./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.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_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/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 9181148b15e14afa3f85d7f56edfe966974a0845 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/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 9181148b15e14afa3f85d7f56edfe966974a0845 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:17:32,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:17:32,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:17:32,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:17:32,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:17:32,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:17:32,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:17:32,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:17:32,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:17:32,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:17:32,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:17:32,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:17:32,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:17:32,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:17:32,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:17:32,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:17:32,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:17:32,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:17:32,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:17:32,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:17:32,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:17:32,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:17:32,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:17:32,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:17:32,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:17:32,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:17:32,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:17:32,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:17:32,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:17:32,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:17:32,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:17:32,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:17:32,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:17:32,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:17:32,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:17:32,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:17:32,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:17:32,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:17:32,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:17:32,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:17:32,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:17:32,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:17:32,319 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:17:32,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:17:32,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:17:32,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:17:32,331 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:17:32,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:17:32,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:17:32,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:17:32,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:17:32,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:17:32,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:17:32,332 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:17:32,333 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:17:32,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:17:32,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:17:32,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:17:32,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:17:32,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:17:32,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:17:32,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:17:32,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:17:32,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:17:32,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:17:32,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:17:32,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:17:32,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:17:32,337 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_6181b168-27b8-4dc0-9ebd-344ead96241d/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 -> 9181148b15e14afa3f85d7f56edfe966974a0845 [2019-11-15 22:17:32,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:17:32,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:17:32,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:17:32,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:17:32,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:17:32,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-15 22:17:32,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/9d6a38624/7f7418ac44ac464081f0d44b1cc47549/FLAGdf9069c73 [2019-11-15 22:17:32,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:17:32,903 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-15 22:17:32,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/9d6a38624/7f7418ac44ac464081f0d44b1cc47549/FLAGdf9069c73 [2019-11-15 22:17:33,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/9d6a38624/7f7418ac44ac464081f0d44b1cc47549 [2019-11-15 22:17:33,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:17:33,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:17:33,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:17:33,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:17:33,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:17:33,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:17:33" (1/1) ... [2019-11-15 22:17:33,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1c72df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:33, skipping insertion in model container [2019-11-15 22:17:33,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:17:33" (1/1) ... [2019-11-15 22:17:33,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:17:33,484 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:17:33,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:17:33,935 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:17:34,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:17:34,113 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:17:34,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34 WrapperNode [2019-11-15 22:17:34,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:17:34,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:17:34,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:17:34,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:17:34,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... [2019-11-15 22:17:34,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:17:34,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:17:34,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:17:34,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:17:34,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/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 22:17:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:17:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:17:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:17:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:17:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:17:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:17:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:17:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:17:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 22:17:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 22:17:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 22:17:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 22:17:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:17:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 22:17:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 22:17:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 22:17:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 22:17:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 22:17:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 22:17:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 22:17:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 22:17:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 22:17:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 22:17:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 22:17:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 22:17:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 22:17:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 22:17:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 22:17:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 22:17:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 22:17:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 22:17:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 22:17:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:17:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 22:17:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 22:17:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 22:17:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:17:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:17:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:17:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:17:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:17:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:17:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:17:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:17:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:17:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:17:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:17:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:17:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:17:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:17:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:17:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:17:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:17:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:17:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:17:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:17:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:17:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:17:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:17:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:17:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:17:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:17:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:17:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:17:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:17:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:17:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 22:17:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 22:17:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:17:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 22:17:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 22:17:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 22:17:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 22:17:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 22:17:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:17:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 22:17:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 22:17:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 22:17:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 22:17:34,847 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:17:35,046 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:17:35,278 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:17:35,278 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 22:17:35,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:17:35 BoogieIcfgContainer [2019-11-15 22:17:35,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:17:35,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:17:35,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:17:35,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:17:35,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:17:33" (1/3) ... [2019-11-15 22:17:35,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc22ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:17:35, skipping insertion in model container [2019-11-15 22:17:35,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:17:34" (2/3) ... [2019-11-15 22:17:35,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc22ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:17:35, skipping insertion in model container [2019-11-15 22:17:35,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:17:35" (3/3) ... [2019-11-15 22:17:35,296 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2019-11-15 22:17:35,306 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:17:35,316 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-15 22:17:35,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-15 22:17:35,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:17:35,347 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:17:35,348 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:17:35,348 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:17:35,348 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:17:35,348 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:17:35,348 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:17:35,348 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:17:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-15 22:17:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:17:35,381 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:35,382 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:35,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:35,390 INFO L82 PathProgramCache]: Analyzing trace with hash -937340046, now seen corresponding path program 1 times [2019-11-15 22:17:35,398 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:35,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888228386] [2019-11-15 22:17:35,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:35,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:35,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:35,721 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 22:17:35,721 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888228386] [2019-11-15 22:17:35,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:35,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:17:35,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078204045] [2019-11-15 22:17:35,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:17:35,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:35,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:17:35,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:17:35,742 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 7 states. [2019-11-15 22:17:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:36,667 INFO L93 Difference]: Finished difference Result 173 states and 187 transitions. [2019-11-15 22:17:36,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:17:36,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-15 22:17:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:36,701 INFO L225 Difference]: With dead ends: 173 [2019-11-15 22:17:36,701 INFO L226 Difference]: Without dead ends: 166 [2019-11-15 22:17:36,703 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:17:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-15 22:17:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2019-11-15 22:17:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-15 22:17:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 179 transitions. [2019-11-15 22:17:36,765 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 179 transitions. Word has length 17 [2019-11-15 22:17:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:36,766 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 179 transitions. [2019-11-15 22:17:36,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:17:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 179 transitions. [2019-11-15 22:17:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:17:36,767 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:36,767 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:36,768 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:36,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:36,770 INFO L82 PathProgramCache]: Analyzing trace with hash -937340045, now seen corresponding path program 1 times [2019-11-15 22:17:36,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:36,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715218495] [2019-11-15 22:17:36,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:36,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:36,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:36,932 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 22:17:36,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715218495] [2019-11-15 22:17:36,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:36,933 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:17:36,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300881607] [2019-11-15 22:17:36,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:17:36,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:36,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:17:36,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:17:36,935 INFO L87 Difference]: Start difference. First operand 165 states and 179 transitions. Second operand 8 states. [2019-11-15 22:17:37,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:37,742 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2019-11-15 22:17:37,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:17:37,743 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-15 22:17:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:37,745 INFO L225 