./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.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_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 2a86b9fab61553f9a54467f5b62ac500f38719cf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 2a86b9fab61553f9a54467f5b62ac500f38719cf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-16 00:14:44,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:14:44,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:14:44,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:14:44,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:14:44,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:14:44,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:14:44,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:14:44,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:14:44,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:14:44,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:14:44,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:14:44,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:14:44,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:14:44,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:14:44,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:14:44,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:14:44,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:14:44,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:14:44,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:14:44,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:14:44,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:14:44,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:14:44,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:14:44,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:14:44,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:14:44,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:14:44,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:14:44,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:14:44,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:14:44,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:14:44,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:14:44,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:14:44,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:14:44,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:14:44,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:14:44,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:14:44,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:14:44,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:14:44,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:14:44,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:14:44,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:14:44,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:14:44,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:14:44,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:14:44,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:14:44,582 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:14:44,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:14:44,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:14:44,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:14:44,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:14:44,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:14:44,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:14:44,584 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:14:44,584 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:14:44,585 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:14:44,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:14:44,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:14:44,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:14:44,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:14:44,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:14:44,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:14:44,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:14:44,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:14:44,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:14:44,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:14:44,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:14:44,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:14:44,588 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_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 -> 2a86b9fab61553f9a54467f5b62ac500f38719cf [2019-11-16 00:14:44,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:14:44,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:14:44,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:14:44,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:14:44,633 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:14:44,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-16 00:14:44,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/9695d59d3/af9bcaa01f86468ba254b33148d548c4/FLAG70d7cf766 [2019-11-16 00:14:45,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:14:45,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-16 00:14:45,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/9695d59d3/af9bcaa01f86468ba254b33148d548c4/FLAG70d7cf766 [2019-11-16 00:14:45,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/9695d59d3/af9bcaa01f86468ba254b33148d548c4 [2019-11-16 00:14:45,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:14:45,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:14:45,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:14:45,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:14:45,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:14:45,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:45" (1/1) ... [2019-11-16 00:14:45,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50abfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:45, skipping insertion in model container [2019-11-16 00:14:45,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:45" (1/1) ... [2019-11-16 00:14:45,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:14:45,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:14:45,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:14:45,936 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:14:46,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:14:46,132 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:14:46,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46 WrapperNode [2019-11-16 00:14:46,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:14:46,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:14:46,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:14:46,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:14:46,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... [2019-11-16 00:14:46,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:14:46,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:14:46,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:14:46,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:14:46,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:14:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:14:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:14:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:14:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:14:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:14:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:14:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:14:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:14:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-16 00:14:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-16 00:14:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-16 00:14:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-16 00:14:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:14:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-16 00:14:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-16 00:14:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-16 00:14:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-16 00:14:46,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-16 00:14:46,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-16 00:14:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-16 00:14:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-16 00:14:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-16 00:14:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-16 00:14:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-16 00:14:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-16 00:14:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-16 00:14:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-16 00:14:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:14:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-16 00:14:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-16 00:14:46,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-16 00:14:46,306 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:14:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:14:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:14:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:14:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:14:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:14:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:14:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:14:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:14:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:14:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:14:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:14:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:14:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:14:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:14:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:14:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:14:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:14:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:14:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:14:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:14:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:14:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:14:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:14:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:14:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:14:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-16 00:14:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-16 00:14:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-16 00:14:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-16 00:14:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:14:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-16 00:14:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-16 00:14:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:14:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:14:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-16 00:14:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-16 00:14:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-16 00:14:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-16 00:14:46,911 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:14:47,254 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:14:47,565 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:14:47,565 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-16 00:14:47,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:47 BoogieIcfgContainer [2019-11-16 00:14:47,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:14:47,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:14:47,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:14:47,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:14:47,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:14:45" (1/3) ... [2019-11-16 00:14:47,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c28005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:14:47, skipping insertion in model container [2019-11-16 00:14:47,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:46" (2/3) ... [2019-11-16 00:14:47,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c28005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:14:47, skipping insertion in model container [2019-11-16 00:14:47,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:47" (3/3) ... [2019-11-16 00:14:47,587 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-1.i [2019-11-16 00:14:47,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:14:47,608 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-16 00:14:47,619 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-16 00:14:47,641 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:14:47,641 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:14:47,641 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:14:47,641 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:14:47,641 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:14:47,641 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:14:47,642 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:14:47,642 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:14:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-11-16 00:14:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:14:47,682 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:47,683 