22:47:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-11-15 22:47:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 22:47:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:47:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 22:47:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 22:47:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 22:47:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:47:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:47:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:47:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:47:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:47:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:47:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:47:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:47:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:47:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:47:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:47:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:47:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:47:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:47:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:47:13,431 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:47:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:47:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:47:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:47:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:47:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:47:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:47:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:47:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:47:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:47:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:47:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:47:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:47:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:47:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:47:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:47:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:47:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:47:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:47:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:47:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:47:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:47:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:47:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:47:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:47:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:47:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:47:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:47:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:47:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:47:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:47:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:47:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:47:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:47:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:47:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:47:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:47:13,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:47:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 22:47:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 22:47:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 22:47:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 22:47:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:47:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 22:47:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-11-15 22:47:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure probe3_6 [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 22:47:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:47:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 22:47:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 22:47:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 22:47:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 22:47:14,033 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:47:14,281 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:47:14,632 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:47:14,633 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 22:47:14,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:14 BoogieIcfgContainer [2019-11-15 22:47:14,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:47:14,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:47:14,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:47:14,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:47:14,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:47:12" (1/3) ... [2019-11-15 22:47:14,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:47:14, skipping insertion in model container [2019-11-15 22:47:14,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:47:13" (2/3) ... [2019-11-15 22:47:14,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:47:14, skipping insertion in model container [2019-11-15 22:47:14,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:14" (3/3) ... [2019-11-15 22:47:14,642 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test6_2.i [2019-11-15 22:47:14,652 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:47:14,663 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 86 error locations. [2019-11-15 22:47:14,675 INFO L249 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2019-11-15 22:47:14,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:47:14,698 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:47:14,698 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:47:14,698 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:47:14,698 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:47:14,698 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:47:14,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:47:14,699 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:47:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-15 22:47:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 22:47:14,734 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:14,735 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] [2019-11-15 22:47:14,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:14,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash 210546593, now seen corresponding path program 1 times [2019-11-15 22:47:14,755 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:14,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653975406] [2019-11-15 22:47:14,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:14,756 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:14,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:15,220 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 22:47:15,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653975406] [2019-11-15 22:47:15,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:15,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:47:15,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977807538] [2019-11-15 22:47:15,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:47:15,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:15,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:47:15,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:47:15,253 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 8 states. [2019-11-15 22:47:15,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:15,972 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2019-11-15 22:47:15,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:47:15,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-15 22:47:15,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:15,997 INFO L225 Difference]: With dead ends: 108 [2019-11-15 22:47:15,998 INFO L226 Difference]: Without dead ends: 101 [2019-11-15 22:47:16,001 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:47:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-15 22:47:16,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 75. [2019-11-15 22:47:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-15 22:47:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-11-15 22:47:16,058 