Difference]: With dead ends: 165 [2019-11-15 22:17:37,745 INFO L226 Difference]: Without dead ends: 165 [2019-11-15 22:17:37,746 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:17:37,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-11-15 22:17:37,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2019-11-15 22:17:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-11-15 22:17:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2019-11-15 22:17:37,773 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 17 [2019-11-15 22:17:37,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:37,773 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2019-11-15 22:17:37,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:17:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2019-11-15 22:17:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:17:37,774 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:37,775 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:37,775 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:37,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:37,776 INFO L82 PathProgramCache]: Analyzing trace with hash -908710895, now seen corresponding path program 1 times [2019-11-15 22:17:37,776 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:37,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129101504] [2019-11-15 22:17:37,776 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:37,776 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:37,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:37,910 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 22:17:37,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129101504] [2019-11-15 22:17:37,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:37,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:17:37,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420326415] [2019-11-15 22:17:37,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:17:37,912 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:37,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:17:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:17:37,912 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand 7 states. [2019-11-15 22:17:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:38,480 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2019-11-15 22:17:38,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:17:38,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-15 22:17:38,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:38,482 INFO L225 Difference]: With dead ends: 161 [2019-11-15 22:17:38,483 INFO L226 Difference]: Without dead ends: 161 [2019-11-15 22:17:38,483 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:17:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-15 22:17:38,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2019-11-15 22:17:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-15 22:17:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2019-11-15 22:17:38,497 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 17 [2019-11-15 22:17:38,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:38,497 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2019-11-15 22:17:38,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:17:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2019-11-15 22:17:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 22:17:38,501 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:38,502 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] [2019-11-15 22:17:38,503 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:38,503 INFO L82 PathProgramCache]: Analyzing trace with hash -804416455, now seen corresponding path program 1 times [2019-11-15 22:17:38,503 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:38,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845304114] [2019-11-15 22:17:38,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:38,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:38,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:38,663 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 22:17:38,664 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845304114] [2019-11-15 22:17:38,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:38,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:17:38,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804602242] [2019-11-15 22:17:38,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:17:38,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:38,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:17:38,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:17:38,665 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 8 states. [2019-11-15 22:17:39,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:39,229 INFO L93 Difference]: Finished difference Result 173 states and 185 transitions. [2019-11-15 22:17:39,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:17:39,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2019-11-15 22:17:39,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:39,232 INFO L225 Difference]: With dead ends: 173 [2019-11-15 22:17:39,232 INFO L226 Difference]: Without dead ends: 173 [2019-11-15 22:17:39,232 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:17:39,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-15 22:17:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 159. [2019-11-15 22:17:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-15 22:17:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 168 transitions. [2019-11-15 22:17:39,263 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 168 transitions. Word has length 27 [2019-11-15 22:17:39,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:39,263 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 168 transitions. [2019-11-15 22:17:39,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:17:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2019-11-15 22:17:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 22:17:39,271 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:39,271 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] [2019-11-15 22:17:39,271 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1314950632, now seen corresponding path program 1 times [2019-11-15 22:17:39,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:39,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58769958] [2019-11-15 22:17:39,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:39,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:39,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:39,458 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 22:17:39,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58769958] [2019-11-15 22:17:39,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:39,458 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 22:17:39,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263834802] [2019-11-15 22:17:39,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:17:39,459 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:39,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:17:39,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:17:39,460 INFO L87 Difference]: Start difference. First operand 159 states and 168 transitions. Second operand 10 states. [2019-11-15 22:17:40,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:40,173 INFO L93 Difference]: Finished difference Result 178 states and 187 transitions. [2019-11-15 22:17:40,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:17:40,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2019-11-15 22:17:40,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:40,176 INFO L225 Difference]: With dead ends: 178 [2019-11-15 22:17:40,176 INFO L226 Difference]: Without dead ends: 178 [2019-11-15 22:17:40,176 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:17:40,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-11-15 22:17:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 164. [2019-11-15 22:17:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-15 22:17:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 172 transitions. [2019-11-15 22:17:40,187 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 172 transitions. Word has length 27 [2019-11-15 22:17:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:40,188 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 172 transitions. [2019-11-15 22:17:40,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:17:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 172 transitions. [2019-11-15 22:17:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:17:40,189 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:40,189 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 22:17:40,189 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:40,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:40,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1968400748, now seen corresponding path program 1 times [2019-11-15 22:17:40,190 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:40,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951755027] [2019-11-15 22:17:40,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:40,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:40,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:40,396 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 22:17:40,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951755027] [2019-11-15 22:17:40,396 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:40,397 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:17:40,397 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809261889] [2019-11-15 22:17:40,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:17:40,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:40,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:17:40,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:17:40,398 INFO L87 Difference]: Start difference. First operand 164 states and 172 transitions. Second operand 14 states. [2019-11-15 22:17:41,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:41,949 INFO L93 Difference]: Finished difference Result 188 states and 203 transitions. [2019-11-15 22:17:41,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 22:17:41,949 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2019-11-15 22:17:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:41,951 INFO L225 Difference]: With dead ends: 188 [2019-11-15 22:17:41,951 INFO L226 Difference]: Without dead ends: 188 [2019-11-15 22:17:41,952 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:17:41,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-15 22:17:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2019-11-15 22:17:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-15 22:17:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 171 transitions. [2019-11-15 22:17:41,965 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 171 transitions. Word has length 32 [2019-11-15 22:17:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:41,965 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 171 transitions. [2019-11-15 22:17:41,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:17:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 171 transitions. [2019-11-15 22:17:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:17:41,967 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:41,967 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 22:17:41,967 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1968400749, now seen corresponding path program 1 times [2019-11-15 22:17:41,968 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:41,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365788225] [2019-11-15 22:17:41,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:41,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:41,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,074 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 22:17:42,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365788225] [2019-11-15 22:17:42,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:42,075 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:17:42,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272990877] [2019-11-15 22:17:42,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:17:42,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:17:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:17:42,076 INFO L87 Difference]: Start difference. First operand 163 states and 171 transitions. Second operand 7 states. [2019-11-15 22:17:42,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:42,636 INFO L93 Difference]: Finished difference Result 175 states and 183 transitions. [2019-11-15 22:17:42,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:17:42,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 22:17:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:42,639 INFO L225 Difference]: With dead ends: 175 [2019-11-15 22:17:42,639 INFO L226 Difference]: Without dead ends: 173 [2019-11-15 22:17:42,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:17:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-11-15 22:17:42,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 164. [2019-11-15 22:17:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-15 22:17:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 172 transitions. [2019-11-15 22:17:42,648 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 172 transitions. Word has length 32 [2019-11-15 22:17:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:42,649 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 172 transitions. [2019-11-15 22:17:42,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:17:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 172 transitions. [2019-11-15 22:17:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:17:42,659 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:42,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:42,660 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:42,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:42,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1413929044, now seen corresponding path program 1 times [2019-11-15 22:17:42,661 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:42,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61911605] [2019-11-15 22:17:42,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:42,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:42,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:42,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61911605] [2019-11-15 22:17:42,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:42,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 22:17:42,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791465040] [2019-11-15 22:17:42,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 22:17:42,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:42,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 22:17:42,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:17:42,983 INFO L87 Difference]: Start difference. First operand 164 states and 172 transitions. Second operand 15 states. [2019-11-15 22:17:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:44,759 INFO L93 Difference]: Finished difference Result 172 states and 180 transitions. [2019-11-15 22:17:44,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 22:17:44,760 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 33 [2019-11-15 22:17:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:44,761 INFO L225 Difference]: With dead ends: 172 [2019-11-15 22:17:44,761 INFO L226 Difference]: Without dead ends: 172 [2019-11-15 22:17:44,762 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2019-11-15 22:17:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-15 22:17:44,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 163. [2019-11-15 22:17:44,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-15 22:17:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 171 transitions. [2019-11-15 22:17:44,769 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 171 transitions. Word has length 33 [2019-11-15 22:17:44,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:44,770 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 171 transitions. [2019-11-15 22:17:44,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 22:17:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 171 transitions. [2019-11-15 22:17:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 22:17:44,771 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:44,771 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] [2019-11-15 22:17:44,772 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:44,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:44,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1934732074, now seen corresponding path program 1 times [2019-11-15 22:17:44,772 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:44,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493330650] [2019-11-15 22:17:44,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:44,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:44,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:44,952 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 22:17:44,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493330650] [2019-11-15 22:17:44,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:44,953 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:17:44,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817065986] [2019-11-15 22:17:44,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:17:44,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:44,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:17:44,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:17:44,958 INFO L87 Difference]: Start difference. First operand 163 states and 171 transitions. Second operand 11 states. [2019-11-15 22:17:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:45,788 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2019-11-15 22:17:45,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:17:45,788 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2019-11-15 22:17:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:45,789 