./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/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 91478db75b245dd627777f414c41af02c9caac2f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/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 91478db75b245dd627777f414c41af02c9caac2f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:28:10,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:28:10,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:28:10,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:28:10,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:28:10,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:28:10,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:28:10,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:28:10,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:28:10,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:28:10,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:28:10,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:28:10,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:28:10,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:28:10,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:28:10,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:28:10,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:28:10,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:28:10,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:28:10,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:28:10,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:28:10,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:28:10,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:28:10,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:28:10,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:28:10,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:28:10,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:28:10,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:28:10,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:28:10,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:28:10,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:28:10,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:28:10,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:28:10,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:28:10,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:28:10,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:28:10,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:28:10,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:28:10,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:28:10,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:28:10,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:28:10,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 21:28:10,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:28:10,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:28:10,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:28:10,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:28:10,902 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:28:10,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:28:10,903 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:28:10,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:28:10,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:28:10,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:28:10,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:28:10,904 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:28:10,904 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:28:10,904 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:28:10,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:28:10,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:28:10,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:28:10,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:28:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:28:10,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:28:10,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:28:10,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:28:10,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:28:10,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:28:10,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:28:10,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:28:10,907 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_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/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 -> 91478db75b245dd627777f414c41af02c9caac2f [2019-11-15 21:28:10,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:28:10,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:28:10,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:28:10,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:28:10,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:28:10,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2019-11-15 21:28:11,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/346bc0b88/594475293454430b991b75d02090b2ab/FLAG642ba2ccb [2019-11-15 21:28:11,531 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:28:11,532 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2019-11-15 21:28:11,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/346bc0b88/594475293454430b991b75d02090b2ab/FLAG642ba2ccb [2019-11-15 21:28:11,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/346bc0b88/594475293454430b991b75d02090b2ab [2019-11-15 21:28:11,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:28:11,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:28:11,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:28:11,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:28:11,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:28:11,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:28:11" (1/1) ... [2019-11-15 21:28:11,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3867d5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:11, skipping insertion in model container [2019-11-15 21:28:11,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:28:11" (1/1) ... [2019-11-15 21:28:11,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:28:11,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:28:12,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:28:12,374 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:28:12,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:28:12,536 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:28:12,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12 WrapperNode [2019-11-15 21:28:12,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:28:12,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:28:12,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:28:12,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:28:12,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... [2019-11-15 21:28:12,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:28:12,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:28:12,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:28:12,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:28:12,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:28:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:28:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:28:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:28:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:28:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:28:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:28:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:28:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:28:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:28:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:28:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:28:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:28:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:28:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:28:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:28:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:28:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:28:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:28:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:28:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:28:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:28:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-11-15 21:28:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_unsafe_13 [2019-11-15 21:28:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:28:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:28:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:28:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:28:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:28:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:28:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:28:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:28:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:28:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:28:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:28:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:28:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:28:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:28:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:28:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:28:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:28:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:28:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:28:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:28:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:28:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:28:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:28:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:28:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:28:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:28:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:28:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:28:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:28:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:28:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_unsafe_13 [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:28:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:28:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:28:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:28:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:28:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 21:28:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 21:28:13,285 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:28:13,533 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:28:13,745 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:28:13,745 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-15 21:28:13,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:28:13 BoogieIcfgContainer [2019-11-15 21:28:13,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:28:13,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:28:13,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:28:13,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:28:13,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:28:11" (1/3) ... [2019-11-15 21:28:13,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c25598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:28:13, skipping insertion in model container [2019-11-15 21:28:13,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:28:12" (2/3) ... [2019-11-15 21:28:13,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c25598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:28:13, skipping insertion in model container [2019-11-15 21:28:13,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:28:13" (3/3) ... [2019-11-15 21:28:13,755 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test13_2.i [2019-11-15 21:28:13,764 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:28:13,774 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-11-15 21:28:13,784 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-11-15 21:28:13,803 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:28:13,803 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:28:13,804 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:28:13,804 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:28:13,804 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:28:13,804 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:28:13,804 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:28:13,804 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:28:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-11-15 21:28:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:28:13,841 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:13,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:13,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:13,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash 710321088, now seen corresponding path program 1 times [2019-11-15 21:28:13,857 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:13,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085305163] [2019-11-15 21:28:13,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:13,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:13,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:14,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085305163] [2019-11-15 21:28:14,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:14,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:14,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369040520] [2019-11-15 21:28:14,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:28:14,373 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:14,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:28:14,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:14,385 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 10 states. [2019-11-15 21:28:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:15,215 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2019-11-15 21:28:15,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 21:28:15,218 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-15 21:28:15,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:15,232 INFO L225 Difference]: With dead ends: 107 [2019-11-15 21:28:15,232 INFO L226 Difference]: Without dead ends: 100 [2019-11-15 21:28:15,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:28:15,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-11-15 21:28:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-11-15 21:28:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 21:28:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2019-11-15 21:28:15,283 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 17 [2019-11-15 21:28:15,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:15,284 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2019-11-15 21:28:15,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:28:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2019-11-15 21:28:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:28:15,285 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:15,285 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:15,285 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:15,286 INFO L82 PathProgramCache]: Analyzing trace with hash 710321089, now seen corresponding path