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 20 [2019-11-15 22:47:16,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:16,058 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-11-15 22:47:16,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:47:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-11-15 22:47:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 22:47:16,060 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:16,060 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] [2019-11-15 22:47:16,061 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:16,062 INFO L82 PathProgramCache]: Analyzing trace with hash 14033088, now seen corresponding path program 1 times [2019-11-15 22:47:16,062 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:16,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95216167] [2019-11-15 22:47:16,062 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:16,063 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:16,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,294 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 22:47:16,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95216167] [2019-11-15 22:47:16,306 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:16,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:47:16,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101114477] [2019-11-15 22:47:16,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:16,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:16,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:16,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:16,309 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 7 states. [2019-11-15 22:47:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:16,763 INFO L93 Difference]: Finished difference Result 108 states and 117 transitions. [2019-11-15 22:47:16,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:47:16,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-15 22:47:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:16,766 INFO L225 Difference]: With dead ends: 108 [2019-11-15 22:47:16,766 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 22:47:16,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:47:16,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 22:47:16,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2019-11-15 22:47:16,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-15 22:47:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-11-15 22:47:16,793 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 20 [2019-11-15 22:47:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:16,794 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2019-11-15 22:47:16,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2019-11-15 22:47:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 22:47:16,796 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:16,796 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] [2019-11-15 22:47:16,798 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:16,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:16,799 INFO L82 PathProgramCache]: Analyzing trace with hash 14033089, now seen corresponding path program 1 times [2019-11-15 22:47:16,799 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:16,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437678421] [2019-11-15 22:47:16,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:16,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:16,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,048 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 22:47:17,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437678421] [2019-11-15 22:47:17,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:17,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:47:17,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607639617] [2019-11-15 22:47:17,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:17,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:17,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:17,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:17,050 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 7 states. [2019-11-15 22:47:17,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:17,538 INFO L93 Difference]: Finished difference Result 126 states and 133 transitions. [2019-11-15 22:47:17,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:47:17,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-15 22:47:17,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:17,541 INFO L225 Difference]: With dead ends: 126 [2019-11-15 22:47:17,541 INFO L226 Difference]: Without dead ends: 125 [2019-11-15 22:47:17,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:47:17,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-15 22:47:17,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 106. [2019-11-15 22:47:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 22:47:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2019-11-15 22:47:17,568 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 20 [2019-11-15 22:47:17,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:17,570 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2019-11-15 22:47:17,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2019-11-15 22:47:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:47:17,572 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:17,572 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 22:47:17,572 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:17,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:17,573 INFO L82 PathProgramCache]: Analyzing trace with hash 259924534, now seen corresponding path program 1 times [2019-11-15 22:47:17,573 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:17,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828317984] [2019-11-15 22:47:17,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:17,574 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:17,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:17,674 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 22:47:17,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828317984] [2019-11-15 22:47:17,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:17,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:47:17,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360183267] [2019-11-15 22:47:17,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:17,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:17,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:17,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:17,676 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 7 states. [2019-11-15 22:47:18,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:18,048 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2019-11-15 22:47:18,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:47:18,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-11-15 22:47:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:18,050 INFO L225 Difference]: With dead ends: 111 [2019-11-15 22:47:18,050 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 22:47:18,051 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 22:47:18,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 22:47:18,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2019-11-15 22:47:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-15 22:47:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2019-11-15 22:47:18,060 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 22 [2019-11-15 22:47:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:18,061 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2019-11-15 22:47:18,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2019-11-15 22:47:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:47:18,063 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:18,063 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 22:47:18,064 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:18,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:18,064 INFO L82 PathProgramCache]: Analyzing trace with hash 600905951, now seen corresponding path program 1 times [2019-11-15 22:47:18,065 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:18,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052971316] [2019-11-15 22:47:18,065 