INFO L225 Difference]: With dead ends: 176 [2019-11-15 22:17:45,790 INFO L226 Difference]: Without dead ends: 157 [2019-11-15 22:17:45,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:17:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-15 22:17:45,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2019-11-15 22:17:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-15 22:17:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 146 transitions. [2019-11-15 22:17:45,795 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 146 transitions. Word has length 36 [2019-11-15 22:17:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:45,795 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 146 transitions. [2019-11-15 22:17:45,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:17:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 146 transitions. [2019-11-15 22:17:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:17:45,797 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:45,797 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 22:17:45,797 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:45,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:45,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1930652458, now seen corresponding path program 1 times [2019-11-15 22:17:45,798 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:45,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298796872] [2019-11-15 22:17:45,798 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:45,798 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:45,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:45,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298796872] [2019-11-15 22:17:45,996 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:45,997 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:17:45,997 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297647511] [2019-11-15 22:17:45,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:17:45,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:45,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:17:45,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:17:45,999 INFO L87 Difference]: Start difference. First operand 140 states and 146 transitions. Second operand 14 states. [2019-11-15 22:17:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:47,060 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2019-11-15 22:17:47,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 22:17:47,060 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2019-11-15 22:17:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:47,061 INFO L225 Difference]: With dead ends: 155 [2019-11-15 22:17:47,061 INFO L226 Difference]: Without dead ends: 155 [2019-11-15 22:17:47,062 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-15 22:17:47,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-15 22:17:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 138. [2019-11-15 22:17:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-15 22:17:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 144 transitions. [2019-11-15 22:17:47,067 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 144 transitions. Word has length 38 [2019-11-15 22:17:47,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:47,067 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 144 transitions. [2019-11-15 22:17:47,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:17:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2019-11-15 22:17:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:17:47,069 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:47,069 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 22:17:47,069 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1930652457, now seen corresponding path program 1 times [2019-11-15 22:17:47,070 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:47,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214612463] [2019-11-15 22:17:47,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:47,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:47,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:47,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214612463] [2019-11-15 22:17:47,329 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:47,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 22:17:47,329 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583805879] [2019-11-15 22:17:47,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 22:17:47,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:47,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 22:17:47,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:17:47,333 INFO L87 Difference]: Start difference. First operand 138 states and 144 transitions. Second operand 15 states. [2019-11-15 22:17:48,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:48,865 INFO L93 Difference]: Finished difference Result 153 states and 159 transitions. [2019-11-15 22:17:48,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 22:17:48,866 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2019-11-15 22:17:48,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:48,867 INFO L225 Difference]: With dead ends: 153 [2019-11-15 22:17:48,867 INFO L226 Difference]: Without dead ends: 153 [2019-11-15 22:17:48,868 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2019-11-15 22:17:48,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-15 22:17:48,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 136. [2019-11-15 22:17:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 22:17:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 142 transitions. [2019-11-15 22:17:48,872 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 142 transitions. Word has length 38 [2019-11-15 22:17:48,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:48,874 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 142 transitions. [2019-11-15 22:17:48,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 22:17:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2019-11-15 22:17:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-15 22:17:48,880 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:48,880 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 22:17:48,883 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:48,883 INFO L82 PathProgramCache]: Analyzing trace with hash -121417227, now seen corresponding path program 1 times [2019-11-15 22:17:48,883 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:48,883 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526941198] [2019-11-15 22:17:48,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:48,884 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:48,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:49,056 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526941198] [2019-11-15 22:17:49,056 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:49,057 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 22:17:49,057 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234448582] [2019-11-15 22:17:49,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:17:49,057 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:17:49,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:17:49,058 INFO L87 Difference]: Start difference. First operand 136 states and 142 transitions. Second operand 11 states. [2019-11-15 22:17:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:49,738 INFO L93 Difference]: Finished difference Result 155 states and 160 transitions. [2019-11-15 22:17:49,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:17:49,738 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2019-11-15 22:17:49,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:49,739 INFO L225 Difference]: With dead ends: 155 [2019-11-15 22:17:49,739 INFO L226 Difference]: Without dead ends: 153 [2019-11-15 22:17:49,740 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:17:49,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-15 22:17:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 136. [2019-11-15 22:17:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 22:17:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2019-11-15 22:17:49,744 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 41 [2019-11-15 22:17:49,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:49,745 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2019-11-15 22:17:49,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:17:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2019-11-15 22:17:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 22:17:49,746 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:49,746 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:49,747 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:49,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1240244448, now seen corresponding path program 1 times [2019-11-15 22:17:49,747 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:49,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985450242] [2019-11-15 22:17:49,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:49,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:49,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:49,945 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985450242] [2019-11-15 22:17:49,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:49,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 22:17:49,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721385507] [2019-11-15 22:17:49,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 22:17:49,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:49,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 22:17:49,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:17:49,947 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 13 states. [2019-11-15 22:17:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:50,804 INFO L93 Difference]: Finished difference Result 153 states and 157 transitions. [2019-11-15 22:17:50,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:17:50,805 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2019-11-15 22:17:50,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:50,805 INFO L225 Difference]: With dead ends: 153 [2019-11-15 22:17:50,806 INFO L226 Difference]: Without dead ends: 149 [2019-11-15 22:17:50,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:17:50,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-15 22:17:50,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 136. [2019-11-15 22:17:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-15 22:17:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 140 transitions. [2019-11-15 22:17:50,811 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 140 transitions. Word has length 46 [2019-11-15 22:17:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:50,811 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 140 transitions. [2019-11-15 22:17:50,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 22:17:50,811 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2019-11-15 22:17:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 22:17:50,812 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:50,812 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:50,813 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:50,813 INFO L82 PathProgramCache]: Analyzing trace with hash 402986557, now seen corresponding path program 1 times [2019-11-15 22:17:50,813 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:50,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851096961] [2019-11-15 22:17:50,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:50,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:50,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:51,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851096961] [2019-11-15 22:17:51,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:51,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-11-15 22:17:51,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262948245] [2019-11-15 22:17:51,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:17:51,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:51,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:17:51,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:17:51,136 INFO L87 Difference]: Start difference. First operand 136 states and 140 transitions. Second operand 18 states. [2019-11-15 22:17:52,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:52,588 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2019-11-15 22:17:52,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 22:17:52,588 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2019-11-15 22:17:52,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:52,589 INFO L225 Difference]: With dead ends: 149 [2019-11-15 22:17:52,589 INFO L226 Difference]: Without dead ends: 149 [2019-11-15 22:17:52,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=859, Unknown=0, NotChecked=0, Total=992 [2019-11-15 22:17:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-15 22:17:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2019-11-15 22:17:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-15 22:17:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 138 transitions. [2019-11-15 22:17:52,594 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 138 transitions. Word has length 57 [2019-11-15 22:17:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:52,595 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 138 transitions. [2019-11-15 22:17:52,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:17:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2019-11-15 22:17:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 22:17:52,596 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:52,596 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:52,596 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash 402986558, now seen corresponding path program 1 times [2019-11-15 22:17:52,597 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:52,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461894472] [2019-11-15 22:17:52,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:52,597 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:52,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 22:17:53,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461894472] [2019-11-15 22:17:53,041 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:53,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-11-15 22:17:53,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699161629] [2019-11-15 22:17:53,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 22:17:53,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:53,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 22:17:53,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:17:53,043 INFO L87 Difference]: Start difference. First operand 134 states and 138 transitions. Second operand 19 states. [2019-11-15 22:17:54,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:54,503 INFO L93 Difference]: Finished difference Result 145 states and 149 transitions. [2019-11-15 22:17:54,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 22:17:54,503 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 57 [2019-11-15 22:17:54,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:54,504 INFO L225 Difference]: With dead ends: 145 [2019-11-15 22:17:54,504 INFO L226 Difference]: Without dead ends: 145 [2019-11-15 22:17:54,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=978, Unknown=0, NotChecked=0, Total=1122 [2019-11-15 22:17:54,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-11-15 22:17:54,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 132. [2019-11-15 22:17:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-15 22:17:54,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 136 transitions. [2019-11-15 22:17:54,509 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 136 transitions. Word has length 57 [2019-11-15 22:17:54,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:54,509 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 136 transitions. [2019-11-15 22:17:54,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 22:17:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2019-11-15 22:17:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-15 22:17:54,510 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:54,511 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:54,511 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:54,511 INFO L82 PathProgramCache]: Analyzing trace with hash -912138075, now seen corresponding path program 1 times [2019-11-15 22:17:54,511 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:54,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69806234] [2019-11-15 22:17:54,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:54,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:54,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:17:54,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69806234] [2019-11-15 22:17:54,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165954566] [2019-11-15 22:17:54,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:17:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:54,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:17:54,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:17:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:17:55,002 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:17:55,003 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 13 [2019-11-15 22:17:55,003 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39085690] [2019-11-15 22:17:55,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 22:17:55,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:55,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 22:17:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-11-15 22:17:55,004 INFO L87 Difference]: Start difference. First operand 132 states and 136 transitions. Second operand 13 states. [2019-11-15 22:17:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:56,040 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2019-11-15 22:17:56,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:17:56,040 