program 1 times [2019-11-15 21:28:15,286 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:15,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327610666] [2019-11-15 21:28:15,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:15,286 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:15,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:15,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327610666] [2019-11-15 21:28:15,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:15,581 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:15,581 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039475462] [2019-11-15 21:28:15,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:28:15,583 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:15,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:28:15,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:15,583 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 10 states. [2019-11-15 21:28:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:16,235 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2019-11-15 21:28:16,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:28:16,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-15 21:28:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:16,237 INFO L225 Difference]: With dead ends: 98 [2019-11-15 21:28:16,237 INFO L226 Difference]: Without dead ends: 98 [2019-11-15 21:28:16,238 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:28:16,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-15 21:28:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-11-15 21:28:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-11-15 21:28:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 103 transitions. [2019-11-15 21:28:16,257 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 103 transitions. Word has length 17 [2019-11-15 21:28:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:16,257 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 103 transitions. [2019-11-15 21:28:16,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:28:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2019-11-15 21:28:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 21:28:16,258 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:16,258 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:16,259 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:16,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash -127965344, now seen corresponding path program 1 times [2019-11-15 21:28:16,259 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:16,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603027525] [2019-11-15 21:28:16,259 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:16,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:16,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:16,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603027525] [2019-11-15 21:28:16,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:16,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 21:28:16,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114337773] [2019-11-15 21:28:16,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:28:16,439 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:16,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:28:16,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:16,439 INFO L87 Difference]: Start difference. First operand 98 states and 103 transitions. Second operand 10 states. [2019-11-15 21:28:17,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:17,328 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2019-11-15 21:28:17,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:28:17,329 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2019-11-15 21:28:17,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:17,332 INFO L225 Difference]: With dead ends: 141 [2019-11-15 21:28:17,332 INFO L226 Difference]: Without dead ends: 141 [2019-11-15 21:28:17,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:28:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-15 21:28:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 97. [2019-11-15 21:28:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-15 21:28:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2019-11-15 21:28:17,345 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 20 [2019-11-15 21:28:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:17,346 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2019-11-15 21:28:17,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:28:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2019-11-15 21:28:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-15 21:28:17,347 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:17,347 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:17,347 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:17,348 INFO L82 PathProgramCache]: Analyzing trace with hash -127965343, now seen corresponding path program 1 times [2019-11-15 21:28:17,348 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:17,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669231220] [2019-11-15 21:28:17,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:17,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:17,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:17,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669231220] [2019-11-15 21:28:17,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:17,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:28:17,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725933852] [2019-11-15 21:28:17,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 21:28:17,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:17,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 21:28:17,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:28:17,644 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 13 states. [2019-11-15 21:28:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:18,935 INFO L93 Difference]: Finished difference Result 134 states and 146 transitions. [2019-11-15 21:28:18,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:28:18,937 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2019-11-15 21:28:18,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:18,941 INFO L225 Difference]: With dead ends: 134 [2019-11-15 21:28:18,941 INFO L226 Difference]: Without dead ends: 134 [2019-11-15 21:28:18,942 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2019-11-15 21:28:18,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-15 21:28:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 96. [2019-11-15 21:28:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-15 21:28:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2019-11-15 21:28:18,953 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 20 [2019-11-15 21:28:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:18,954 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2019-11-15 21:28:18,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 21:28:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2019-11-15 21:28:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:18,955 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:18,955 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] [2019-11-15 21:28:18,956 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:18,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:18,956 INFO L82 PathProgramCache]: Analyzing trace with hash 328041679, now seen corresponding path program 1 times [2019-11-15 21:28:18,957 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:18,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782792029] [2019-11-15 21:28:18,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:18,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:18,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:19,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782792029] [2019-11-15 21:28:19,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:19,109 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:28:19,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87407952] [2019-11-15 21:28:19,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:28:19,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:19,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:28:19,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:28:19,110 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 11 states. [2019-11-15 21:28:19,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:19,931 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2019-11-15 21:28:19,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:28:19,931 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2019-11-15 21:28:19,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:19,933 INFO L225 Difference]: With dead ends: 112 [2019-11-15 21:28:19,933 INFO L226 Difference]: Without dead ends: 112 [2019-11-15 21:28:19,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:28:19,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-15 21:28:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2019-11-15 21:28:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 21:28:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions. [2019-11-15 21:28:19,949 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 21 [2019-11-15 21:28:19,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:19,949 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 116 transitions. [2019-11-15 21:28:19,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:28:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2019-11-15 21:28:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:19,951 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:19,952 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] [2019-11-15 21:28:19,952 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:19,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:19,952 INFO L82 PathProgramCache]: Analyzing trace with hash 328041680, now seen corresponding path program 1 times [2019-11-15 21:28:19,953 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:19,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817595555] [2019-11-15 21:28:19,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:19,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:19,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:20,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817595555] [2019-11-15 21:28:20,215 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:20,215 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:28:20,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629693487] [2019-11-15 21:28:20,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:28:20,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:20,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:28:20,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:28:20,216 INFO L87 Difference]: Start difference. First operand 108 states and 116 transitions. Second operand 12 states. [2019-11-15 21:28:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:21,001 INFO L93 Difference]: Finished difference Result 110 states and 114 transitions. [2019-11-15 21:28:21,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:28:21,001 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2019-11-15 21:28:21,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:21,002 INFO L225 Difference]: With dead ends: 110 [2019-11-15 21:28:21,002 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 21:28:21,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:28:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 21:28:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2019-11-15 21:28:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 21:28:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2019-11-15 21:28:21,011 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 21 [2019-11-15 21:28:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:21,011 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2019-11-15 21:28:21,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:28:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2019-11-15 21:28:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:21,012 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:21,012 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] [2019-11-15 21:28:21,013 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:21,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:21,013 INFO L82 PathProgramCache]: Analyzing trace with hash 457124398, now seen corresponding path program 1 times [2019-11-15 21:28:21,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:21,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85499280] [2019-11-15 21:28:21,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:21,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85499280] [2019-11-15 21:28:21,113 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:21,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:28:21,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373993957] [2019-11-15 21:28:21,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:28:21,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:21,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:28:21,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:28:21,115 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand 7 states. [2019-11-15 21:28:21,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:21,621 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2019-11-15 21:28:21,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:28:21,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-15 21:28:21,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:21,623 INFO L225 Difference]: With dead ends: 93 [2019-11-15 21:28:21,623 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 21:28:21,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 21:28:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-11-15 21:28:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 21:28:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2019-11-15 21:28:21,639 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 21 [2019-11-15 21:28:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:21,642 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2019-11-15 21:28:21,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:28:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2019-11-15 21:28:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:21,647 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:21,647 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] [2019-11-15 21:28:21,648 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:21,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:21,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1330709022, now seen corresponding path program 1 times [2019-11-15 21:28:21,648 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:21,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78128855] [2019-11-15 21:28:21,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:21,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78128855] [2019-11-15 21:28:21,796 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:21,796 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:21,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968414690] [2019-11-15 21:28:21,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:28:21,797 