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:18,065 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:18,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,256 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 22:47:18,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052971316] [2019-11-15 22:47:18,257 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:18,257 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:47:18,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024956783] [2019-11-15 22:47:18,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:18,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:18,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:18,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:18,265 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand 9 states. [2019-11-15 22:47:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:18,864 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions. [2019-11-15 22:47:18,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:47:18,865 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-15 22:47:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:18,867 INFO L225 Difference]: With dead ends: 120 [2019-11-15 22:47:18,867 INFO L226 Difference]: Without dead ends: 120 [2019-11-15 22:47:18,867 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:47:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-15 22:47:18,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 107. [2019-11-15 22:47:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 22:47:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2019-11-15 22:47:18,877 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 22 [2019-11-15 22:47:18,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:18,878 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2019-11-15 22:47:18,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2019-11-15 22:47:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:47:18,879 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:18,879 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 22:47:18,880 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:18,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:18,881 INFO L82 PathProgramCache]: Analyzing trace with hash 600905952, now seen corresponding path program 1 times [2019-11-15 22:47:18,881 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:18,881 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117055627] [2019-11-15 22:47:18,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:18,882 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:18,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,030 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 22:47:19,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117055627] [2019-11-15 22:47:19,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:19,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:47:19,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662516577] [2019-11-15 22:47:19,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:19,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:19,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:19,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:19,032 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand 9 states. [2019-11-15 22:47:19,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:19,469 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2019-11-15 22:47:19,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:47:19,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-15 22:47:19,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:19,471 INFO L225 Difference]: With dead ends: 110 [2019-11-15 22:47:19,471 INFO L226 Difference]: Without dead ends: 106 [2019-11-15 22:47:19,471 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:47:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-15 22:47:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 100. [2019-11-15 22:47:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 22:47:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions. [2019-11-15 22:47:19,479 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 22 [2019-11-15 22:47:19,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:19,479 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 118 transitions. [2019-11-15 22:47:19,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2019-11-15 22:47:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:47:19,480 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:19,481 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 22:47:19,481 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:19,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:19,482 INFO L82 PathProgramCache]: Analyzing trace with hash -532273772, now seen corresponding path program 1 times [2019-11-15 22:47:19,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:19,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039263180] [2019-11-15 22:47:19,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:19,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:19,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:19,595 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 22:47:19,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039263180] [2019-11-15 22:47:19,596 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:19,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:47:19,596 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052372868] [2019-11-15 22:47:19,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:19,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:19,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:19,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:19,597 INFO L87 Difference]: Start difference. First operand 100 states and 118 transitions. Second operand 7 states. [2019-11-15 22:47:19,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:19,981 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2019-11-15 22:47:19,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:47:19,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-15 22:47:19,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:19,984 INFO L225 Difference]: With dead ends: 104 [2019-11-15 22:47:19,984 INFO L226 Difference]: Without dead ends: 104 [2019-11-15 22:47:19,984 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:47:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-15 22:47:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2019-11-15 22:47:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 22:47:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2019-11-15 22:47:19,992 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 23 [2019-11-15 22:47:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:19,992 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2019-11-15 22:47:19,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2019-11-15 22:47:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 22:47:19,994 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:19,994 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 22:47:19,995 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:19,996 INFO L82 PathProgramCache]: Analyzing trace with hash -825676779, now seen corresponding path program 1 times [2019-11-15 22:47:19,996 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:19,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813638129] [2019-11-15 22:47:19,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:19,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:19,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,145 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 22:47:20,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813638129] [2019-11-15 22:47:20,145 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:20,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:47:20,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277243220] [2019-11-15 22:47:20,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:20,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:20,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:20,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:20,147 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 7 states. [2019-11-15 22:47:20,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:20,480 