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2019-11-15 22:17:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:56,041 INFO L225 Difference]: With dead ends: 148 [2019-11-15 22:17:56,041 INFO L226 Difference]: Without dead ends: 146 [2019-11-15 22:17:56,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:17:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-15 22:17:56,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2019-11-15 22:17:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 22:17:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 137 transitions. [2019-11-15 22:17:56,055 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 137 transitions. Word has length 66 [2019-11-15 22:17:56,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:56,056 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 137 transitions. [2019-11-15 22:17:56,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 22:17:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2019-11-15 22:17:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-15 22:17:56,059 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:56,059 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:56,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:17:56,269 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:56,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:56,269 INFO L82 PathProgramCache]: Analyzing trace with hash 466539980, now seen corresponding path program 2 times [2019-11-15 22:17:56,269 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:56,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340641667] [2019-11-15 22:17:56,271 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:56,271 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:56,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:17:56,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340641667] [2019-11-15 22:17:56,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444204907] [2019-11-15 22:17:56,545 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:17:56,760 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:17:56,761 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:17:56,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 22:17:56,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:17:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:17:56,918 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:17:56,918 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 18 [2019-11-15 22:17:56,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769734633] [2019-11-15 22:17:56,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:17:56,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:56,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:17:56,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:17:56,920 INFO L87 Difference]: Start difference. First operand 133 states and 137 transitions. Second operand 10 states. [2019-11-15 22:17:57,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:57,010 INFO L93 Difference]: Finished difference Result 136 states and 139 transitions. [2019-11-15 22:17:57,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:17:57,011 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2019-11-15 22:17:57,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:57,012 INFO L225 Difference]: With dead ends: 136 [2019-11-15 22:17:57,012 INFO L226 Difference]: Without dead ends: 133 [2019-11-15 22:17:57,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:17:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-15 22:17:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-15 22:17:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-15 22:17:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2019-11-15 22:17:57,017 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 67 [2019-11-15 22:17:57,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:57,017 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2019-11-15 22:17:57,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:17:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2019-11-15 22:17:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-15 22:17:57,020 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:57,021 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:57,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:17:57,226 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:57,226 INFO L82 PathProgramCache]: Analyzing trace with hash -634877249, now seen corresponding path program 1 times [2019-11-15 22:17:57,226 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:57,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073083137] [2019-11-15 22:17:57,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:57,227 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:57,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:17:57,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073083137] [2019-11-15 22:17:57,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:17:57,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-11-15 22:17:57,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868232134] [2019-11-15 22:17:57,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 22:17:57,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:17:57,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 22:17:57,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:17:57,642 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 20 states. [2019-11-15 22:17:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:17:59,456 INFO L93 Difference]: Finished difference Result 143 states and 146 transitions. [2019-11-15 22:17:59,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-15 22:17:59,456 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 80 [2019-11-15 22:17:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:17:59,458 INFO L225 Difference]: With dead ends: 143 [2019-11-15 22:17:59,458 INFO L226 Difference]: Without dead ends: 143 [2019-11-15 22:17:59,458 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=1170, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 22:17:59,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-15 22:17:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 131. [2019-11-15 22:17:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-15 22:17:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 134 transitions. [2019-11-15 22:17:59,463 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 134 transitions. Word has length 80 [2019-11-15 22:17:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:17:59,463 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 134 transitions. [2019-11-15 22:17:59,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 22:17:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 134 transitions. [2019-11-15 22:17:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-15 22:17:59,464 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:17:59,464 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:17:59,464 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:17:59,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:17:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash -634877248, now seen corresponding path program 1 times [2019-11-15 22:17:59,465 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:17:59,465 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418954572] [2019-11-15 22:17:59,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:59,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:17:59,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:17:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:17:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 22:18:00,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418954572] [2019-11-15 22:18:00,104 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:00,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-11-15 22:18:00,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369510505] [2019-11-15 22:18:00,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 22:18:00,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 22:18:00,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2019-11-15 22:18:00,107 INFO L87 Difference]: Start difference. First operand 131 states and 134 transitions. Second operand 21 states. [2019-11-15 22:18:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:01,917 INFO L93 Difference]: Finished difference Result 139 states and 142 transitions. [2019-11-15 22:18:01,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-15 22:18:01,917 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 80 [2019-11-15 22:18:01,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:01,918 INFO L225 Difference]: With dead ends: 139 [2019-11-15 22:18:01,918 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 22:18:01,919 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=1531, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 22:18:01,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 22:18:01,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2019-11-15 22:18:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-15 22:18:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 132 transitions. [2019-11-15 22:18:01,927 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 132 transitions. Word has length 80 [2019-11-15 22:18:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:01,927 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 132 transitions. [2019-11-15 22:18:01,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 22:18:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 132 transitions. [2019-11-15 22:18:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-15 22:18:01,928 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:01,928 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:01,929 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:01,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:01,929 INFO L82 PathProgramCache]: Analyzing trace with hash -572694604, now seen corresponding path program 1 times [2019-11-15 22:18:01,930 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:01,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711239506] [2019-11-15 22:18:01,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:01,930 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:01,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:02,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711239506] [2019-11-15 22:18:02,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388889201] [2019-11-15 22:18:02,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:02,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 22:18:02,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:02,470 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:02,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 15 [2019-11-15 22:18:02,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224870929] [2019-11-15 22:18:02,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 22:18:02,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:02,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 22:18:02,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:18:02,473 INFO L87 Difference]: Start difference. First operand 129 states and 132 transitions. Second operand 15 states. [2019-11-15 22:18:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:03,370 INFO L93 Difference]: Finished difference Result 142 states and 145 transitions. [2019-11-15 22:18:03,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 22:18:03,370 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 78 [2019-11-15 22:18:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:03,371 INFO L225 Difference]: With dead ends: 142 [2019-11-15 22:18:03,371 INFO L226 Difference]: Without dead ends: 140 [2019-11-15 22:18:03,372 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:18:03,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-15 22:18:03,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 130. [2019-11-15 22:18:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 22:18:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 133 transitions. [2019-11-15 22:18:03,375 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 133 transitions. Word has length 78 [2019-11-15 22:18:03,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:03,375 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 133 transitions. [2019-11-15 22:18:03,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 22:18:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2019-11-15 22:18:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-15 22:18:03,376 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:03,376 INFO L380 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:03,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:03,577 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:03,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:03,578 INFO L82 PathProgramCache]: Analyzing trace with hash 154718811, now seen corresponding path program 2 times [2019-11-15 22:18:03,578 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:03,578 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933460201] [2019-11-15 22:18:03,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:03,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:03,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:03,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933460201] [2019-11-15 22:18:03,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769319998] [2019-11-15 22:18:03,962 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:04,186 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:18:04,187 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:04,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 22:18:04,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:18:04,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:18:04,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 20 [2019-11-15 22:18:04,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934191751] [2019-11-15 22:18:04,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 22:18:04,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:04,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 22:18:04,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:18:04,320 INFO L87 Difference]: Start difference. First operand 130 states and 133 transitions. Second operand 10 states. [2019-11-15 22:18:04,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:04,412 INFO L93 Difference]: Finished difference Result 132 states and 134 transitions. [2019-11-15 22:18:04,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:18:04,413 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-11-15 22:18:04,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:04,414 INFO L225 Difference]: With dead ends: 132 [2019-11-15 22:18:04,414 INFO L226 Difference]: Without dead ends: 130 [2019-11-15 22:18:04,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2019-11-15 22:18:04,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-15 22:18:04,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-15 22:18:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 22:18:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2019-11-15 22:18:04,420 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 79 [2019-11-15 22:18:04,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:04,420 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2019-11-15 22:18:04,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 22:18:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2019-11-15 22:18:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-15 22:18:04,422 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:04,422 INFO L380 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:04,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:04,630 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:04,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:04,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1727054508, now seen corresponding path program 1 times [2019-11-15 22:18:04,631 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:04,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009773712] [2019-11-15 22:18:04,631 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:04,631 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:04,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:18:05,055 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009773712] [2019-11-15 22:18:05,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:05,055 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-11-15 22:18:05,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385052265] [2019-11-15 22:18:05,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 22:18:05,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:05,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 22:18:05,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:18:05,057 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand 23 states. [2019-11-15 22:18:06,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:06,760 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2019-11-15 22:18:06,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 22:18:06,762 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 95 [2019-11-15 22:18:06,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:06,763 INFO L225 Difference]: With dead ends: 138 [2019-11-15 22:18:06,763 INFO L226 Difference]: Without dead ends: 138 [2019-11-15 22:18:06,764 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=1523, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 22:18:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-15 22:18:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 128. [2019-11-15 22:18:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-15 22:18:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2019-11-15 22:18:06,767 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 95 [2019-11-15 22:18:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:06,767 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2019-11-15 22:18:06,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 22:18:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2019-11-15 22:18:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-15 