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:14:47,685 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:47,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1254069929, now seen corresponding path program 1 times [2019-11-16 00:14:47,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:47,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466021159] [2019-11-16 00:14:47,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:47,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:47,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:48,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466021159] [2019-11-16 00:14:48,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:48,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:14:48,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488775637] [2019-11-16 00:14:48,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:14:48,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:48,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:14:48,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:14:48,052 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 7 states. [2019-11-16 00:14:48,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:48,601 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2019-11-16 00:14:48,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:14:48,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-16 00:14:48,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:48,622 INFO L225 Difference]: With dead ends: 79 [2019-11-16 00:14:48,622 INFO L226 Difference]: Without dead ends: 68 [2019-11-16 00:14:48,625 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:14:48,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-16 00:14:48,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2019-11-16 00:14:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-16 00:14:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2019-11-16 00:14:48,693 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 17 [2019-11-16 00:14:48,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:48,693 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2019-11-16 00:14:48,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:14:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2019-11-16 00:14:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:14:48,695 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:48,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:14:48,696 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:48,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1254069928, now seen corresponding path program 1 times [2019-11-16 00:14:48,696 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:48,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694081167] [2019-11-16 00:14:48,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:48,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:48,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:49,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694081167] [2019-11-16 00:14:49,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:49,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:14:49,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547361783] [2019-11-16 00:14:49,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:14:49,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:49,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:14:49,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:14:49,004 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 8 states. [2019-11-16 00:14:49,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:49,456 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2019-11-16 00:14:49,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:14:49,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-16 00:14:49,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:49,458 INFO L225 Difference]: With dead ends: 67 [2019-11-16 00:14:49,458 INFO L226 Difference]: Without dead ends: 67 [2019-11-16 00:14:49,459 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 [2019-11-16 00:14:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-16 00:14:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-16 00:14:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-16 00:14:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2019-11-16 00:14:49,467 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 17 [2019-11-16 00:14:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:49,468 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2019-11-16 00:14:49,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:14:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2019-11-16 00:14:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:14:49,469 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:49,469 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:14:49,470 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:49,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1225440778, now seen corresponding path program 1 times [2019-11-16 00:14:49,471 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:49,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192594913] [2019-11-16 00:14:49,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:49,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:49,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:49,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192594913] [2019-11-16 00:14:49,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:49,609 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:14:49,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964879526] [2019-11-16 00:14:49,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:14:49,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:49,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:14:49,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:14:49,610 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 7 states. [2019-11-16 00:14:50,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:50,004 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2019-11-16 00:14:50,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:14:50,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-16 00:14:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:50,008 INFO L225 Difference]: With dead ends: 64 [2019-11-16 00:14:50,008 INFO L226 Difference]: Without dead ends: 60 [2019-11-16 00:14:50,009 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 [2019-11-16 00:14:50,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-16 00:14:50,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2019-11-16 00:14:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-16 00:14:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2019-11-16 00:14:50,024 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 17 [2019-11-16 00:14:50,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:50,024 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2019-11-16 00:14:50,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:14:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2019-11-16 00:14:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-16 00:14:50,026 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:50,026 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:14:50,026 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1051164674, now seen corresponding path program 1 times [2019-11-16 00:14:50,027 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:50,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848560530] [2019-11-16 00:14:50,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:50,028 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:50,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:50,182 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848560530] [2019-11-16 00:14:50,182 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:50,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:14:50,183 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442285001] [2019-11-16 00:14:50,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:14:50,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:50,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:14:50,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:14:50,184 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 8 states. [2019-11-16 00:14:50,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:50,473 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2019-11-16 00:14:50,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:14:50,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-16 00:14:50,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:50,480 INFO L225 Difference]: With dead ends: 65 [2019-11-16 00:14:50,480 INFO L226 Difference]: Without dead ends: 65 [2019-11-16 00:14:50,480 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:14:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-16 00:14:50,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58. [2019-11-16 00:14:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-16 00:14:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-11-16 00:14:50,495 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2019-11-16 00:14:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:50,495 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-11-16 00:14:50,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:14:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-11-16 00:14:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:14:50,499 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:50,500 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] [2019-11-16 00:14:50,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1605605604, now seen corresponding path program 1 times [2019-11-16 00:14:50,502 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:50,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426573393] [2019-11-16 00:14:50,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:50,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:50,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:50,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426573393] [2019-11-16 00:14:50,804 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:50,804 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-16 00:14:50,804 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418479392] [2019-11-16 00:14:50,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-16 00:14:50,805 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-16 00:14:50,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:14:50,806 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 14 states. [2019-11-16 00:14:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:51,729 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2019-11-16 00:14:51,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-16 00:14:51,730 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2019-11-16 00:14:51,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:51,731 INFO L225 Difference]: With dead ends: 74 [2019-11-16 00:14:51,731 INFO L226 Difference]: Without dead ends: 74 [2019-11-16 00:14:51,732 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:14:51,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-16 00:14:51,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 57. [2019-11-16 00:14:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-16 00:14:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-11-16 00:14:51,740 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 32 [2019-11-16 00:14:51,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:51,741 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-11-16 00:14:51,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-16 00:14:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-11-16 00:14:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:14:51,742 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:51,742 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] [2019-11-16 00:14:51,743 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:51,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:51,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1605605605, now seen corresponding path program 1 times [2019-11-16 00:14:51,743 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:51,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178919148] [2019-11-16 00:14:51,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:51,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:51,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:51,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178919148] [2019-11-16 00:14:51,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:51,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:14:51,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008776274] [2019-11-16 00:14:51,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:14:51,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:51,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:14:51,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:14:51,888 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2019-11-16 00:14:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:52,200 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2019-11-16 00:14:52,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:14:52,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-16 