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-11-15 22:47:20,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:47:20,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-15 22:47:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:20,482 INFO L225 Difference]: With dead ends: 66 [2019-11-15 22:47:20,482 INFO L226 Difference]: Without dead ends: 62 [2019-11-15 22:47:20,483 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 22:47:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-15 22:47:20,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-15 22:47:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-15 22:47:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2019-11-15 22:47:20,488 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 23 [2019-11-15 22:47:20,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:20,489 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2019-11-15 22:47:20,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-11-15 22:47:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 22:47:20,491 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:20,491 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] [2019-11-15 22:47:20,492 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:20,493 INFO L82 PathProgramCache]: Analyzing trace with hash 679382520, now seen corresponding path program 1 times [2019-11-15 22:47:20,493 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:20,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236791143] [2019-11-15 22:47:20,494 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:20,494 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:20,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:20,660 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 22:47:20,661 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236791143] [2019-11-15 22:47:20,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:20,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:47:20,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350163121] [2019-11-15 22:47:20,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:47:20,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:20,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:47:20,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:20,663 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 7 states. [2019-11-15 22:47:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:20,903 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-11-15 22:47:20,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:47:20,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-11-15 22:47:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:20,905 INFO L225 Difference]: With dead ends: 60 [2019-11-15 22:47:20,905 INFO L226 Difference]: Without dead ends: 60 [2019-11-15 22:47:20,905 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:47:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-15 22:47:20,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-15 22:47:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-15 22:47:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-11-15 22:47:20,908 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 24 [2019-11-15 22:47:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:20,909 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-11-15 22:47:20,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:47:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-11-15 22:47:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 22:47:20,910 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:20,910 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] [2019-11-15 22:47:20,911 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:20,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:20,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1902910215, now seen corresponding path program 1 times [2019-11-15 22:47:20,911 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:20,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525040185] [2019-11-15 22:47:20,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:20,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:20,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,093 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 22:47:21,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525040185] [2019-11-15 22:47:21,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:21,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:47:21,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358129527] [2019-11-15 22:47:21,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:21,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:21,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:21,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:21,095 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2019-11-15 22:47:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:21,454 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2019-11-15 22:47:21,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:47:21,455 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-11-15 22:47:21,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:21,456 INFO L225 Difference]: With dead ends: 59 [2019-11-15 22:47:21,456 INFO L226 Difference]: Without dead ends: 59 [2019-11-15 22:47:21,457 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:47:21,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-15 22:47:21,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-15 22:47:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 22:47:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-11-15 22:47:21,460 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 28 [2019-11-15 22:47:21,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:21,460 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-11-15 22:47:21,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-11-15 22:47:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 22:47:21,461 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:21,462 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] [2019-11-15 22:47:21,462 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:21,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:21,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1902910216, now seen corresponding path program 1 times [2019-11-15 22:47:21,464 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:21,464 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643433538] [2019-11-15 22:47:21,464 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:21,464 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:21,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:21,648 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 22:47:21,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643433538] [2019-11-15 22:47:21,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:21,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:47:21,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086252514] [2019-11-15 22:47:21,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:21,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:21,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:21,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:21,650 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 9 states. [2019-11-15 22:47:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:22,148 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-11-15 22:47:22,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:47:22,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-11-15 22:47:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:22,150 INFO L225 Difference]: With dead ends: 57 [2019-11-15 22:47:22,150 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 22:47:22,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:47:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 22:47:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 22:47:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:47:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-11-15 22:47:22,153 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 28 [2019-11-15 22:47:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:22,154 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-11-15 22:47:22,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-11-15 22:47:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 