22:18:06,768 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:06,769 INFO L380 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:06,769 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:06,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1727054509, now seen corresponding path program 1 times [2019-11-15 22:18:06,769 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:06,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048619379] [2019-11-15 22:18:06,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:06,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:06,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:06,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048619379] [2019-11-15 22:18:06,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045737544] [2019-11-15 22:18:06,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:07,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 22:18:07,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:07,222 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:07,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 11 [2019-11-15 22:18:07,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163238665] [2019-11-15 22:18:07,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 22:18:07,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:07,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 22:18:07,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-15 22:18:07,223 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand 11 states. [2019-11-15 22:18:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:07,764 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2019-11-15 22:18:07,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 22:18:07,764 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2019-11-15 22:18:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:07,765 INFO L225 Difference]: With dead ends: 139 [2019-11-15 22:18:07,765 INFO L226 Difference]: Without dead ends: 137 [2019-11-15 22:18:07,765 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:18:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-15 22:18:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2019-11-15 22:18:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-15 22:18:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2019-11-15 22:18:07,769 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 95 [2019-11-15 22:18:07,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:07,769 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2019-11-15 22:18:07,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 22:18:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2019-11-15 22:18:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-15 22:18:07,770 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:07,771 INFO L380 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:07,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:07,975 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:07,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:07,975 INFO L82 PathProgramCache]: Analyzing trace with hash 785519334, now seen corresponding path program 2 times [2019-11-15 22:18:07,976 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:07,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106450276] [2019-11-15 22:18:07,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:07,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:07,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:08,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106450276] [2019-11-15 22:18:08,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789115392] [2019-11-15 22:18:08,161 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:08,383 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:18:08,383 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:08,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 83 conjunts are in the unsatisfiable core [2019-11-15 22:18:08,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 22:18:09,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:18:09,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [12] total 33 [2019-11-15 22:18:09,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883668720] [2019-11-15 22:18:09,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 22:18:09,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:09,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 22:18:09,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2019-11-15 22:18:09,262 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand 23 states. [2019-11-15 22:18:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:10,062 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2019-11-15 22:18:10,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 22:18:10,063 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 96 [2019-11-15 22:18:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:10,064 INFO L225 Difference]: With dead ends: 127 [2019-11-15 22:18:10,064 INFO L226 Difference]: Without dead ends: 127 [2019-11-15 22:18:10,064 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 92 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=1431, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 22:18:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-15 22:18:10,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-11-15 22:18:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-15 22:18:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2019-11-15 22:18:10,068 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 96 [2019-11-15 22:18:10,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:10,068 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2019-11-15 22:18:10,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 22:18:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2019-11-15 22:18:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 22:18:10,069 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:10,069 INFO L380 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:10,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:10,273 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:10,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:10,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1870100173, now seen corresponding path program 1 times [2019-11-15 22:18:10,274 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:10,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576474460] [2019-11-15 22:18:10,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:10,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:10,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 22:18:10,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576474460] [2019-11-15 22:18:10,728 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:18:10,728 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-11-15 22:18:10,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640387702] [2019-11-15 22:18:10,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 22:18:10,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:10,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 22:18:10,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2019-11-15 22:18:10,729 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand 24 states. [2019-11-15 22:18:12,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:12,945 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2019-11-15 22:18:12,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-15 22:18:12,945 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 99 [2019-11-15 22:18:12,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:12,946 INFO L225 Difference]: With dead ends: 134 [2019-11-15 22:18:12,946 INFO L226 Difference]: Without dead ends: 134 [2019-11-15 22:18:12,947 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2019-11-15 22:18:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-15 22:18:12,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2019-11-15 22:18:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-15 22:18:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2019-11-15 22:18:12,951 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 99 [2019-11-15 22:18:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:12,951 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2019-11-15 22:18:12,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 22:18:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2019-11-15 22:18:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-15 22:18:12,952 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:12,952 INFO L380 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:12,952 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2133145527, now seen corresponding path program 1 times [2019-11-15 22:18:12,953 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:12,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033037690] [2019-11-15 22:18:12,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:12,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:12,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:13,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033037690] [2019-11-15 22:18:13,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175805972] [2019-11-15 22:18:13,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:13,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:18:13,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:13,374 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:13,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 12 [2019-11-15 22:18:13,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340861807] [2019-11-15 22:18:13,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 22:18:13,375 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:13,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 22:18:13,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:18:13,376 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand 12 states. [2019-11-15 22:18:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:14,022 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2019-11-15 22:18:14,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 22:18:14,022 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2019-11-15 22:18:14,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:14,023 INFO L225 Difference]: With dead ends: 137 [2019-11-15 22:18:14,023 INFO L226 Difference]: Without dead ends: 135 [2019-11-15 22:18:14,023 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:18:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-15 22:18:14,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 127. [2019-11-15 22:18:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-15 22:18:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 129 transitions. [2019-11-15 22:18:14,026 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 129 transitions. Word has length 102 [2019-11-15 22:18:14,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:14,026 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 129 transitions. [2019-11-15 22:18:14,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 22:18:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 129 transitions. [2019-11-15 22:18:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-15 22:18:14,027 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:14,027 INFO L380 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:14,227 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:14,228 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:14,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:14,228 INFO L82 PathProgramCache]: Analyzing trace with hash -922585616, now seen corresponding path program 2 times [2019-11-15 22:18:14,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:14,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717109421] [2019-11-15 22:18:14,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:14,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:14,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:14,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717109421] [2019-11-15 22:18:14,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877057956] [2019-11-15 22:18:14,450 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:14,679 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:18:14,680 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:14,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 160 conjunts are in the unsatisfiable core [2019-11-15 22:18:14,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:14,849 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 22:18:14,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:18:14,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:18:14,856 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:18:14,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-15 22:18:15,022 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 22:18:15,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:18:15,027 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 22:18:15,027 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:26 [2019-11-15 22:18:15,942 WARN L860 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int) (v_DerPreprocessor_1 Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset v_DerPreprocessor_1) .cse0 (select (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|) .cse0))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2019-11-15 22:18:15,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:18:15,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:18:15,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 22:18:15,955 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2019-11-15 22:18:15,955 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:18:15,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:18:15,967 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:18:15,967 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:9 [2019-11-15 22:18:16,489 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 22:18:16,492 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:18:16,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2019-11-15 22:18:16,493 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:18:16,505 INFO L567 ElimStorePlain]: treesize reduction 13, result has 50.0 percent of original size [2019-11-15 22:18:16,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:18:16,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:13 [2019-11-15 22:18:17,045 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-15 22:18:17,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:18:17,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:18:17,051 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:18:17,051 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2019-11-15 22:18:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-15 22:18:17,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:18:17,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [13] total 51 [2019-11-15 22:18:17,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581087819] [2019-11-15 22:18:17,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-15 22:18:17,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:17,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-15 22:18:17,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2322, Unknown=1, NotChecked=96, Total=2550 [2019-11-15 22:18:17,113 INFO L87 Difference]: Start difference. First operand 127 states and 129 transitions. Second operand 40 states. [2019-11-15 22:18:18,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:18,701 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2019-11-15 22:18:18,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-15 22:18:18,701 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 103 [2019-11-15 22:18:18,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:18,702 INFO L225 Difference]: With dead ends: 102 [2019-11-15 22:18:18,702 INFO L226 Difference]: Without dead ends: 102 [2019-11-15 22:18:18,703 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=217, Invalid=4478, Unknown=1, NotChecked=134, Total=4830 [2019-11-15 22:18:18,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-15 22:18:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-11-15 22:18:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-15 22:18:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2019-11-15 22:18:18,705 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 103 [2019-11-15 22:18:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:18,706 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2019-11-15 22:18:18,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-15 22:18:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2019-11-15 22:18:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-15 22:18:18,707 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:18,707 INFO L380 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:18,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:18,911 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:18,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:18,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2123715241, now seen corresponding path program 1 times [2019-11-15 22:18:18,911 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:18,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877383972] [2019-11-15 22:18:18,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:18,912 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:18,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:19,189 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877383972] [2019-11-15 22:18:19,189 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571234293] [2019-11-15 22:18:19,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:19,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 22:18:19,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:19,394 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:19,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 14 [2019-11-15 22:18:19,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908089853] [2019-11-15 