00:14:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:52,201 INFO L225 Difference]: With dead ends: 64 [2019-11-16 00:14:52,201 INFO L226 Difference]: Without dead ends: 62 [2019-11-16 00:14:52,202 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 [2019-11-16 00:14:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-16 00:14:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2019-11-16 00:14:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-16 00:14:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-11-16 00:14:52,209 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 32 [2019-11-16 00:14:52,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:52,209 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-11-16 00:14:52,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:14:52,209 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-11-16 00:14:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-16 00:14:52,210 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:52,210 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] [2019-11-16 00:14:52,211 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:52,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:52,211 INFO L82 PathProgramCache]: Analyzing trace with hash -940052528, now seen corresponding path program 1 times [2019-11-16 00:14:52,211 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:52,212 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668131704] [2019-11-16 00:14:52,212 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:52,212 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:52,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:14:52,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668131704] [2019-11-16 00:14:52,505 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:52,505 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-16 00:14:52,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010535370] [2019-11-16 00:14:52,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:14:52,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:52,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:14:52,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:14:52,506 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 15 states. [2019-11-16 00:14:53,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:53,523 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2019-11-16 00:14:53,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-16 00:14:53,524 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 33 [2019-11-16 00:14:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:53,525 INFO L225 Difference]: With dead ends: 61 [2019-11-16 00:14:53,525 INFO L226 Difference]: Without dead ends: 61 [2019-11-16 00:14:53,526 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 [2019-11-16 00:14:53,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-16 00:14:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2019-11-16 00:14:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-16 00:14:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-11-16 00:14:53,532 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 33 [2019-11-16 00:14:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:53,532 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-11-16 00:14:53,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:14:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-11-16 00:14:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-16 00:14:53,534 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:53,534 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] [2019-11-16 00:14:53,534 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:53,535 INFO L82 PathProgramCache]: Analyzing trace with hash -756456838, now seen corresponding path program 1 times [2019-11-16 00:14:53,535 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:53,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214067895] [2019-11-16 00:14:53,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:53,536 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:53,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:14:53,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214067895] [2019-11-16 00:14:53,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:53,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-16 00:14:53,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209602762] [2019-11-16 00:14:53,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-16 00:14:53,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:53,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-16 00:14:53,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:14:53,751 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 14 states. [2019-11-16 00:14:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:54,508 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2019-11-16 00:14:54,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-16 00:14:54,508 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2019-11-16 00:14:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:54,510 INFO L225 Difference]: With dead ends: 59 [2019-11-16 00:14:54,510 INFO L226 Difference]: Without dead ends: 59 [2019-11-16 00:14:54,510 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:14:54,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-16 00:14:54,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2019-11-16 00:14:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-16 00:14:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2019-11-16 00:14:54,516 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 38 [2019-11-16 00:14:54,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:54,516 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2019-11-16 00:14:54,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-16 00:14:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2019-11-16 00:14:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-16 00:14:54,518 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:54,518 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] [2019-11-16 00:14:54,518 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:54,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:54,519 INFO L82 PathProgramCache]: Analyzing trace with hash -756456837, now seen corresponding path program 1 times [2019-11-16 00:14:54,519 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:54,519 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976197339] [2019-11-16 00:14:54,519 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:54,519 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:54,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:14:54,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976197339] [2019-11-16 00:14:54,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:54,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-16 00:14:54,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964705165] [2019-11-16 00:14:54,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:14:54,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:54,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:14:54,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:14:54,892 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 15 states. [2019-11-16 00:14:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:55,910 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-11-16 00:14:55,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-16 00:14:55,911 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2019-11-16 00:14:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:55,912 INFO L225 Difference]: With dead ends: 57 [2019-11-16 00:14:55,912 INFO L226 Difference]: Without dead ends: 57 [2019-11-16 00:14:55,913 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2019-11-16 00:14:55,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-16 00:14:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2019-11-16 00:14:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-16 00:14:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2019-11-16 00:14:55,917 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 38 [2019-11-16 00:14:55,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:55,918 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2019-11-16 00:14:55,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:14:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2019-11-16 00:14:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-16 00:14:55,919 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:55,919 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] [2019-11-16 00:14:55,920 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:55,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:55,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1507951314, now seen corresponding path program 1 times [2019-11-16 00:14:55,920 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:55,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895160229] [2019-11-16 00:14:55,921 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:55,921 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:55,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:14:56,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895160229] [2019-11-16 00:14:56,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:56,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-16 00:14:56,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843978506] [2019-11-16 00:14:56,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-16 00:14:56,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:56,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-16 00:14:56,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:14:56,170 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 11 states. [2019-11-16 00:14:56,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:56,650 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2019-11-16 00:14:56,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:14:56,650 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2019-11-16 00:14:56,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:56,651 INFO L225 Difference]: With dead ends: 59 [2019-11-16 00:14:56,651 INFO L226 Difference]: Without dead ends: 57 [2019-11-16 00:14:56,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:14:56,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-16 00:14:56,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2019-11-16 00:14:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-16 00:14:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2019-11-16 00:14:56,656 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 36 [2019-11-16 00:14:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:56,656 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2019-11-16 00:14:56,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-16 00:14:56,657 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2019-11-16 00:14:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-16 00:14:56,658 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:56,658 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] [2019-11-16 00:14:56,658 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:56,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1295812933, now seen corresponding path program 1 times [2019-11-16 00:14:56,659 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:56,659 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881211217] [2019-11-16 00:14:56,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:56,659 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:56,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:14:56,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881211217] [2019-11-16 00:14:56,941 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:14:56,941 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-16 00:14:56,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443504933] [2019-11-16 00:14:56,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:14:56,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:56,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:14:56,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:14:56,943 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 13 states. [2019-11-16 00:14:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:57,504 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2019-11-16 00:14:57,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-16 00:14:57,504 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2019-11-16 00:14:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:57,505 INFO L225 Difference]: With dead ends: 57 [2019-11-16 00:14:57,505 INFO L226 Difference]: Without dead ends: 53 [2019-11-16 00:14:57,506 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2019-11-16 00:14:57,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-16 00:14:57,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-16 00:14:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-16 00:14:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2019-11-16 00:14:57,509 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 41 [2019-11-16 00:14:57,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:57,509 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2019-11-16 00:14:57,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:14:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2019-11-16 00:14:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-16 