22:47:22,155 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:22,155 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:22,156 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:22,156 INFO L82 PathProgramCache]: Analyzing trace with hash -931337737, now seen corresponding path program 1 times [2019-11-15 22:47:22,157 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:22,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83988948] [2019-11-15 22:47:22,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:22,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:22,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:22,570 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 22:47:22,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83988948] [2019-11-15 22:47:22,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:22,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:47:22,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487278695] [2019-11-15 22:47:22,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:47:22,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:22,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:47:22,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:47:22,573 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 12 states. [2019-11-15 22:47:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:23,173 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2019-11-15 22:47:23,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:47:23,173 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-11-15 22:47:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:23,174 INFO L225 Difference]: With dead ends: 62 [2019-11-15 22:47:23,174 INFO L226 Difference]: Without dead ends: 62 [2019-11-15 22:47:23,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:47:23,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-15 22:47:23,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2019-11-15 22:47:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-15 22:47:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-11-15 22:47:23,178 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 29 [2019-11-15 22:47:23,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:23,179 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-11-15 22:47:23,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:47:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-11-15 22:47:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:47:23,180 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:23,180 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] [2019-11-15 22:47:23,181 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:23,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1662357418, now seen corresponding path program 1 times [2019-11-15 22:47:23,181 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:23,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385185830] [2019-11-15 22:47:23,182 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:23,182 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:23,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,328 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 22:47:23,328 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385185830] [2019-11-15 22:47:23,328 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:23,328 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 22:47:23,328 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671105606] [2019-11-15 22:47:23,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:23,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:23,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:23,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:23,330 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 9 states. [2019-11-15 22:47:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:23,563 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2019-11-15 22:47:23,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:47:23,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2019-11-15 22:47:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:23,564 INFO L225 Difference]: With dead ends: 64 [2019-11-15 22:47:23,564 INFO L226 Difference]: Without dead ends: 64 [2019-11-15 22:47:23,565 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:47:23,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-15 22:47:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-11-15 22:47:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-15 22:47:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2019-11-15 22:47:23,568 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2019-11-15 22:47:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:23,568 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2019-11-15 22:47:23,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-11-15 22:47:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:47:23,570 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:23,570 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 22:47:23,571 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash 6564470, now seen corresponding path program 1 times [2019-11-15 22:47:23,571 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:23,571 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010486105] [2019-11-15 22:47:23,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:23,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:23,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:23,763 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 22:47:23,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010486105] [2019-11-15 22:47:23,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:23,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:47:23,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795345177] [2019-11-15 22:47:23,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 22:47:23,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:23,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 22:47:23,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:47:23,769 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 9 states. [2019-11-15 22:47:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:24,125 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-11-15 22:47:24,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:47:24,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-11-15 22:47:24,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:24,127 INFO L225 Difference]: With dead ends: 65 [2019-11-15 22:47:24,127 INFO L226 Difference]: Without dead ends: 54 [2019-11-15 22:47:24,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:47:24,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-15 22:47:24,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-15 22:47:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-15 22:47:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 53 transitions. [2019-11-15 22:47:24,130 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 53 transitions. Word has length 32 [2019-11-15 22:47:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:24,131 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 53 transitions. [2019-11-15 22:47:24,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 22:47:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2019-11-15 22:47:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:47:24,132 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:24,132 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:24,133 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:24,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:24,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1056659313, now seen corresponding path program 1 times [2019-11-15 22:47:24,133 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:24,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574139369] [2019-11-15 22:47:24,133 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:24,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:24,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:24,555 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 22:47:24,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574139369] [2019-11-15 22:47:24,556 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:24,556 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 