22:18:19,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:18:19,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:19,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:18:19,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:18:19,396 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 14 states. [2019-11-15 22:18:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:19,937 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2019-11-15 22:18:19,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 22:18:19,938 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2019-11-15 22:18:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:19,938 INFO L225 Difference]: With dead ends: 105 [2019-11-15 22:18:19,938 INFO L226 Difference]: Without dead ends: 103 [2019-11-15 22:18:19,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2019-11-15 22:18:19,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-15 22:18:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-15 22:18:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-15 22:18:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2019-11-15 22:18:19,941 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2019-11-15 22:18:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:19,941 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2019-11-15 22:18:19,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:18:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2019-11-15 22:18:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-15 22:18:19,942 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:19,942 INFO L380 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:20,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:20,143 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:20,143 INFO L82 PathProgramCache]: Analyzing trace with hash -699191600, now seen corresponding path program 2 times [2019-11-15 22:18:20,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:20,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347598571] [2019-11-15 22:18:20,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:20,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:20,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:20,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347598571] [2019-11-15 22:18:20,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261976941] [2019-11-15 22:18:20,495 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:20,734 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 22:18:20,734 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:20,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 22:18:20,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:20,746 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:20,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 15 [2019-11-15 22:18:20,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626289793] [2019-11-15 22:18:20,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 22:18:20,747 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:20,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 22:18:20,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2019-11-15 22:18:20,748 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 15 states. [2019-11-15 22:18:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:21,411 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2019-11-15 22:18:21,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 22:18:21,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 102 [2019-11-15 22:18:21,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:21,412 INFO L225 Difference]: With dead ends: 106 [2019-11-15 22:18:21,412 INFO L226 Difference]: Without dead ends: 104 [2019-11-15 22:18:21,412 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2019-11-15 22:18:21,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-15 22:18:21,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-15 22:18:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-15 22:18:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2019-11-15 22:18:21,415 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2019-11-15 22:18:21,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:21,415 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2019-11-15 22:18:21,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 22:18:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2019-11-15 22:18:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-15 22:18:21,416 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:21,416 INFO L380 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:21,616 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:21,617 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:21,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:21,618 INFO L82 PathProgramCache]: Analyzing trace with hash 511368311, now seen corresponding path program 3 times [2019-11-15 22:18:21,618 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:21,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542629352] [2019-11-15 22:18:21,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:21,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:21,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:21,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542629352] [2019-11-15 22:18:21,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300072257] [2019-11-15 22:18:21,931 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:22,889 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-15 22:18:22,889 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:22,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 22:18:22,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:22,904 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:22,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 16 [2019-11-15 22:18:22,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897414608] [2019-11-15 22:18:22,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 22:18:22,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:22,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 22:18:22,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2019-11-15 22:18:22,906 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 16 states. [2019-11-15 22:18:23,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:23,598 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2019-11-15 22:18:23,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 22:18:23,598 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 103 [2019-11-15 22:18:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:23,599 INFO L225 Difference]: With dead ends: 107 [2019-11-15 22:18:23,599 INFO L226 Difference]: Without dead ends: 105 [2019-11-15 22:18:23,599 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2019-11-15 22:18:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-15 22:18:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-15 22:18:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-15 22:18:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2019-11-15 22:18:23,601 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2019-11-15 22:18:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:23,601 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2019-11-15 22:18:23,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 22:18:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2019-11-15 22:18:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-15 22:18:23,602 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:23,602 INFO L380 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:23,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:23,803 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:23,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:23,804 INFO L82 PathProgramCache]: Analyzing trace with hash -615980112, now seen corresponding path program 4 times [2019-11-15 22:18:23,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:23,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313878243] [2019-11-15 22:18:23,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:23,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:23,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:24,199 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313878243] [2019-11-15 22:18:24,199 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118751647] [2019-11-15 22:18:24,199 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:24,453 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 22:18:24,453 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:24,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 22:18:24,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:24,472 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:24,472 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 17 [2019-11-15 22:18:24,472 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427688432] [2019-11-15 22:18:24,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 22:18:24,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:24,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 22:18:24,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2019-11-15 22:18:24,475 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 17 states. [2019-11-15 22:18:25,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:25,368 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2019-11-15 22:18:25,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 22:18:25,369 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 104 [2019-11-15 22:18:25,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:25,369 INFO L225 Difference]: With dead ends: 108 [2019-11-15 22:18:25,369 INFO L226 Difference]: Without dead ends: 106 [2019-11-15 22:18:25,370 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2019-11-15 22:18:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-15 22:18:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-15 22:18:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 22:18:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2019-11-15 22:18:25,372 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2019-11-15 22:18:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:25,373 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2019-11-15 22:18:25,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 22:18:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2019-11-15 22:18:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-15 22:18:25,373 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:25,374 INFO L380 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:25,574 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:25,574 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:25,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:25,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1204042857, now seen corresponding path program 5 times [2019-11-15 22:18:25,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:25,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740749841] [2019-11-15 22:18:25,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:25,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:25,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:25,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740749841] [2019-11-15 22:18:25,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870048373] [2019-11-15 22:18:25,925 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:26,352 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-11-15 22:18:26,352 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:26,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-15 22:18:26,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:26,371 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:26,371 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13] total 18 [2019-11-15 22:18:26,371 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148921391] [2019-11-15 22:18:26,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-15 22:18:26,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:26,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-15 22:18:26,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2019-11-15 22:18:26,374 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 18 states. [2019-11-15 22:18:27,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:27,168 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2019-11-15 22:18:27,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 22:18:27,169 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 105 [2019-11-15 22:18:27,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:27,169 INFO L225 Difference]: With dead ends: 109 [2019-11-15 22:18:27,170 INFO L226 Difference]: Without dead ends: 107 [2019-11-15 22:18:27,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870 [2019-11-15 22:18:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-15 22:18:27,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-15 22:18:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-15 22:18:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2019-11-15 22:18:27,173 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2019-11-15 22:18:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:27,173 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2019-11-15 22:18:27,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-15 22:18:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2019-11-15 22:18:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-15 22:18:27,174 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:27,174 INFO L380 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:27,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:27,375 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:27,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:27,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2040848528, now seen corresponding path program 6 times [2019-11-15 22:18:27,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:27,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471030124] [2019-11-15 22:18:27,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:27,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:27,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471030124] [2019-11-15 22:18:27,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420746143] [2019-11-15 22:18:27,746 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:30,517 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2019-11-15 22:18:30,517 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:30,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-15 22:18:30,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:30,534 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:30,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 19 [2019-11-15 22:18:30,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555626836] [2019-11-15 22:18:30,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 22:18:30,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:30,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 22:18:30,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-15 22:18:30,535 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 19 states. [2019-11-15 22:18:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:31,226 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2019-11-15 22:18:31,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 22:18:31,227 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 106 [2019-11-15 22:18:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:31,227 INFO L225 Difference]: With dead ends: 110 [2019-11-15 22:18:31,227 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 22:18:31,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2019-11-15 22:18:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 22:18:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-15 22:18:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 22:18:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2019-11-15 22:18:31,230 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2019-11-15 22:18:31,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:31,230 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2019-11-15 22:18:31,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 22:18:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2019-11-15 22:18:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-15 22:18:31,231 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:31,231 INFO L380 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:31,431 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:31,432 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:31,432 INFO L82 PathProgramCache]: Analyzing trace with hash -446733641, now seen corresponding path program 7 times [2019-11-15 22:18:31,432 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:31,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523121673] [2019-11-15 22:18:31,432 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:31,432 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:31,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:31,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523121673] [2019-11-15 22:18:31,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021082913] [2019-11-15 22:18:31,886 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:32,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 22:18:32,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:32,121 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:32,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 20 [2019-11-15 22:18:32,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496043404] [2019-11-15 22:18:32,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 22:18:32,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:32,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 22:18:32,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:18:32,125 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 20 states. [2019-11-15 22:18:32,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:32,880 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2019-11-15 22:18:32,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 22:18:32,880 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 107 [2019-11-15 22:18:32,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:32,881 INFO L225 Difference]: With dead ends: 111 [2019-11-15 22:18:32,881 INFO L226 Difference]: Without dead ends: 109 [2019-11-15 22:18:32,881 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=804, Unknown=0, NotChecked=0, Total=1122 [2019-11-15 22:18:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-15 22:18:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-15 22:18:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-15 22:18:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2019-11-15 22:18:32,884 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2019-11-15 22:18:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:32,884 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2019-11-15 22:18:32,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 22:18:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2019-11-15 22:18:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-15 22:18:32,885 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:32,885 INFO L380 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:33,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:33,089 INFO L410 AbstractCegarLoop]: === Iteration 35 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:33,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:33,089 INFO L82 PathProgramCache]: Analyzing trace with hash -252369552, now seen corresponding path program 8 times [2019-11-15 22:18:33,089 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:33,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990900882] [2019-11-15 22:18:33,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:33,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:33,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:33,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990900882] [2019-11-15 22:18:33,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453320965] [2019-11-15 22:18:33,509 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:33,783 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-15 22:18:33,783 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:33,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 22:18:33,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:33,806 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:33,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 21 [2019-11-15 22:18:33,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680623009] [2019-11-15 22:18:33,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-15 22:18:33,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:33,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-15 22:18:33,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-11-15 22:18:33,808 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 21 states. [2019-11-15 22:18:34,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:34,864 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2019-11-15 22:18:34,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 22:18:34,864 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 108 [2019-11-15 22:18:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:34,865 INFO L225 Difference]: With dead ends: 112 [2019-11-15 22:18:34,865 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 22:18:34,866 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 22:18:34,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 22:18:34,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-15 22:18:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 22:18:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2019-11-15 22:18:34,868 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2019-11-15 22:18:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:34,869 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2019-11-15 22:18:34,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-15 22:18:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2019-11-15 22:18:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-15 22:18:34,869 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:34,870 INFO L380 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:35,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:35,075 INFO L410 AbstractCegarLoop]: === Iteration 36 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:35,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1477949911, now seen corresponding path program 9 times [2019-11-15 22:18:35,076 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:35,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604807044] [2019-11-15 22:18:35,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:35,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:35,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:35,538 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604807044] [2019-11-15 22:18:35,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882695254] [2019-11-15 22:18:35,539 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:44,485 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-11-15 22:18:44,485 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:44,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-15 22:18:44,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:44,894 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:44,894 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 41 [2019-11-15 22:18:44,894 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758714938] [2019-11-15 22:18:44,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-11-15 22:18:44,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:44,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-11-15 22:18:44,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1253, Unknown=0, NotChecked=0, Total=1640 [2019-11-15 22:18:44,896 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 41 states. [2019-11-15 22:18:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:45,987 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2019-11-15 22:18:45,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-15 22:18:45,987 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 109 [2019-11-15 22:18:45,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:45,988 INFO L225 Difference]: With dead ends: 113 [2019-11-15 22:18:45,988 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 22:18:45,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=822, Invalid=2960, Unknown=0, NotChecked=0, Total=3782 [2019-11-15 22:18:45,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 22:18:45,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 22:18:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 22:18:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2019-11-15 22:18:45,991 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2019-11-15 22:18:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:45,992 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2019-11-15 22:18:45,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-11-15 22:18:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2019-11-15 22:18:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-15 22:18:45,992 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:45,993 INFO L380 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:46,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:46,193 INFO L410 AbstractCegarLoop]: === Iteration 37 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:46,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:46,194 INFO L82 PathProgramCache]: Analyzing trace with hash -716721584, now seen corresponding path program 10 times [2019-11-15 22:18:46,194 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:46,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331234419] [2019-11-15 22:18:46,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:46,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:46,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:46,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331234419] [2019-11-15 22:18:46,675 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603239696] [2019-11-15 22:18:46,675 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:46,941 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-15 22:18:46,941 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:46,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-15 22:18:46,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:46,961 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:46,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18] total 23 [2019-11-15 22:18:46,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280506500] [2019-11-15 22:18:46,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-15 22:18:46,963 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:46,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-15 22:18:46,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2019-11-15 22:18:46,964 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 23 states. [2019-11-15 22:18:47,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:47,788 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2019-11-15 22:18:47,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 22:18:47,788 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 110 [2019-11-15 22:18:47,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:47,789 INFO L225 Difference]: With dead ends: 114 [2019-11-15 22:18:47,789 INFO L226 Difference]: Without dead ends: 112 [2019-11-15 22:18:47,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=456, Invalid=1104, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 22:18:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-15 22:18:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-15 22:18:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-15 22:18:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2019-11-15 22:18:47,792 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2019-11-15 22:18:47,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:47,792 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2019-11-15 22:18:47,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-15 22:18:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2019-11-15 22:18:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-15 22:18:47,793 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:47,793 INFO L380 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:47,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:47,994 INFO L410 AbstractCegarLoop]: === Iteration 38 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:47,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:47,994 INFO L82 PathProgramCache]: Analyzing trace with hash -32061193, now seen corresponding path program 11 times [2019-11-15 22:18:47,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:47,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425013610] [2019-11-15 22:18:47,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:47,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:18:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:48,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425013610] [2019-11-15 22:18:48,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180850770] [2019-11-15 22:18:48,478 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:49,713 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-11-15 22:18:49,713 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-15 22:18:49,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 22:18:49,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:18:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:18:49,737 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 22:18:49,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 19] total 24 [2019-11-15 22:18:49,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398968210] [2019-11-15 22:18:49,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 22:18:49,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:18:49,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 22:18:49,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2019-11-15 22:18:49,739 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 24 states. [2019-11-15 22:18:50,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:18:50,769 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2019-11-15 22:18:50,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 22:18:50,769 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 111 [2019-11-15 22:18:50,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:18:50,770 INFO L225 Difference]: With dead ends: 115 [2019-11-15 22:18:50,770 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 22:18:50,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=508, Invalid=1214, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 22:18:50,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 22:18:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-15 22:18:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 22:18:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2019-11-15 22:18:50,772 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2019-11-15 22:18:50,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:18:50,773 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2019-11-15 22:18:50,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 22:18:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2019-11-15 22:18:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-15 22:18:50,773 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:50,773 INFO L380 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:50,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:18:50,974 INFO L410 AbstractCegarLoop]: === Iteration 39 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash -282425552, now seen corresponding path program 12 times [2019-11-15 22:18:50,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:18:50,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265568925] [2019-11-15 22:18:50,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:50,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:18:50,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:18:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:18:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:18:51,205 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:18:51,205 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:18:51,223 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-11-15 22:18:51,232 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 22:18:51,237 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:18:51,237 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 22:18:51,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:18:51 BoogieIcfgContainer [2019-11-15 22:18:51,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:18:51,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:18:51,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:18:51,270 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:18:51,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:17:35" (3/4) ... [2019-11-15 22:18:51,274 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:18:51,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:18:51,276 INFO L168 Benchmark]: Toolchain (without parser) took 77874.24 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 799.5 MB). Free memory was 940.7 MB in the beginning and 1.6 GB in the end (delta: -610.5 MB). Peak memory consumption was 189.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:51,276 INFO L168 Benchmark]: CDTParser took 0.23 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 22:18:51,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:51,277 INFO L168 Benchmark]: Boogie Preprocessor took 142.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:51,277 INFO L168 Benchmark]: RCFGBuilder took 1016.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:51,279 INFO L168 Benchmark]: TraceAbstraction took 75986.49 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 657.5 MB). Free memory was 993.9 MB in the beginning and 1.6 GB in the end (delta: -557.3 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:51,279 INFO L168 Benchmark]: Witness Printer took 6.02 ms. Allocated memory is still 1.8 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:51,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 709.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1016.