00:14:57,511 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:57,511 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] [2019-11-16 00:14:57,512 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:57,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:57,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1073827536, now seen corresponding path program 1 times [2019-11-16 00:14:57,512 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:57,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001114529] [2019-11-16 00:14:57,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:57,513 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:57,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:57,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001114529] [2019-11-16 00:14:57,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818809044] [2019-11-16 00:14:57,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:14:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:57,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:14:57,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:14:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:58,020 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:14:58,021 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2019-11-16 00:14:58,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786812400] [2019-11-16 00:14:58,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:14:58,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:58,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:14:58,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:14:58,024 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 9 states. [2019-11-16 00:14:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:58,368 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2019-11-16 00:14:58,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:14:58,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2019-11-16 00:14:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:58,370 INFO L225 Difference]: With dead ends: 56 [2019-11-16 00:14:58,370 INFO L226 Difference]: Without dead ends: 54 [2019-11-16 00:14:58,370 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:14:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-16 00:14:58,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-11-16 00:14:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-16 00:14:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2019-11-16 00:14:58,374 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2019-11-16 00:14:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:58,374 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2019-11-16 00:14:58,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:14:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2019-11-16 00:14:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-16 00:14:58,375 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:58,376 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] [2019-11-16 00:14:58,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:14:58,584 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:58,584 INFO L82 PathProgramCache]: Analyzing trace with hash -785907141, now seen corresponding path program 2 times [2019-11-16 00:14:58,585 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:58,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734705685] [2019-11-16 00:14:58,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:58,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:58,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:58,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734705685] [2019-11-16 00:14:58,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741315172] [2019-11-16 00:14:58,802 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:14:59,026 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-16 00:14:59,026 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:14:59,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-16 00:14:59,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:14:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:59,047 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:14:59,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 10 [2019-11-16 00:14:59,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277871199] [2019-11-16 00:14:59,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-16 00:14:59,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:14:59,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-16 00:14:59,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:14:59,049 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 10 states. [2019-11-16 00:14:59,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:14:59,520 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2019-11-16 00:14:59,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:14:59,521 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2019-11-16 00:14:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:14:59,522 INFO L225 Difference]: With dead ends: 57 [2019-11-16 00:14:59,522 INFO L226 Difference]: Without dead ends: 55 [2019-11-16 00:14:59,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:14:59,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-16 00:14:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-16 00:14:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-16 00:14:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2019-11-16 00:14:59,526 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2019-11-16 00:14:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:14:59,526 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2019-11-16 00:14:59,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-16 00:14:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2019-11-16 00:14:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-16 00:14:59,528 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:14:59,528 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] [2019-11-16 00:14:59,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:14:59,729 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:14:59,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:14:59,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1691860016, now seen corresponding path program 3 times [2019-11-16 00:14:59,730 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:14:59,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668711956] [2019-11-16 00:14:59,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:59,730 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:14:59,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:14:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:14:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:14:59,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668711956] [2019-11-16 00:14:59,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973388252] [2019-11-16 00:14:59,979 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:00,277 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-16 00:15:00,278 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:00,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:15:00,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:00,291 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:00,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 11 [2019-11-16 00:15:00,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541181298] [2019-11-16 00:15:00,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-16 00:15:00,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:00,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-16 00:15:00,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:15:00,293 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 11 states. [2019-11-16 00:15:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:00,733 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2019-11-16 00:15:00,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:15:00,734 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-11-16 00:15:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:00,734 INFO L225 Difference]: With dead ends: 58 [2019-11-16 00:15:00,735 INFO L226 Difference]: Without dead ends: 56 [2019-11-16 00:15:00,735 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-11-16 00:15:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-16 00:15:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-11-16 00:15:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-16 00:15:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2019-11-16 00:15:00,739 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2019-11-16 00:15:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:00,739 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2019-11-16 00:15:00,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-16 00:15:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2019-11-16 00:15:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-16 00:15:00,740 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:00,740 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] [2019-11-16 00:15:00,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:00,950 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:00,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:00,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1193230555, now seen corresponding path program 4 times [2019-11-16 00:15:00,951 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:00,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929894128] [2019-11-16 00:15:00,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:00,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:00,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:01,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929894128] [2019-11-16 00:15:01,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703862845] [2019-11-16 00:15:01,210 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:01,391 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-16 00:15:01,391 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:01,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:15:01,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:01,403 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:01,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 12 [2019-11-16 00:15:01,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787636223] [2019-11-16 00:15:01,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:15:01,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:01,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:15:01,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:15:01,405 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 12 states. [2019-11-16 00:15:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:01,784 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2019-11-16 00:15:01,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:15:01,785 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2019-11-16 00:15:01,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:01,785 INFO L225 Difference]: With dead ends: 59 [2019-11-16 00:15:01,786 INFO L226 Difference]: Without dead ends: 57 [2019-11-16 00:15:01,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-16 00:15:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-16 00:15:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-16 00:15:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-16 00:15:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2019-11-16 00:15:01,789 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2019-11-16 00:15:01,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:01,789 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2019-11-16 00:15:01,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:15:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2019-11-16 00:15:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-16 00:15:01,790 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:01,790 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] [2019-11-16 00:15:01,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:01,991 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:01,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:01,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1379380848, now seen corresponding path program 5 times [2019-11-16 00:15:01,992 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:01,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746007628] [2019-11-16 00:15:01,992 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:01,992 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:01,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:02,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746007628] [2019-11-16 00:15:02,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931148113] [2019-11-16 00:15:02,234 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:02,462 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-16 00:15:02,462 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:02,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-16 00:15:02,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:02,476 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:02,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 13 [2019-11-16 00:15:02,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234218088] [2019-11-16 