22:47:24,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862976057] [2019-11-15 22:47:24,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 22:47:24,557 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:24,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 22:47:24,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:47:24,559 INFO L87 Difference]: Start difference. First operand 54 states and 53 transitions. Second operand 15 states. [2019-11-15 22:47:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:25,512 INFO L93 Difference]: Finished difference Result 53 states and 52 transitions. [2019-11-15 22:47:25,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:47:25,513 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2019-11-15 22:47:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:25,513 INFO L225 Difference]: With dead ends: 53 [2019-11-15 22:47:25,514 INFO L226 Difference]: Without dead ends: 53 [2019-11-15 22:47:25,514 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:47:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-15 22:47:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-15 22:47:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-15 22:47:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 52 transitions. [2019-11-15 22:47:25,517 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 52 transitions. Word has length 38 [2019-11-15 22:47:25,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:25,518 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 52 transitions. [2019-11-15 22:47:25,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 22:47:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 52 transitions. [2019-11-15 22:47:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:47:25,519 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:25,519 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:25,520 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:25,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:25,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1056659312, now seen corresponding path program 1 times [2019-11-15 22:47:25,520 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:25,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610364466] [2019-11-15 22:47:25,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:25,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:25,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:25,728 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 22:47:25,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610364466] [2019-11-15 22:47:25,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:25,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 22:47:25,732 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663543330] [2019-11-15 22:47:25,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:47:25,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:25,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:47:25,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:47:25,733 INFO L87 Difference]: Start difference. First operand 53 states and 52 transitions. Second operand 11 states. [2019-11-15 22:47:26,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:26,265 INFO L93 Difference]: Finished difference Result 52 states and 51 transitions. [2019-11-15 22:47:26,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 22:47:26,266 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2019-11-15 22:47:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:26,267 INFO L225 Difference]: With dead ends: 52 [2019-11-15 22:47:26,267 INFO L226 Difference]: Without dead ends: 52 [2019-11-15 22:47:26,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2019-11-15 22:47:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-15 22:47:26,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-15 22:47:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-15 22:47:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 51 transitions. [2019-11-15 22:47:26,270 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 51 transitions. Word has length 38 [2019-11-15 22:47:26,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:26,270 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 51 transitions. [2019-11-15 22:47:26,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:47:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2019-11-15 22:47:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-15 22:47:26,271 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:26,271 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:26,272 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:26,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:26,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1603300049, now seen corresponding path program 1 times [2019-11-15 22:47:26,273 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:26,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375495021] [2019-11-15 22:47:26,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:26,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:26,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:26,533 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 22:47:26,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375495021] [2019-11-15 22:47:26,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:26,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:47:26,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431257437] [2019-11-15 22:47:26,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:47:26,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:26,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:47:26,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:47:26,537 INFO L87 Difference]: Start difference. First operand 52 states and 51 transitions. Second operand 14 states. [2019-11-15 22:47:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:27,178 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2019-11-15 22:47:27,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 22:47:27,179 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2019-11-15 22:47:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:27,179 INFO L225 Difference]: With dead ends: 51 [2019-11-15 22:47:27,180 INFO L226 Difference]: Without dead ends: 51 [2019-11-15 22:47:27,180 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2019-11-15 22:47:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-15 22:47:27,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-15 22:47:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-15 22:47:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2019-11-15 22:47:27,183 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 39 [2019-11-15 22:47:27,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:27,183 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2019-11-15 22:47:27,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:47:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2019-11-15 22:47:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 22:47:27,184 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:27,184 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:27,185 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:27,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:27,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1837305585, now seen corresponding path program 1 times [2019-11-15 22:47:27,185 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:27,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45378263] [2019-11-15 22:47:27,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:27,186 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:27,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:47:27,466 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 22:47:27,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45378263] [2019-11-15 22:47:27,467 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:47:27,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:47:27,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984010169] [2019-11-15 22:47:27,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:47:27,468 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:47:27,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:47:27,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:47:27,468 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 