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:21,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:28:21,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:28:21,797 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand 8 states. [2019-11-15 21:28:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:22,151 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2019-11-15 21:28:22,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:28:22,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-15 21:28:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:22,153 INFO L225 Difference]: With dead ends: 96 [2019-11-15 21:28:22,153 INFO L226 Difference]: Without dead ends: 96 [2019-11-15 21:28:22,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:28:22,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-15 21:28:22,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2019-11-15 21:28:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 21:28:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2019-11-15 21:28:22,170 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 21 [2019-11-15 21:28:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:22,171 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2019-11-15 21:28:22,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:28:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2019-11-15 21:28:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:22,174 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:22,175 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] [2019-11-15 21:28:22,175 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:22,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1459791741, now seen corresponding path program 1 times [2019-11-15 21:28:22,176 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:22,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846552346] [2019-11-15 21:28:22,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:22,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:22,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:22,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846552346] [2019-11-15 21:28:22,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:22,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:22,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240016332] [2019-11-15 21:28:22,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:28:22,348 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:22,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:28:22,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:28:22,349 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand 9 states. [2019-11-15 21:28:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:23,022 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2019-11-15 21:28:23,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:28:23,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-11-15 21:28:23,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:23,027 INFO L225 Difference]: With dead ends: 128 [2019-11-15 21:28:23,028 INFO L226 Difference]: Without dead ends: 126 [2019-11-15 21:28:23,028 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:28:23,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-15 21:28:23,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 106. [2019-11-15 21:28:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:28:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 114 transitions. [2019-11-15 21:28:23,035 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 114 transitions. Word has length 21 [2019-11-15 21:28:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:23,035 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 114 transitions. [2019-11-15 21:28:23,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:28:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2019-11-15 21:28:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 21:28:23,036 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:23,036 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] [2019-11-15 21:28:23,037 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:23,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:23,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1459791742, now seen corresponding path program 1 times [2019-11-15 21:28:23,037 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:23,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537776776] [2019-11-15 21:28:23,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:23,038 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:23,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:23,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537776776] [2019-11-15 21:28:23,257 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:23,257 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:23,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226886743] [2019-11-15 21:28:23,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:28:23,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:23,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:28:23,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:23,258 INFO L87 Difference]: Start difference. First operand 106 states and 114 transitions. Second operand 10 states. [2019-11-15 21:28:23,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:23,968 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2019-11-15 21:28:23,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:28:23,969 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-11-15 21:28:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:23,970 INFO L225 Difference]: With dead ends: 125 [2019-11-15 21:28:23,970 INFO L226 Difference]: Without dead ends: 125 [2019-11-15 21:28:23,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:28:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-15 21:28:23,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 106. [2019-11-15 21:28:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:28:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions. [2019-11-15 21:28:23,977 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 21 [2019-11-15 21:28:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:23,977 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions. [2019-11-15 21:28:23,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:28:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2019-11-15 21:28:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 21:28:23,978 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:23,978 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:23,979 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:23,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:23,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1715442514, now seen corresponding path program 1 times [2019-11-15 21:28:23,979 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:23,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168909327] [2019-11-15 21:28:23,979 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:23,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:23,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:24,071 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168909327] [2019-11-15 21:28:24,071 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:24,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:28:24,071 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576096099] [2019-11-15 21:28:24,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:28:24,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:24,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:28:24,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:28:24,072 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand 7 states. [2019-11-15 21:28:24,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:24,399 INFO L93 Difference]: Finished difference Result 105 states and 112 transitions. [2019-11-15 21:28:24,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:28:24,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-15 21:28:24,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:24,400 INFO L225 Difference]: With dead ends: 105 [2019-11-15 21:28:24,400 INFO L226 Difference]: Without dead ends: 105 [2019-11-15 21:28:24,401 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:24,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-15 21:28:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-15 21:28:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-15 21:28:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2019-11-15 21:28:24,406 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 23 [2019-11-15 21:28:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:24,406 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2019-11-15 21:28:24,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:28:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2019-11-15 21:28:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-15 21:28:24,407 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:24,407 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:24,408 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:24,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:24,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1715442515, now seen corresponding path program 1 times [2019-11-15 21:28:24,408 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:24,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683344205] [2019-11-15 21:28:24,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:24,409 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:24,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:24,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683344205] [2019-11-15 21:28:24,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:24,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-15 21:28:24,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331447585] [2019-11-15 21:28:24,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:28:24,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:24,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:28:24,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:28:24,751 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 14 states. [2019-11-15 21:28:25,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:25,824 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2019-11-15 21:28:25,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:28:25,825 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2019-11-15 21:28:25,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:25,826 INFO L225 Difference]: With dead ends: 121 [2019-11-15 21:28:25,826 INFO L226 Difference]: Without dead ends: 121 [2019-11-15 21:28:25,826 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:28:25,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-15 21:28:25,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2019-11-15 21:28:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-15 21:28:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2019-11-15 21:28:25,831 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2019-11-15 21:28:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:25,832 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2019-11-15 21:28:25,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:28:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2019-11-15 21:28:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:28:25,833 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:25,833 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] [2019-11-15 21:28:25,834 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:25,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:25,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1880055655, now seen corresponding path program 1 times [2019-11-15 21:28:25,834 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:25,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075139221] [2019-11-15 21:28:25,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:25,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:25,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:25,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075139221] [2019-11-15 21:28:25,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:25,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:28:25,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355424852] [2019-11-15 21:28:25,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:28:25,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:25,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:28:25,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:28:25,936 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand 8 states. [2019-11-15 21:28:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:26,625 INFO L93 Difference]: Finished difference Result 114 states and 122 transitions. [2019-11-15 21:28:26,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:28:26,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-15 21:28:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:26,627 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:28:26,627 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 21:28:26,628 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:28:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 21:28:26,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2019-11-15 21:28:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 21:28:26,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-11-15 21:28:26,633 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 26 [2019-11-15 21:28:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:26,633 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-11-15 21:28:26,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:28:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-11-15 21:28:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:28:26,637 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:26,637 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] [2019-11-15 21:28:26,637 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:26,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1880055654, now seen corresponding path program 1 times [2019-11-15 21:28:26,638 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:26,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597800996] [2019-11-15 21:28:26,638 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:26,638 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:26,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:26,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597800996] [2019-11-15 21:28:26,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:26,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:28:26,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893604394] [2019-11-15 21:28:26,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:28:26,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:26,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:28:26,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:26,886 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 10 states. [2019-11-15 21:28:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:27,519 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2019-11-15 21:28:27,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:28:27,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-11-15 21:28:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:27,520 