00:15:02,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:15:02,477 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:02,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:15:02,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:15:02,478 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 13 states. [2019-11-16 00:15:02,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:02,946 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2019-11-16 00:15:02,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:15:02,946 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2019-11-16 00:15:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:02,947 INFO L225 Difference]: With dead ends: 60 [2019-11-16 00:15:02,947 INFO L226 Difference]: Without dead ends: 58 [2019-11-16 00:15:02,948 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:15:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-11-16 00:15:02,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-11-16 00:15:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-16 00:15:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2019-11-16 00:15:02,951 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2019-11-16 00:15:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:02,951 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2019-11-16 00:15:02,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:15:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2019-11-16 00:15:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-16 00:15:02,953 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:02,953 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] [2019-11-16 00:15:03,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:03,154 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:03,154 INFO L82 PathProgramCache]: Analyzing trace with hash 474044283, now seen corresponding path program 6 times [2019-11-16 00:15:03,154 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:03,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160402392] [2019-11-16 00:15:03,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:03,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:03,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:03,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160402392] [2019-11-16 00:15:03,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747253332] [2019-11-16 00:15:03,482 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:03,907 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2019-11-16 00:15:03,907 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:03,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:15:03,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:03,951 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:03,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 14 [2019-11-16 00:15:03,951 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819991935] [2019-11-16 00:15:03,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-16 00:15:03,952 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:03,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-16 00:15:03,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:15:03,953 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 14 states. [2019-11-16 00:15:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:04,388 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-11-16 00:15:04,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-16 00:15:04,388 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2019-11-16 00:15:04,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:04,389 INFO L225 Difference]: With dead ends: 61 [2019-11-16 00:15:04,389 INFO L226 Difference]: Without dead ends: 59 [2019-11-16 00:15:04,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2019-11-16 00:15:04,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-16 00:15:04,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-16 00:15:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-16 00:15:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2019-11-16 00:15:04,393 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2019-11-16 00:15:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:04,393 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2019-11-16 00:15:04,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-16 00:15:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2019-11-16 00:15:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-16 00:15:04,394 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:04,394 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] [2019-11-16 00:15:04,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:04,595 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:04,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2095648496, now seen corresponding path program 7 times [2019-11-16 00:15:04,596 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:04,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966901421] [2019-11-16 00:15:04,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:04,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:04,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:04,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966901421] [2019-11-16 00:15:04,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993325785] [2019-11-16 00:15:04,872 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:15:05,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:05,088 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:05,088 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 15 [2019-11-16 00:15:05,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347967877] [2019-11-16 00:15:05,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:15:05,089 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:05,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:15:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:15:05,090 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 15 states. [2019-11-16 00:15:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:05,563 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2019-11-16 00:15:05,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-16 00:15:05,563 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 58 [2019-11-16 00:15:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:05,564 INFO L225 Difference]: With dead ends: 62 [2019-11-16 00:15:05,564 INFO L226 Difference]: Without dead ends: 60 [2019-11-16 00:15:05,564 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2019-11-16 00:15:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-16 00:15:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-16 00:15:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-16 00:15:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2019-11-16 00:15:05,567 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2019-11-16 00:15:05,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:05,568 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2019-11-16 00:15:05,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:15:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2019-11-16 00:15:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-16 00:15:05,568 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:05,569 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] [2019-11-16 00:15:05,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:05,770 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:05,770 INFO L82 PathProgramCache]: Analyzing trace with hash 825771547, now seen corresponding path program 8 times [2019-11-16 00:15:05,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:05,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692901587] [2019-11-16 00:15:05,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:05,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:05,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:06,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692901587] [2019-11-16 00:15:06,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519118557] [2019-11-16 00:15:06,087 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:06,292 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-16 00:15:06,292 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:06,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:15:06,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:06,306 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:06,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 16 [2019-11-16 00:15:06,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041321702] [2019-11-16 00:15:06,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-16 00:15:06,307 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:06,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-16 00:15:06,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-11-16 00:15:06,308 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 16 states. [2019-11-16 00:15:06,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:06,952 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-11-16 00:15:06,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-16 00:15:06,953 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 59 [2019-11-16 00:15:06,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:06,953 INFO L225 Difference]: With dead ends: 63 [2019-11-16 00:15:06,953 INFO L226 Difference]: Without dead ends: 61 [2019-11-16 00:15:06,954 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:15:06,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-16 00:15:06,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-16 00:15:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-16 00:15:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2019-11-16 00:15:06,956 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2019-11-16 00:15:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:06,956 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2019-11-16 00:15:06,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-16 00:15:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2019-11-16 00:15:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-16 00:15:06,957 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:06,957 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] [2019-11-16 00:15:07,157 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:07,159 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:07,160 INFO L82 PathProgramCache]: Analyzing trace with hash 114291792, now seen corresponding path program 9 times [2019-11-16 00:15:07,160 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:07,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268973768] [2019-11-16 00:15:07,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:07,160 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:07,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:07,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268973768] [2019-11-16 00:15:07,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711333536] [2019-11-16 00:15:07,488 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:09,906 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2019-11-16 00:15:09,907 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:09,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-16 00:15:09,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:09,923 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:09,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 17 [2019-11-16 00:15:09,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810235344] [2019-11-16 00:15:09,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-16 00:15:09,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-16 00:15:09,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2019-11-16 00:15:09,925 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 17 states. [2019-11-16 00:15:10,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:10,370 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2019-11-16 00:15:10,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-16 00:15:10,370 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 60 [2019-11-16 00:15:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:10,371 INFO L225 Difference]: With dead ends: 64 [2019-11-16 00:15:10,371 INFO L226 Difference]: Without dead ends: 62 [2019-11-16 00:15:10,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2019-11-16 00:15:10,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-16 00:15:10,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-16 00:15:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-16 00:15:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2019-11-16 00:15:10,374 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2019-11-16 00:15:10,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:10,374 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2019-11-16 00:15:10,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-16 00:15:10,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2019-11-16 00:15:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-16 00:15:10,375 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:10,375 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] [2019-11-16 00:15:10,576 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:10,576 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:10,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:10,577 INFO L82 PathProgramCache]: Analyzing trace with hash -466744133, now seen corresponding path program 10 times [2019-11-16 00:15:10,577 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:10,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075109827] [2019-11-16 00:15:10,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:10,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:10,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:10,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075109827] [2019-11-16 00:15:10,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981752488] [2019-11-16 00:15:10,924 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:11,109 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-16 00:15:11,110 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:11,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-16 00:15:11,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:11,123 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:11,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 18 [2019-11-16 00:15:11,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562188978] [2019-11-16 00:15:11,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-16 00:15:11,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:11,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-16 00:15:11,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:15:11,125 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 18 states. [2019-11-16 00:15:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:11,660 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2019-11-16 00:15:11,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-16 00:15:11,661 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 61 [2019-11-16 00:15:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:11,661 INFO L225 Difference]: With dead ends: 65 [2019-11-16 00:15:11,662 INFO L226 Difference]: Without dead ends: 63 [2019-11-16 00:15:11,662 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=272, Invalid=658, Unknown=0, NotChecked=0, Total=930 [2019-11-16 00:15:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-16 00:15:11,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-16 00:15:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-16 00:15:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-11-16 00:15:11,665 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2019-11-16 00:15:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:11,666 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-11-16 00:15:11,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-16 00:15:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-11-16 00:15:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-16 00:15:11,667 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:11,667 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] [2019-11-16 00:15:11,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:11,868 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1298988624, now seen corresponding path program 11 times [2019-11-16 00:15:11,868 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:11,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610744251] [2019-11-16 00:15:11,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:11,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:11,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:12,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610744251] [2019-11-16 00:15:12,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858439712] [2019-11-16 00:15:12,258 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:12,807 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-11-16 00:15:12,808 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:12,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-16 00:15:12,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:12,824 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:12,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 19 [2019-11-16 00:15:12,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683395835] [2019-11-16 00:15:12,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-16 00:15:12,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:12,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-16 00:15:12,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2019-11-16 00:15:12,826 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 19 states. [2019-11-16 00:15:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:13,508 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2019-11-16 00:15:13,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-16 00:15:13,510 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 62 [2019-11-16 00:15:13,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:13,511 INFO L225 Difference]: With dead ends: 66 [2019-11-16 00:15:13,511 INFO L226 Difference]: Without dead ends: 64 [2019-11-16 00:15:13,512 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=312, Invalid=744, Unknown=0, NotChecked=0, Total=1056 [2019-11-16 00:15:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-16 00:15:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-11-16 00:15:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-16 00:15:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2019-11-16 00:15:13,516 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2019-11-16 00:15:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:13,516 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2019-11-16 00:15:13,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-16 00:15:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2019-11-16 00:15:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-16 00:15:13,518 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:13,518 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] [2019-11-16 00:15:13,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:13,723 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:13,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1328764069, now seen corresponding path program 12 times [2019-11-16 00:15:13,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:13,724 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071397644] [2019-11-16 00:15:13,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:13,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:13,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:14,143 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071397644] [2019-11-16 00:15:14,143 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864168502] [2019-11-16 00:15:14,143 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:20,452 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-11-16 00:15:20,452 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:20,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-16 00:15:20,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:20,471 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:20,472 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 20 [2019-11-16 00:15:20,472 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143051150] [2019-11-16 00:15:20,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-16 00:15:20,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:20,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-16 00:15:20,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2019-11-16 00:15:20,474 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 20 states. [2019-11-16 00:15:21,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:21,136 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2019-11-16 00:15:21,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-16 00:15:21,140 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2019-11-16 00:15:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:21,141 INFO L225 Difference]: With dead ends: 67 [2019-11-16 00:15:21,141 INFO L226 Difference]: Without dead ends: 65 [2019-11-16 00:15:21,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=355, Invalid=835, Unknown=0, NotChecked=0, Total=1190 [2019-11-16 00:15:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-16 00:15:21,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-16 00:15:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-16 00:15:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-11-16 00:15:21,144 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2019-11-16 00:15:21,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:21,145 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-11-16 00:15:21,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-16 00:15:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-11-16 00:15:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-16 00:15:21,146 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:21,146 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] [2019-11-16 00:15:21,353 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:21,353 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:21,354 INFO L82 PathProgramCache]: Analyzing trace with hash 2043164432, now seen corresponding path program 13 times [2019-11-16 00:15:21,354 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:21,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332290925] [2019-11-16 00:15:21,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:21,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:21,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:21,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332290925] [2019-11-16 00:15:21,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985378805] [2019-11-16 00:15:21,755 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:21,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-16 00:15:21,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:21,985 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:21,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 21 [2019-11-16 00:15:21,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657985569] [2019-11-16 00:15:21,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-16 00:15:21,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:21,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-16 00:15:21,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:15:21,987 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 21 states. [2019-11-16 00:15:22,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:22,835 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-11-16 00:15:22,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-16 00:15:22,835 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 64 [2019-11-16 00:15:22,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:22,836 INFO L225 Difference]: With dead ends: 68 [2019-11-16 00:15:22,836 INFO L226 Difference]: Without dead ends: 66 [2019-11-16 00:15:22,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=401, Invalid=931, Unknown=0, NotChecked=0, Total=1332 [2019-11-16 00:15:22,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-16 00:15:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-11-16 00:15:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-16 00:15:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2019-11-16 00:15:22,840 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2019-11-16 00:15:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:22,841 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2019-11-16 00:15:22,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-16 00:15:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2019-11-16 00:15:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-16 00:15:22,842 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:22,842 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] [2019-11-16 00:15:23,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:23,047 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:23,048 INFO L82 PathProgramCache]: Analyzing trace with hash -801234437, now seen corresponding path program 14 times [2019-11-16 00:15:23,048 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:23,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229011248] [2019-11-16 00:15:23,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:23,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:23,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:23,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229011248] [2019-11-16 00:15:23,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963389282] [2019-11-16 00:15:23,536 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:23,775 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-16 00:15:23,775 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:23,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-16 00:15:23,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:23,805 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:23,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 22 [2019-11-16 00:15:23,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345757087] [2019-11-16 00:15:23,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-16 00:15:23,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:23,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-16 00:15:23,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2019-11-16 00:15:23,808 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 22 states. [2019-11-16 00:15:24,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:24,806 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2019-11-16 00:15:24,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-16 00:15:24,806 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 