14 states. [2019-11-15 22:47:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:47:28,108 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2019-11-15 22:47:28,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 22:47:28,108 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 40 [2019-11-15 22:47:28,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:47:28,109 INFO L225 Difference]: With dead ends: 50 [2019-11-15 22:47:28,109 INFO L226 Difference]: Without dead ends: 50 [2019-11-15 22:47:28,109 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2019-11-15 22:47:28,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-15 22:47:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-15 22:47:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-15 22:47:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2019-11-15 22:47:28,111 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 40 [2019-11-15 22:47:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:47:28,112 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2019-11-15 22:47:28,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:47:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2019-11-15 22:47:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-15 22:47:28,113 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:47:28,113 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:47:28,113 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_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_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err0REQUIRES_VIOLATION, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:47:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:47:28,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1121897837, now seen corresponding path program 1 times [2019-11-15 22:47:28,114 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:47:28,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142673027] [2019-11-15 22:47:28,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:28,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:47:28,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:47:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:47:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:47:28,190 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:47:28,190 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:47:28,217 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:47:28,218 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-11-15 22:47:28,218 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:47:28,218 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-11-15 22:47:28,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:47:28 BoogieIcfgContainer [2019-11-15 22:47:28,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:47:28,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:47:28,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:47:28,236 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:47:28,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:47:14" (3/4) ... [2019-11-15 22:47:28,239 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 22:47:28,248 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-11-15 22:47:28,249 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:47:28,249 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-11-15 22:47:28,249 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:47:28,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca86ce8f-1f59-4e2b-aa4d-320a7a72289e/bin/uautomizer/witness.graphml [2019-11-15 22:47:28,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:47:28,316 INFO L168 Benchmark]: Toolchain (without parser) took 15975.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 939.3 MB in the beginning and 854.9 MB in the end (delta: 84.4 MB). Peak memory consumption was 393.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,317 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,319 INFO L168 Benchmark]: Boogie Preprocessor took 106.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:47:28,319 INFO L168 Benchmark]: RCFGBuilder took 1307.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 113.6 MB). Peak memory consumption was 113.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,320 INFO L168 Benchmark]: TraceAbstraction took 13599.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 975.7 MB in the beginning and 858.1 MB in the end (delta: 117.6 MB). Peak memory consumption was 291.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,324 INFO L168 Benchmark]: Witness Printer took 78.25 ms. Allocated memory is still 1.3 GB. Free memory was 858.1 MB in the beginning and 854.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:47:28,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 877.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1307.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 113.6 MB). Peak memory consumption was 113.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13599.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 975.7 MB in the beginning and 858.1 MB in the end (delta: 117.6 MB). Peak memory consumption was 291.1 MB. Max. memory is 11.5 GB. * Witness Printer took 78.25 ms. Allocated memory is still 1.3 GB. Free memory was 858.1 MB in the beginning and 854.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 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 20 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 16 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: 783]: 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) }; [L785] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={12:0}, ldv_global_msg_list={11:0}] [L794] CALL entry_point() VAL [a6={12:0}, ldv_global_msg_list={11:0}] [L787] CALL, EXPR probe3_6(&a6) VAL [a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}] [L765] int ret = - -3; VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, ret=3] [L766] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={12:0}, ldv_global_msg_list={11:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={14:0}, a6={12:0}, ldv_global_msg_list={11:0}, malloc(size)={14:0}, size=4] [L766] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, ldv_malloc(sizeof(int))={14:0}, ret=3] [L766] int *p = (int *)ldv_malloc(sizeof(int)); [L767] COND FALSE !(p==0) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=3] [L769] CALL, EXPR f6() VAL [a6={12:0}, ldv_global_msg_list={11:0}] [L759] return __VERIFIER_nondet_int(); [L769] RET, EXPR f6() VAL [a={12:0}, a={12:0}, a6={12:0}, f6()=0, ldv_global_msg_list={11:0}, p={14:0}, ret=3] [L769] ret = f6() [L770] COND FALSE !(ret<0) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L772] CALL, EXPR g6() VAL [a6={12:0}, ldv_global_msg_list={11:0}] [L762] return __VERIFIER_nondet_int(); [L772] RET, EXPR g6() VAL [a={12:0}, a={12:0}, a6={12:0}, g6()=0, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L772] ret = g6() [L773] COND FALSE !(ret<0) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L775] a->p = p VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L776] free(p) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L776] free(p) VAL [a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L776] free(p) [L777] return 0; VAL [\result=0, a={12:0}, a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}, p={14:0}, ret=0] [L787] RET, EXPR probe3_6(&a6) VAL [a6={12:0}, ldv_global_msg_list={11:0}, probe3_6(&a6)=0] [L787] int ret = probe3_6(&a6); [L788] COND TRUE ret==0 VAL [a6={12:0}, ldv_global_msg_list={11:0}, ret=0] [L789] CALL disconnect_6(&a6) VAL [a={12:0}, a6={12:0}, ldv_global_msg_list={11:0}] [L783] EXPR a->p VAL [a={12:0}, a={12:0}, a->p={14:0}, a6={12:0}, ldv_global_msg_list={11:0}] [L783] free(a->p) VAL [a={12:0}, a={12:0}, a->p={14:0}, a6={12:0}, ldv_global_msg_list={11:0}] [L783] free(a->p) VAL [a={12:0}, a={12:0}, a->p={14:0}, a6={12:0}, ldv_global_msg_list={11:0}] [L783] free(a->p) VAL [a={12:0}, a={12:0}, a->p={14:0}, a6={12:0}, ldv_global_msg_list={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 374 locations, 86 error locations. Result: UNSAFE, OverallTime: 13.5s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 930 SDtfs, 1669 SDslu, 1999 SDs, 0 SdLazy, 3602 SolverSat, 567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 114 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 92403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...