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:28:27,520 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 21:28:27,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:28:27,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 21:28:27,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2019-11-15 21:28:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 21:28:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions. [2019-11-15 21:28:27,526 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 26 [2019-11-15 21:28:27,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:27,526 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 116 transitions. [2019-11-15 21:28:27,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:28:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2019-11-15 21:28:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 21:28:27,527 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:27,527 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:27,527 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:27,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:27,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1173767182, now seen corresponding path program 1 times [2019-11-15 21:28:27,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:27,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787298861] [2019-11-15 21:28:27,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:27,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:27,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:27,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787298861] [2019-11-15 21:28:27,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:27,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:27,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943576813] [2019-11-15 21:28:27,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:28:27,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:27,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:28:27,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:28:27,670 INFO L87 Difference]: Start difference. First operand 108 states and 116 transitions. Second operand 9 states. [2019-11-15 21:28:28,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:28,329 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2019-11-15 21:28:28,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:28:28,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-11-15 21:28:28,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:28,330 INFO L225 Difference]: With dead ends: 108 [2019-11-15 21:28:28,330 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 21:28:28,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:28:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 21:28:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2019-11-15 21:28:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:28:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2019-11-15 21:28:28,336 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 28 [2019-11-15 21:28:28,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:28,336 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2019-11-15 21:28:28,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:28:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2019-11-15 21:28:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 21:28:28,337 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:28,337 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:28,337 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:28,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1173767183, now seen corresponding path program 1 times [2019-11-15 21:28:28,338 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:28,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985527693] [2019-11-15 21:28:28,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:28,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:28,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:28,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985527693] [2019-11-15 21:28:28,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:28,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:28:28,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490871477] [2019-11-15 21:28:28,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:28:28,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:28,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:28:28,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:28:28,554 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 11 states. [2019-11-15 21:28:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:29,171 INFO L93 Difference]: Finished difference Result 108 states and 112 transitions. [2019-11-15 21:28:29,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:28:29,172 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2019-11-15 21:28:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:29,173 INFO L225 Difference]: With dead ends: 108 [2019-11-15 21:28:29,173 INFO L226 Difference]: Without dead ends: 89 [2019-11-15 21:28:29,173 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:28:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-15 21:28:29,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-11-15 21:28:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-15 21:28:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2019-11-15 21:28:29,178 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 28 [2019-11-15 21:28:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:29,178 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2019-11-15 21:28:29,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:28:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2019-11-15 21:28:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:28:29,179 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:29,179 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:29,180 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1775734980, now seen corresponding path program 1 times [2019-11-15 21:28:29,180 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:29,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948869515] [2019-11-15 21:28:29,181 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:29,181 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:29,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:29,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948869515] [2019-11-15 21:28:29,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:29,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-15 21:28:29,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842751677] [2019-11-15 21:28:29,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 21:28:29,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:29,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 21:28:29,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:28:29,636 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 17 states. [2019-11-15 21:28:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:31,252 INFO L93 Difference]: Finished difference Result 107 states and 108 transitions. [2019-11-15 21:28:31,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 21:28:31,252 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2019-11-15 21:28:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:31,253 INFO L225 Difference]: With dead ends: 107 [2019-11-15 21:28:31,253 INFO L226 Difference]: Without dead ends: 107 [2019-11-15 21:28:31,254 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=194, Invalid=1066, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 21:28:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-15 21:28:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 86. [2019-11-15 21:28:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-15 21:28:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2019-11-15 21:28:31,258 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 35 [2019-11-15 21:28:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:31,258 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2019-11-15 21:28:31,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 21:28:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2019-11-15 21:28:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:28:31,259 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:31,259 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:31,259 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:31,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:31,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1775734979, now seen corresponding path program 1 times [2019-11-15 21:28:31,260 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:31,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414711827] [2019-11-15 21:28:31,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:31,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:31,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:31,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414711827] [2019-11-15 21:28:31,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:31,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-15 21:28:31,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397391524] [2019-11-15 21:28:31,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 21:28:31,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:31,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 21:28:31,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:28:31,697 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand 17 states. [2019-11-15 21:28:32,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:32,878 INFO L93 Difference]: Finished difference Result 98 states and 101 transitions. [2019-11-15 21:28:32,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-15 21:28:32,879 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2019-11-15 21:28:32,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:32,880 INFO L225 Difference]: With dead ends: 98 [2019-11-15 21:28:32,880 INFO L226 Difference]: Without dead ends: 98 [2019-11-15 21:28:32,881 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2019-11-15 21:28:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-15 21:28:32,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2019-11-15 21:28:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 21:28:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2019-11-15 21:28:32,884 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 35 [2019-11-15 21:28:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:32,884 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2019-11-15 21:28:32,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 21:28:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2019-11-15 21:28:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 21:28:32,885 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:32,885 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:32,886 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:32,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:32,886 INFO L82 PathProgramCache]: Analyzing trace with hash -633546693, now seen corresponding path program 1 times [2019-11-15 21:28:32,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:32,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614101593] [2019-11-15 21:28:32,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:32,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:32,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:33,375 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614101593] [2019-11-15 21:28:33,375 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:33,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-11-15 21:28:33,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754130883] [2019-11-15 21:28:33,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-15 21:28:33,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:33,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-15 21:28:33,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:28:33,376 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 19 states. [2019-11-15 21:28:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:35,026 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2019-11-15 21:28:35,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 21:28:35,026 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 40 [2019-11-15 21:28:35,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:35,027 INFO L225 Difference]: With dead ends: 96 [2019-11-15 21:28:35,027 INFO L226 Difference]: Without dead ends: 96 [2019-11-15 21:28:35,028 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=167, Invalid=1165, Unknown=0, NotChecked=0, Total=1332 [2019-11-15 21:28:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-15 21:28:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 85. [2019-11-15 21:28:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 21:28:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 87 transitions. [2019-11-15 21:28:35,032 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 87 transitions. Word has length 40 [2019-11-15 21:28:35,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:35,032 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 87 transitions. [2019-11-15 21:28:35,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-15 21:28:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2019-11-15 21:28:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 21:28:35,033 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:35,033 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] [2019-11-15 21:28:35,033 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:35,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:35,034 INFO L82 PathProgramCache]: Analyzing trace with hash 773003120, now seen corresponding path program 1 times [2019-11-15 21:28:35,034 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:35,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913295897] [2019-11-15 21:28:35,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:35,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:35,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:35,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913295897] [2019-11-15 21:28:35,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:35,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-11-15 21:28:35,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304486599] [2019-11-15 21:28:35,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 21:28:35,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:35,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 21:28:35,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-11-15 21:28:35,512 INFO L87 Difference]: Start difference. First operand 85 states and 87 transitions. Second operand 22 states. [2019-11-15 21:28:36,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:36,815 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2019-11-15 21:28:36,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 21:28:36,816 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2019-11-15 21:28:36,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:36,817 INFO L225 Difference]: With dead ends: 90 [2019-11-15 21:28:36,817 INFO L226 Difference]: Without dead ends: 90 [2019-11-15 21:28:36,818 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=226, Invalid=1334, Unknown=0, NotChecked=0, Total=1560 [2019-11-15 21:28:36,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-15 