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75986.49 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 657.5 MB). Free memory was 993.9 MB in the beginning and 1.6 GB in the end (delta: -557.3 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.02 ms. Allocated memory is still 1.8 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 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 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L765] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L759] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L760] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}] [L741] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-1:0}] [L742] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-1:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=16] [L742] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L742] kobj = ldv_malloc(sizeof(*kobj)) [L743] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L745] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L746] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L731] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L734] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L724] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L726] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-1:0}] [L683] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}] [L726] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L727] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-1:0}, list={1:4}] [L541] list->next = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L542] list->prev = list VAL [ldv_global_msg_list={-1:0}, list={1:4}, list={1:4}] [L727] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L734] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L746] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L747] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L760] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-1:0}, ldv_kobject_create()={1:0}] [L760] kobj = ldv_kobject_create() [L761] CALL ldv_kobject_get(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L718] COND TRUE \read(*kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L719] CALL ldv_kref_get(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-1:0}] [L687] CALL ldv_atomic_add_return(1, (&kref->refcount)) VAL [\old(i)=1, ldv_global_msg_list={-1:0}, v={1:12}] [L658] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}] [L659] EXPR v->counter VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}, v->counter=1] [L659] temp = v->counter [L660] temp += i VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L661] v->counter = temp VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L662] return temp; VAL [\old(i)=1, \result=2, i=1, ldv_global_msg_list={-1:0}, temp=2, v={1:12}, v={1:12}] [L687] RET ldv_atomic_add_return(1, (&kref->refcount)) VAL [kref={1:12}, kref={1:12}, ldv_atomic_add_return(1, (&kref->refcount))=2, ldv_global_msg_list={-1:0}] [L719] RET ldv_kref_get(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L720] return kobj; VAL [\result={1:0}, kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L761] RET ldv_kobject_get(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}, ldv_kobject_get(kobj)={1:0}] [L762] CALL ldv_kobject_put(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L712] COND TRUE \read(*kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}] [L713] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) VAL [kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}] [L691] CALL, EXPR ldv_kref_sub(kref, 1, release) VAL [\old(count)=1, kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}] [L675] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) VAL [\old(i)=1, ldv_global_msg_list={-1:0}, v={1:12}] [L666] int temp; VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}] [L667] EXPR v->counter VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, v={1:12}, v={1:12}, v->counter=2] [L667] temp = v->counter [L668] temp -= i VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L669] v->counter = temp VAL [\old(i)=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L670] return temp; VAL [\old(i)=1, \result=1, i=1, ldv_global_msg_list={-1:0}, temp=1, v={1:12}, v={1:12}] [L675] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) VAL [\old(count)=1, count=1, kref={1:12}, kref={1:12}, ldv_atomic_sub_return(((int) count), (&kref->refcount))=1, ldv_global_msg_list={-1:0}, release={-1:0}, release={-1:0}] [L675] COND FALSE !((ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0)) [L679] return 0; VAL [\old(count)=1, \result=0, count=1, kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}, release={-1:0}, release={-1:0}] [L691] RET, EXPR ldv_kref_sub(kref, 1, release) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-1:0}, ldv_kref_sub(kref, 1, release)=0, release={-1:0}, release={-1:0}] [L691] return ldv_kref_sub(kref, 1, release); [L713] RET ldv_kref_put(&kobj->kref, ldv_kobject_release) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-1:0}, ldv_kref_put(&kobj->kref, ldv_kobject_release)=0] [L762] RET ldv_kobject_put(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-1:0}] [L765] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 328 locations, 71 error locations. Result: UNSAFE, OverallTime: 75.9s, OverallIterations: 39, TraceHistogramMax: 16, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3546 SDtfs, 5355 SDslu, 12361 SDs, 0 SdLazy, 37047 SolverSat, 2629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3468 GetRequests, 2461 SyntacticMatches, 5 SemanticMatches, 1002 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4995 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 38 MinimizatonAttempts, 262 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 14.8s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 4685 NumberOfCodeBlocks, 4671 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 4516 ConstructedInterpolants, 47 QuantifiedInterpolants, 1043756 SizeOfPredicates, 79 NumberOfNonLiveVariables, 9067 ConjunctsInSsa, 471 ConjunctsInUnsatCore, 57 InterpolantComputations, 23 PerfectInterpolantSequences, 63/1457 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:18:53,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:18:53,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:18:53,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:18:53,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:18:53,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:18:53,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:18:53,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:18:53,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:18:53,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:18:53,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:18:53,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:18:53,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:18:53,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:18:53,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:18:53,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:18:53,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:18:53,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:18:53,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:18:53,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:18:53,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:18:53,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:18:53,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:18:53,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:18:53,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:18:53,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:18:53,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:18:53,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:18:53,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:18:53,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:18:53,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:18:53,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:18:53,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:18:53,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:18:53,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:18:53,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:18:53,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:18:53,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:18:53,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:18:53,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:18:53,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:18:53,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 22:18:53,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:18:53,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:18:53,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:18:53,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:18:53,323 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:18:53,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:18:53,324 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:18:53,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:18:53,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:18:53,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:18:53,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:18:53,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:18:53,325 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:18:53,325 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:18:53,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:18:53,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:18:53,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:18:53,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:18:53,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:18:53,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:18:53,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:18:53,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:18:53,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:18:53,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:18:53,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:18:53,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:18:53,328 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:18:53,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:18:53,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:18:53,329 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/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 -> 9181148b15e14afa3f85d7f56edfe966974a0845 [2019-11-15 22:18:53,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:18:53,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:18:53,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:18:53,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:18:53,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:18:53,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-15 22:18:53,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/755841005/bf6e15d520e4489ab2ec0ffff944e074/FLAG89b16141a [2019-11-15 22:18:53,950 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:18:53,951 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-1.i [2019-11-15 22:18:53,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/755841005/bf6e15d520e4489ab2ec0ffff944e074/FLAG89b16141a [2019-11-15 22:18:54,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/data/755841005/bf6e15d520e4489ab2ec0ffff944e074 [2019-11-15 22:18:54,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:18:54,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:18:54,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:54,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:18:54,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:18:54,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:54" (1/1) ... [2019-11-15 22:18:54,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7648694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:54, skipping insertion in model container [2019-11-15 22:18:54,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:18:54" (1/1) ... [2019-11-15 22:18:54,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:18:54,448 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:18:54,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:54,962 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:18:55,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:18:55,123 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:18:55,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55 WrapperNode [2019-11-15 22:18:55,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:18:55,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:18:55,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:18:55,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:18:55,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... [2019-11-15 22:18:55,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:18:55,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:18:55,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:18:55,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:18:55,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/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 22:18:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:18:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:18:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:18:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 22:18:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 22:18:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 22:18:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 22:18:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 22:18:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 22:18:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:18:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:18:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:18:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:18:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:18:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:18:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:18:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:18:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:18:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:18:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:18:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:18:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:18:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:18:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:18:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:18:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:18:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:18:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:18:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:18:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:18:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:18:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:18:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:18:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:18:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:18:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:18:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:18:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:18:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:18:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 22:18:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 22:18:55,289 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:18:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 22:18:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 22:18:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 22:18:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 22:18:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 22:18:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 22:18:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:18:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 22:18:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 22:18:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 22:18:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 22:18:55,880 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:18:56,312 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 22:18:56,627 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:18:56,628 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 22:18:56,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:56 BoogieIcfgContainer [2019-11-15 22:18:56,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:18:56,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:18:56,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:18:56,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:18:56,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:18:54" (1/3) ... [2019-11-15 22:18:56,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dff17c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:56, skipping insertion in model container [2019-11-15 22:18:56,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:18:55" (2/3) ... [2019-11-15 22:18:56,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dff17c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:18:56, skipping insertion in model container [2019-11-15 22:18:56,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:18:56" (3/3) ... [2019-11-15 22:18:56,637 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-1.i [2019-11-15 22:18:56,644 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:18:56,651 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-15 22:18:56,661 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-15 22:18:56,676 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:18:56,677 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:18:56,677 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:18:56,677 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:18:56,677 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:18:56,677 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:18:56,677 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:18:56,678 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:18:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-11-15 22:18:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 22:18:56,705 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:18:56,706 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:18:56,708 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 22:18:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:18:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash 437307378, now seen corresponding path program 1 times [2019-11-15 22:18:56,722 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:18:56,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1321656494] [2019-11-15 22:18:56,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6181b168-27b8-4dc0-9ebd-344ead96241d/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:18:56,975 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:18:56,976 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 22:18:56,980 INFO L168 Benchmark]: Toolchain (without parser) took 2581.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.0 MB in the beginning and 983.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:56,980 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:18:56,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:56,982 INFO L168 Benchmark]: Boogie Preprocessor took 93.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:56,982 INFO L168 Benchmark]: RCFGBuilder took 1411.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.9 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:56,983 INFO L168 Benchmark]: TraceAbstraction took 347.14 ms. Allocated memory is still 1.2 GB. Free memory was 996.9 MB in the beginning and 983.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:18:56,989 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 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 725.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1411.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.9 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 347.14 ms. Allocated memory is still 1.2 GB. Free memory was 996.9 MB in the beginning and 983.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...