65 [2019-11-16 00:15:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:24,807 INFO L225 Difference]: With dead ends: 69 [2019-11-16 00:15:24,807 INFO L226 Difference]: Without dead ends: 67 [2019-11-16 00:15:24,808 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=450, Invalid=1032, Unknown=0, NotChecked=0, Total=1482 [2019-11-16 00:15:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-16 00:15:24,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-16 00:15:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-16 00:15:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2019-11-16 00:15:24,810 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2019-11-16 00:15:24,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:24,811 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2019-11-16 00:15:24,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-16 00:15:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2019-11-16 00:15:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-16 00:15:24,812 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:24,812 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] [2019-11-16 00:15:25,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:25,013 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:25,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:25,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1216713840, now seen corresponding path program 15 times [2019-11-16 00:15:25,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:25,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090137736] [2019-11-16 00:15:25,013 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:25,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:25,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:25,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090137736] [2019-11-16 00:15:25,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830229132] [2019-11-16 00:15:25,425 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:42,267 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-11-16 00:15:42,268 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:15:42,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-16 00:15:42,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:42,827 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:15:42,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2019-11-16 00:15:42,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051316145] [2019-11-16 00:15:42,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-11-16 00:15:42,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:42,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-11-16 00:15:42,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2019-11-16 00:15:42,829 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 44 states. [2019-11-16 00:15:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:43,963 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-11-16 00:15:43,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-16 00:15:43,964 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 66 [2019-11-16 00:15:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:15:43,964 INFO L225 Difference]: With dead ends: 70 [2019-11-16 00:15:43,964 INFO L226 Difference]: Without dead ends: 68 [2019-11-16 00:15:43,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1181 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1017, Invalid=3405, Unknown=0, NotChecked=0, Total=4422 [2019-11-16 00:15:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-16 00:15:43,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-16 00:15:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-16 00:15:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2019-11-16 00:15:43,968 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2019-11-16 00:15:43,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:15:43,969 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2019-11-16 00:15:43,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-11-16 00:15:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2019-11-16 00:15:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-16 00:15:43,970 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:43,970 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] [2019-11-16 00:15:44,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:15:44,171 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:44,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash -651399013, now seen corresponding path program 16 times [2019-11-16 00:15:44,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:44,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659101148] [2019-11-16 00:15:44,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:44,172 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:44,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:44,273 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:15:44,273 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:15:44,301 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2019-11-16 00:15:44,305 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-16 00:15:44,318 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# [2019-11-16 00:15:44,319 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# [2019-11-16 00:15:44,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:15:44 BoogieIcfgContainer [2019-11-16 00:15:44,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:15:44,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:15:44,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:15:44,337 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:15:44,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:47" (3/4) ... [2019-11-16 00:15:44,344 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:15:44,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:15:44,349 INFO L168 Benchmark]: Toolchain (without parser) took 58920.28 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 579.9 MB). Free memory was 940.8 MB in the beginning and 937.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 583.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:44,349 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:44,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:44,350 INFO L168 Benchmark]: Boogie Preprocessor took 92.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:44,350 INFO L168 Benchmark]: RCFGBuilder took 1340.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:44,351 INFO L168 Benchmark]: TraceAbstraction took 56767.38 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.8 MB). Free memory was 1.0 GB in the beginning and 937.2 MB in the end (delta: 77.3 MB). Peak memory consumption was 494.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:44,351 INFO L168 Benchmark]: Witness Printer took 7.25 ms. Allocated memory is still 1.6 GB. Free memory is still 937.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:44,352 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 707.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1340.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56767.38 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 416.8 MB). Free memory was 1.0 GB in the beginning and 937.2 MB in the end (delta: 77.3 MB). Peak memory consumption was 494.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.25 ms. Allocated memory is still 1.6 GB. Free memory is still 937.2 MB. 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: 762]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 762. 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}] [L763] 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() [L763] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 325 locations, 71 error locations. Result: UNSAFE, OverallTime: 56.6s, OverallIterations: 27, TraceHistogramMax: 16, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1022 SDtfs, 1497 SDslu, 4233 SDs, 0 SdLazy, 8387 SolverSat, 1157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1787 GetRequests, 1209 SyntacticMatches, 0 SemanticMatches, 578 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2748 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 26 MinimizatonAttempts, 47 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 26.4s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 2160 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 2052 ConstructedInterpolants, 0 QuantifiedInterpolants, 274013 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4410 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 41 InterpolantComputations, 11 PerfectInterpolantSequences, 5/1365 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 [2019-11-16 00:15:46,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:15:46,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:15:46,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:15:46,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:15:46,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:15:46,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:15:46,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:15:46,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:15:46,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:15:46,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:15:46,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:15:46,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:15:46,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:15:46,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:15:46,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:15:46,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:15:46,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:15:46,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:15:46,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:15:46,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:15:46,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:15:46,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:15:46,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:15:46,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:15:46,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:15:46,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:15:46,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:15:46,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:15:46,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:15:46,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:15:46,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:15:46,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:15:46,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:15:46,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:15:46,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:15:46,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:15:46,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:15:46,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:15:46,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:15:46,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:15:46,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-16 00:15:46,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:15:46,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:15:46,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:15:46,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:15:46,818 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:15:46,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:15:46,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:15:46,819 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:15:46,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:15:46,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:15:46,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:15:46,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:15:46,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:15:46,821 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:15:46,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:15:46,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:15:46,822 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:15:46,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:15:46,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:15:46,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:15:46,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:15:46,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:15:46,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:15:46,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:15:46,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:15:46,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:15:46,825 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:15:46,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:15:46,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:15:46,826 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_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 -> 2a86b9fab61553f9a54467f5b62ac500f38719cf [2019-11-16 00:15:46,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:15:46,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:15:46,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:15:46,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:15:46,889 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:15:46,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-16 00:15:46,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/1e1dc302f/1928a948a5214d63b5154625e84c1e62/FLAG420fcc920 [2019-11-16 00:15:47,503 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:15:47,504 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-1.i [2019-11-16 00:15:47,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/1e1dc302f/1928a948a5214d63b5154625e84c1e62/FLAG420fcc920 [2019-11-16 00:15:47,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/bin/uautomizer/data/1e1dc302f/1928a948a5214d63b5154625e84c1e62 [2019-11-16 00:15:47,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:15:47,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:15:47,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:47,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:15:47,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:15:47,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:47" (1/1) ... [2019-11-16 00:15:47,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790443d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:47, skipping insertion in model container [2019-11-16 00:15:47,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:47" (1/1) ... [2019-11-16 00:15:47,771 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:15:47,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:15:48,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:48,297 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:15:48,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:48,494 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:15:48,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48 WrapperNode [2019-11-16 00:15:48,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:48,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:15:48,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:15:48,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:15:48,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... [2019-11-16 00:15:48,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:15:48,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:15:48,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:15:48,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:15:48,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:15:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:15:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:15:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:15:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-16 00:15:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-16 00:15:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-16 00:15:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-16 00:15:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-16 00:15:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-16 00:15:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-16 00:15:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-16 00:15:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-16 00:15:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-16 00:15:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-16 00:15:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-16 00:15:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-16 00:15:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-16 00:15:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-16 00:15:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-16 00:15:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:15:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:15:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:15:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:15:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:15:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:15:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:15:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:15:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:15:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:15:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:15:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:15:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:15:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:15:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:15:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:15:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:15:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:15:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:15:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:15:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:15:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:15:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:15:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:15:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:15:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:15:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:15:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:15:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:15:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:15:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:15:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:15:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:15:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:15:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:15:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:15:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:15:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:15:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:15:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:15:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:15:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:15:48,698 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:15:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:15:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:15:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:15:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:15:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:15:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:15:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:15:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:15:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:15:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:15:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:15:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:15:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:15:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:15:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:15:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:15:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:15:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:15:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:15:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-16 00:15:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:15:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-16 00:15:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-16 00:15:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-16 00:15:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-16 00:15:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-16 00:15:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-16 00:15:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:15:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-16 00:15:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-16 00:15:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:15:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-16 00:15:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-16 00:15:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-16 00:15:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-16 00:15:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-16 00:15:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-16 00:15:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:15:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-16 00:15:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-16 00:15:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-16 00:15:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-16 00:15:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-16 00:15:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:15:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:15:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-16 00:15:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-16 00:15:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-16 00:15:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-16 00:15:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-16 00:15:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-16 00:15:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-16 00:15:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-16 00:15:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-16 00:15:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-16 00:15:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-16 00:15:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-16 00:15:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-16 00:15:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:15:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:15:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:15:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:15:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:15:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-16 00:15:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-16 00:15:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-16 00:15:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-16 00:15:49,498 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:15:50,057 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:15:50,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:15:50,490 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-16 00:15:50,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:50 BoogieIcfgContainer [2019-11-16 00:15:50,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:15:50,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:15:50,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:15:50,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:15:50,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:15:47" (1/3) ... [2019-11-16 00:15:50,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdfb029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:50, skipping insertion in model container [2019-11-16 00:15:50,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:48" (2/3) ... [2019-11-16 00:15:50,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdfb029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:15:50, skipping insertion in model container [2019-11-16 00:15:50,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:50" (3/3) ... [2019-11-16 00:15:50,501 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-1.i [2019-11-16 00:15:50,511 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:15:50,520 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-11-16 00:15:50,531 INFO L249 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-11-16 00:15:50,552 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:15:50,552 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:15:50,552 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:15:50,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:15:50,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:15:50,553 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:15:50,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:15:50,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:15:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2019-11-16 00:15:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:15:50,582 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:15:50,583 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:50,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:15:50,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:50,591 INFO L82 PathProgramCache]: Analyzing trace with hash 120577495, now seen corresponding path program 1 times [2019-11-16 00:15:50,602 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:15:50,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1973237105] [2019-11-16 00:15:50,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7192f656-6ab1-47df-a9f7-2aa202e81dd3/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 [2019-11-16 00:15:50,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-16 00:15:50,851 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) [2019-11-16 00:15:50,857 INFO L168 Benchmark]: Toolchain (without parser) took 3104.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,858 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:50,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,860 INFO L168 Benchmark]: Boogie Preprocessor took 121.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:50,861 INFO L168 Benchmark]: RCFGBuilder took 1874.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,862 INFO L168 Benchmark]: TraceAbstraction took 361.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 741.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1874.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 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...