21:28:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 85. [2019-11-15 21:28:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 21:28:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2019-11-15 21:28:36,821 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 42 [2019-11-15 21:28:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:36,822 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2019-11-15 21:28:36,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 21:28:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2019-11-15 21:28:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 21:28:36,823 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:36,824 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] [2019-11-15 21:28:36,825 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:36,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:36,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1138522964, now seen corresponding path program 1 times [2019-11-15 21:28:36,825 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:36,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508665808] [2019-11-15 21:28:36,826 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:36,826 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:36,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:38,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508665808] [2019-11-15 21:28:38,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:38,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-11-15 21:28:38,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419316717] [2019-11-15 21:28:38,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 21:28:38,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:38,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 21:28:38,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2019-11-15 21:28:38,035 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 27 states. [2019-11-15 21:28:38,435 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-11-15 21:28:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:40,804 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2019-11-15 21:28:40,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-15 21:28:40,804 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 44 [2019-11-15 21:28:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:40,805 INFO L225 Difference]: With dead ends: 93 [2019-11-15 21:28:40,805 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 21:28:40,806 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=267, Invalid=2385, Unknown=0, NotChecked=0, Total=2652 [2019-11-15 21:28:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 21:28:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2019-11-15 21:28:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 21:28:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2019-11-15 21:28:40,810 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 44 [2019-11-15 21:28:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:40,810 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2019-11-15 21:28:40,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 21:28:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2019-11-15 21:28:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 21:28:40,811 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:40,811 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] [2019-11-15 21:28:40,812 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:40,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:40,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1138522965, now seen corresponding path program 1 times [2019-11-15 21:28:40,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:40,812 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272700679] [2019-11-15 21:28:40,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:40,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:40,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:42,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272700679] [2019-11-15 21:28:42,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:42,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-15 21:28:42,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886920298] [2019-11-15 21:28:42,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-15 21:28:42,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:42,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-15 21:28:42,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=746, Unknown=0, NotChecked=0, Total=812 [2019-11-15 21:28:42,448 INFO L87 Difference]: Start difference. First operand 90 states and 93 transitions. Second operand 29 states. [2019-11-15 21:28:43,850 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-11-15 21:28:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:45,801 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2019-11-15 21:28:45,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-15 21:28:45,803 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 44 [2019-11-15 21:28:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:45,803 INFO L225 Difference]: With dead ends: 92 [2019-11-15 21:28:45,804 INFO L226 Difference]: Without dead ends: 92 [2019-11-15 21:28:45,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=286, Invalid=2576, Unknown=0, NotChecked=0, Total=2862 [2019-11-15 21:28:45,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-15 21:28:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-11-15 21:28:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 21:28:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2019-11-15 21:28:45,808 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 44 [2019-11-15 21:28:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:45,809 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2019-11-15 21:28:45,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-15 21:28:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2019-11-15 21:28:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:28:45,810 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:45,810 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] [2019-11-15 21:28:45,811 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 934473594, now seen corresponding path program 1 times [2019-11-15 21:28:45,811 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:45,812 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716161241] [2019-11-15 21:28:45,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:45,812 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:45,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:46,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716161241] [2019-11-15 21:28:46,786 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:46,786 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-11-15 21:28:46,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447858727] [2019-11-15 21:28:46,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-15 21:28:46,787 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:46,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-15 21:28:46,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2019-11-15 21:28:46,788 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand 26 states. [2019-11-15 21:28:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:49,162 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2019-11-15 21:28:49,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-15 21:28:49,163 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 45 [2019-11-15 21:28:49,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:49,163 INFO L225 Difference]: With dead ends: 91 [2019-11-15 21:28:49,163 INFO L226 Difference]: Without dead ends: 91 [2019-11-15 21:28:49,164 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=334, Invalid=2318, Unknown=0, NotChecked=0, Total=2652 [2019-11-15 21:28:49,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-15 21:28:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2019-11-15 21:28:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 21:28:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2019-11-15 21:28:49,168 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 45 [2019-11-15 21:28:49,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:49,168 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2019-11-15 21:28:49,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-15 21:28:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2019-11-15 21:28:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:28:49,169 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:49,169 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] [2019-11-15 21:28:49,170 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash 934473595, now seen corresponding path program 1 times [2019-11-15 21:28:49,171 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:49,171 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593124331] [2019-11-15 21:28:49,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:49,171 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:49,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:50,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593124331] [2019-11-15 21:28:50,708 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:50,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-15 21:28:50,709 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192834527] [2019-11-15 21:28:50,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-11-15 21:28:50,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:50,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-11-15 21:28:50,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=747, Unknown=0, NotChecked=0, Total=812 [2019-11-15 21:28:50,710 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 29 states. [2019-11-15 21:28:51,764 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-11-15 21:28:52,014 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-11-15 21:28:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:53,578 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2019-11-15 21:28:53,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-15 21:28:53,579 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 45 [2019-11-15 21:28:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:53,580 INFO L225 Difference]: With dead ends: 90 [2019-11-15 21:28:53,580 INFO L226 Difference]: Without dead ends: 90 [2019-11-15 21:28:53,581 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=279, Invalid=2373, Unknown=0, NotChecked=0, Total=2652 [2019-11-15 21:28:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-15 21:28:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-15 21:28:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 21:28:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2019-11-15 21:28:53,584 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 45 [2019-11-15 21:28:53,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:53,585 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2019-11-15 21:28:53,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-11-15 21:28:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2019-11-15 21:28:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-15 21:28:53,586 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:53,586 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] [2019-11-15 21:28:53,586 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:53,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1807794997, now seen corresponding path program 1 times [2019-11-15 21:28:53,587 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:53,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005393072] [2019-11-15 21:28:53,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:53,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:53,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:53,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005393072] [2019-11-15 21:28:53,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:53,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-15 21:28:53,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269529328] [2019-11-15 21:28:53,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:28:53,873 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:53,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:28:53,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:28:53,873 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 15 states. [2019-11-15 21:28:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:54,562 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2019-11-15 21:28:54,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:28:54,563 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2019-11-15 21:28:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:54,564 INFO L225 Difference]: With dead ends: 93 [2019-11-15 21:28:54,564 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 21:28:54,564 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:28:54,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 21:28:54,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2019-11-15 21:28:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-15 21:28:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2019-11-15 21:28:54,567 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 52 [2019-11-15 21:28:54,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:54,567 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2019-11-15 21:28:54,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:28:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2019-11-15 21:28:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-15 21:28:54,568 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:54,568 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] [2019-11-15 21:28:54,569 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:54,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:54,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1807794998, now seen corresponding path program 1 times [2019-11-15 21:28:54,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:54,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061296074] [2019-11-15 21:28:54,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:54,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:54,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:55,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061296074] [2019-11-15 21:28:55,797 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:55,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2019-11-15 21:28:55,798 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454103658] [2019-11-15 21:28:55,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-15 21:28:55,798 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:55,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-15 21:28:55,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=805, Unknown=0, NotChecked=0, Total=870 [2019-11-15 21:28:55,799 INFO L87 Difference]: Start difference. First operand 92 states and 93 transitions. Second operand 30 states. [2019-11-15 21:28:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:58,593 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2019-11-15 21:28:58,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-11-15 21:28:58,597 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 52 [2019-11-15 21:28:58,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:58,598 INFO L225 Difference]: With dead ends: 93 [2019-11-15 21:28:58,598 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 21:28:58,599 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=299, Invalid=3007, Unknown=0, NotChecked=0, Total=3306 [2019-11-15 21:28:58,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 21:28:58,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2019-11-15 21:28:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-15 21:28:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2019-11-15 21:28:58,602 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 52 [2019-11-15 21:28:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:58,603 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2019-11-15 21:28:58,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-15 21:28:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2019-11-15 21:28:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 21:28:58,604 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:58,604 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:58,604 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:58,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:58,604 INFO L82 PathProgramCache]: Analyzing trace with hash 261781616, now seen corresponding path program 1 times [2019-11-15 21:28:58,604 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:58,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315465546] [2019-11-15 21:28:58,605 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:58,605 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:58,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:58,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315465546] [2019-11-15 21:28:58,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935020770] [2019-11-15 21:28:58,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 21:28:59,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:28:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:28:59,083 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:28:59,083 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2019-11-15 21:28:59,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352735669] [2019-11-15 21:28:59,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:28:59,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:59,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:28:59,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:28:59,085 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 6 states. [2019-11-15 21:28:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:59,269 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2019-11-15 21:28:59,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:28:59,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-15 21:28:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:59,270 INFO L225 Difference]: With dead ends: 91 [2019-11-15 21:28:59,270 INFO L226 Difference]: Without dead ends: 91 [2019-11-15 21:28:59,271 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:28:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-15 21:28:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-15 21:28:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 21:28:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2019-11-15 21:28:59,282 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 57 [2019-11-15 21:28:59,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:59,282 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2019-11-15 21:28:59,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:28:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2019-11-15 21:28:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-15 21:28:59,284 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:59,284 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:59,489 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:59,490 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:28:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:59,491 INFO L82 PathProgramCache]: Analyzing trace with hash 261781617, now seen corresponding path program 1 times [2019-11-15 21:28:59,491 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:59,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996697572] [2019-11-15 21:28:59,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:59,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:59,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:00,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996697572] [2019-11-15 21:29:00,002 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756202326] [2019-11-15 21:29:00,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:00,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 45 conjunts are in the unsatisfiable core [2019-11-15 21:29:00,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:29:00,470 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2019-11-15 21:29:00,471 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:00,478 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:00,480 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-11-15 21:29:00,481 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:00,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:00,488 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:00,488 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:7 [2019-11-15 21:29:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:00,525 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:29:00,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 23 [2019-11-15 21:29:00,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906808060] [2019-11-15 21:29:00,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-15 21:29:00,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:00,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-15 21:29:00,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:29:00,527 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 24 states. [2019-11-15 21:29:02,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:02,263 INFO L93 Difference]: Finished difference Result 104 states and 106 transitions. [2019-11-15 21:29:02,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 21:29:02,264 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 57 [2019-11-15 21:29:02,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:02,265 INFO L225 Difference]: With dead ends: 104 [2019-11-15 21:29:02,265 INFO L226 Difference]: Without dead ends: 104 [2019-11-15 21:29:02,266 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=223, Invalid=1499, Unknown=0, NotChecked=0, Total=1722 [2019-11-15 21:29:02,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-15 21:29:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2019-11-15 21:29:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-15 21:29:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2019-11-15 21:29:02,268 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 57 [2019-11-15 21:29:02,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:02,269 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2019-11-15 21:29:02,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-15 21:29:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2019-11-15 21:29:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 21:29:02,269 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:02,269 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:02,470 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:02,470 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:29:02,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:02,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2104917466, now seen corresponding path program 1 times [2019-11-15 21:29:02,471 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:02,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292243122] [2019-11-15 21:29:02,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:02,471 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:02,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:29:03,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292243122] [2019-11-15 21:29:03,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:29:03,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-11-15 21:29:03,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640457886] [2019-11-15 21:29:03,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 21:29:03,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:03,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 21:29:03,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:29:03,143 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 20 states. [2019-11-15 21:29:04,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:04,574 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2019-11-15 21:29:04,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:29:04,574 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 59 [2019-11-15 21:29:04,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:04,575 INFO L225 Difference]: With dead ends: 99 [2019-11-15 21:29:04,575 INFO L226 Difference]: Without dead ends: 99 [2019-11-15 21:29:04,575 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2019-11-15 21:29:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-15 21:29:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-11-15 21:29:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-15 21:29:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2019-11-15 21:29:04,582 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 59 [2019-11-15 21:29:04,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:04,582 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2019-11-15 21:29:04,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 21:29:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2019-11-15 21:29:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-15 21:29:04,583 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:04,583 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:04,584 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:29:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:04,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1415778442, now seen corresponding path program 1 times [2019-11-15 21:29:04,591 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:04,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039191398] [2019-11-15 21:29:04,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:04,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:04,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:06,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039191398] [2019-11-15 21:29:06,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675865875] [2019-11-15 21:29:06,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:06,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 179 conjunts are in the unsatisfiable core [2019-11-15 21:29:06,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:29:06,715 INFO L341 Elim1Store]: treesize reduction 27, result has 50.9 percent of original size [2019-11-15 21:29:06,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 33 [2019-11-15 21:29:06,716 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:06,744 INFO L567 ElimStorePlain]: treesize reduction 10, result has 80.0 percent of original size [2019-11-15 21:29:06,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:06,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:29:06,746 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:40 [2019-11-15 21:29:06,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:06,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:06,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:07,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:07,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:07,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:07,349 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:07,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 41 [2019-11-15 21:29:07,350 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,355 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-15 21:29:07,356 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,359 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-15 21:29:07,359 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,369 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:07,374 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-11-15 21:29:07,375 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:07,391 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-11-15 21:29:07,391 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:07,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:07,398 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:120, output treesize:13 [2019-11-15 21:29:08,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:29:08,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,031 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,036 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:29:08,036 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,049 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:30 [2019-11-15 21:29:08,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:29:08,131 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-15 21:29:08,132 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:29:08,169 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-15 21:29:08,169 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,185 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,185 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2019-11-15 21:29:08,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:29:08,306 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,306 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 84 [2019-11-15 21:29:08,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,410 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-11-15 21:29:08,411 INFO L567 ElimStorePlain]: treesize reduction 36, result has 66.7 percent of original size [2019-11-15 21:29:08,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:29:08,471 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:08,472 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 84 [2019-11-15 21:29:08,473 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,579 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-11-15 21:29:08,579 INFO L567 ElimStorePlain]: treesize reduction 46, result has 62.3 percent of original size [2019-11-15 21:29:08,580 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:08,580 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:76 [2019-11-15 21:29:08,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:08,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:09,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:29:09,206 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:09,206 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 117 [2019-11-15 21:29:09,207 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,245 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:09,245 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 144 [2019-11-15 21:29:09,246 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,252 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 21:29:09,256 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:09,257 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 104 [2019-11-15 21:29:09,257 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,430 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-15 21:29:09,430 INFO L567 ElimStorePlain]: treesize reduction 8, result has 95.9 percent of original size [2019-11-15 21:29:09,435 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 21:29:09,436 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 80 [2019-11-15 21:29:09,437 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,444 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 80 [2019-11-15 21:29:09,445 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:09,508 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-15 21:29:09,508 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2019-11-15 21:29:09,509 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,519 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2019-11-15 21:29:09,520 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:09,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:09,584 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-11-15 21:29:09,584 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:306, output treesize:121 [2019-11-15 21:29:10,346 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2019-11-15 21:29:10,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:10,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:10,377 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:10,377 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 19 [2019-11-15 21:29:10,378 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:29:10,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:10,386 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:29:10,386 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:12 [2019-11-15 21:29:11,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:29:11,002 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:11,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:11,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:29:11,007 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:13 [2019-11-15 21:29:11,326 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:11,327 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 170 treesize of output 158 [2019-11-15 21:29:11,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:29:11,356 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2019-11-15 21:29:11,455 INFO L567 ElimStorePlain]: treesize reduction 566, result has 10.6 percent of original size [2019-11-15 21:29:11,495 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:11,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 79 [2019-11-15 21:29:11,496 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:11,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:11,509 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:29:11,509 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:189, output treesize:23 [2019-11-15 21:29:11,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-15 21:29:11,981 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:11,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:11,985 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:11,985 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:5 [2019-11-15 21:29:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:29:12,252 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:29:12,253 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 37] total 69 [2019-11-15 21:29:12,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928613677] [2019-11-15 21:29:12,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2019-11-15 21:29:12,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:29:12,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2019-11-15 21:29:12,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4488, Unknown=0, NotChecked=0, Total=4692 [2019-11-15 21:29:12,255 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand 69 states. [2019-11-15 21:29:13,023 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-11-15 21:29:14,156 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-11-15 21:29:14,384 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-11-15 21:29:14,640 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-11-15 21:29:15,395 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-11-15 21:29:16,322 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-11-15 21:29:16,831 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-11-15 21:29:17,372 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2019-11-15 21:29:17,830 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-11-15 21:29:18,173 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-11-15 21:29:18,428 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-11-15 21:29:18,862 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-11-15 21:29:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:20,745 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2019-11-15 21:29:20,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-15 21:29:20,746 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 61 [2019-11-15 21:29:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:20,746 INFO L225 Difference]: With dead ends: 66 [2019-11-15 21:29:20,746 INFO L226 Difference]: Without dead ends: 66 [2019-11-15 21:29:20,750 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1912 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=858, Invalid=10484, Unknown=0, NotChecked=0, Total=11342 [2019-11-15 21:29:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-15 21:29:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-11-15 21:29:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-15 21:29:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 65 transitions. [2019-11-15 21:29:20,752 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 65 transitions. Word has length 61 [2019-11-15 21:29:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:20,753 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 65 transitions. [2019-11-15 21:29:20,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 69 states. [2019-11-15 21:29:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 65 transitions. [2019-11-15 21:29:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-15 21:29:20,754 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:20,754 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:20,958 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:20,958 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 21:29:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1932957927, now seen corresponding path program 1 times [2019-11-15 21:29:20,959 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:20,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516983112] [2019-11-15 21:29:20,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:20,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:20,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:29:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:29:21,070 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:29:21,070 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:29:21,097 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 21:29:21,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:29:21,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:29:21,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:29:21,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 21:29:21,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:29:21 BoogieIcfgContainer [2019-11-15 21:29:21,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:29:21,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:29:21,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:29:21,131 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:29:21,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:28:13" (3/4) ... [2019-11-15 21:29:21,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:29:21,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:29:21,136 INFO L168 Benchmark]: Toolchain (without parser) took 69289.08 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 824.2 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -272.4 MB). Peak memory consumption was 551.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:21,137 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:21,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:21,137 INFO L168 Benchmark]: Boogie Preprocessor took 87.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:21,138 INFO L168 Benchmark]: RCFGBuilder took 1121.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.1 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:21,138 INFO L168 Benchmark]: TraceAbstraction took 67382.62 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.5 MB). Free memory was 957.3 MB in the beginning and 1.2 GB in the end (delta: -261.3 MB). Peak memory consumption was 441.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:21,138 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:21,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 688.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.50 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 1121.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.1 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67382.62 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 702.5 MB). Free memory was 957.3 MB in the beginning and 1.2 GB in the end (delta: -261.3 MB). Peak memory consumption was 441.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.85 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 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 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L758] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L782] CALL entry_point() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L777] CALL alloc_13() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L764] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=12, \result={5:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=12] [L764] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(struct A13))={5:0}] [L764] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L765] COND TRUE \read(*p) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, p={5:0}] [L766] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={3:0}, head={3:0}, ldv_global_msg_list={2:0}, new={5:4}] [L560] EXPR head->next VAL [global_list_13={3:0}, head={3:0}, head={3:0}, head->next={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}] [L560] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, new={5:4}, next={3:0}, prev={3:0}] [L548] next->prev = new VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L549] new->next = next VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L550] new->prev = prev VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L551] prev->next = new VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L560] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={3:0}, head={3:0}, head={3:0}, head->next={3:0}, ldv_global_msg_list={2:0}, new={5:4}, new={5:4}] [L766] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, p={5:0}] [L777] RET alloc_13() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L778] CALL free_unsafe_13() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L770] struct A13 *p; [L771] struct A13 *n; VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L772] EXPR (&global_list_13)->next VAL [(&global_list_13)->next={5:4}, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L772] const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((&global_list_13)->next); [L772] p = ({ const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((&global_list_13)->next); (typeof(*p) *)( (char *)__mptr - ((size_t) &((typeof(*p) *)0)->list) );}) VAL [__mptr={5:4}, global_list_13={3:0}, ldv_global_msg_list={2:0}, p={5:0}] [L772] EXPR (p)->list.next VAL [(p)->list.next={3:0}, __mptr={5:4}, global_list_13={3:0}, ldv_global_msg_list={2:0}, p={5:0}] [L772] const typeof( ((typeof(*(p)) *)0)->list ) *__mptr = ((p)->list.next); [L772] n = ({ const typeof( ((typeof(*(p)) *)0)->list ) *__mptr = ((p)->list.next); (typeof(*(p)) *)( (char *)__mptr - ((size_t) &((typeof(*(p)) *)0)->list) );}) VAL [__mptr={5:4}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={5:0}] [L772] COND TRUE &p->list != (&global_list_13) VAL [__mptr={5:4}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={5:0}] [L773] CALL ldv_list_del(&p->list) VAL [entry={5:4}, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L568] EXPR entry->prev VAL [entry={5:4}, entry={5:4}, entry->prev={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L568] EXPR entry->next VAL [entry={5:4}, entry={5:4}, entry->next={3:0}, entry->prev={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L568] CALL __ldv_list_del(entry->prev, entry->next) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, next={3:0}, prev={3:0}] [L555] next->prev = prev VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L556] prev->next = next VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, next={3:0}, next={3:0}, prev={3:0}, prev={3:0}] [L568] RET __ldv_list_del(entry->prev, entry->next) VAL [entry={5:4}, entry={5:4}, entry->next={3:0}, entry->prev={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}] [L773] RET ldv_list_del(&p->list) VAL [__mptr={5:4}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={5:0}] [L772] p = n VAL [__mptr={3:0}, __mptr={5:4}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={3:-4}] [L772] EXPR (n)->list.next VAL [(n)->list.next={3:0}, __mptr={5:4}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={3:-4}] [L772] const typeof( ((typeof(*(n)) *)0)->list ) *__mptr = ((n)->list.next); [L772] n = ({ const typeof( ((typeof(*(n)) *)0)->list ) *__mptr = ((n)->list.next); (typeof(*(n)) *)( (char *)__mptr - ((size_t) &((typeof(*(n)) *)0)->list) );}) VAL [__mptr={5:4}, __mptr={3:0}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={3:-4}] [L772] COND FALSE !(&p->list != (&global_list_13)) VAL [__mptr={5:4}, __mptr={3:0}, __mptr={3:0}, global_list_13={3:0}, ldv_global_msg_list={2:0}, n={3:-4}, p={3:-4}] [L778] RET free_unsafe_13() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L779] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, list={3:0}] [L541] list->next = list VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, list={3:0}, list={3:0}] [L542] list->prev = list VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}, list={3:0}, list={3:0}] [L779] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] [L782] RET entry_point() VAL [global_list_13={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 349 locations, 77 error locations. Result: UNSAFE, OverallTime: 67.3s, OverallIterations: 31, TraceHistogramMax: 2, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1255 SDtfs, 4556 SDslu, 2574 SDs, 0 SdLazy, 23106 SolverSat, 1971 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1173 GetRequests, 335 SyntacticMatches, 6 SemanticMatches, 832 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5241 ImplicationChecksByTransitivity, 38.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 30 MinimizatonAttempts, 225 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 1262 NumberOfCodeBlocks, 1262 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1164 ConstructedInterpolants, 27 QuantifiedInterpolants, 689808 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1166 ConjunctsInSsa, 233 ConjunctsInUnsatCore, 33 InterpolantComputations, 28 PerfectInterpolantSequences, 16/33 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:29:23,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:29:23,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:29:23,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:29:23,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:29:23,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:29:23,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:29:23,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:29:23,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:29:23,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:29:23,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:29:23,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:29:23,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:29:23,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:29:23,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:29:23,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:29:23,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:29:23,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:29:23,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:29:23,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:29:23,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:29:23,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:29:23,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:29:23,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:29:23,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:29:23,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:29:23,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:29:23,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:29:23,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:29:23,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:29:23,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:29:23,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:29:23,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:29:23,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:29:23,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:29:23,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:29:23,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:29:23,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:29:23,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:29:23,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:29:23,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:29:23,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 21:29:23,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:29:23,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:29:23,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:29:23,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:29:23,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:29:23,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:29:23,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:29:23,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:29:23,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:29:23,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:29:23,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:29:23,652 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:29:23,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:29:23,653 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:29:23,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:29:23,653 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:29:23,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:29:23,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:29:23,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:29:23,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:29:23,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:29:23,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:29:23,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:29:23,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:29:23,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:29:23,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:29:23,656 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:29:23,656 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:29:23,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:29:23,657 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_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/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 -> 91478db75b245dd627777f414c41af02c9caac2f [2019-11-15 21:29:23,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:29:23,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:29:23,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:29:23,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:29:23,733 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:29:23,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2019-11-15 21:29:23,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/b4cb4eaea/6daf213c503346a18a1b2c18f0b1963c/FLAG7d0516528 [2019-11-15 21:29:24,286 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:29:24,287 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/sv-benchmarks/c/ldv-memsafety/memleaks_test13_2.i [2019-11-15 21:29:24,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/b4cb4eaea/6daf213c503346a18a1b2c18f0b1963c/FLAG7d0516528 [2019-11-15 21:29:24,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/data/b4cb4eaea/6daf213c503346a18a1b2c18f0b1963c [2019-11-15 21:29:24,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:29:24,532 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:29:24,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:24,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:29:24,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:29:24,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:24" (1/1) ... [2019-11-15 21:29:24,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24490bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:24, skipping insertion in model container [2019-11-15 21:29:24,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:24" (1/1) ... [2019-11-15 21:29:24,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:29:24,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:29:25,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:25,231 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:29:25,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:25,412 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:29:25,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25 WrapperNode [2019-11-15 21:29:25,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:25,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:29:25,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:29:25,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:29:25,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... [2019-11-15 21:29:25,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:29:25,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:29:25,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:29:25,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:29:25,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:29:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:29:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:29:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:29:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:29:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:29:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:29:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:29:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:29:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:29:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:29:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:29:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:29:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:29:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:29:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:29:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:29:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:29:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:29:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:29:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:29:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:29:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:29:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:29:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:29:25,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:29:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:29:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:29:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:29:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:29:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:29:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:29:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:29:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:29:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:29:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:29:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:29:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:29:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:29:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:29:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:29:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:29:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-11-15 21:29:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure free_unsafe_13 [2019-11-15 21:29:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:29:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:29:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:29:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:29:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:29:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:29:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:29:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:29:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:29:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:29:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:29:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:29:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:29:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:29:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:29:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:29:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:29:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:29:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:29:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:29:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:29:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:29:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:29:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:29:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:29:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:29:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:29:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:29:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:29:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:29:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:29:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:29:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:29:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:29:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:29:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:29:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:29:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:29:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:29:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:29:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:29:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:29:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:29:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:29:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:29:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:29:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:29:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:29:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:29:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:29:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:29:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:29:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:29:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:29:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:29:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:29:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:29:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:29:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:29:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:29:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:29:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:29:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:29:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:29:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:29:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:29:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:29:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:29:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:29:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:29:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:29:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:29:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:29:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:29:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:29:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:29:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:29:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:29:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:29:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:29:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:29:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_unsafe_13 [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:29:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:29:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:29:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:29:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:29:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:29:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:29:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 21:29:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 21:29:26,346 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:29:26,938 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:29:27,421 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:29:27,430 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-15 21:29:27,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:27 BoogieIcfgContainer [2019-11-15 21:29:27,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:29:27,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:29:27,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:29:27,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:29:27,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:29:24" (1/3) ... [2019-11-15 21:29:27,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa50b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:27, skipping insertion in model container [2019-11-15 21:29:27,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:25" (2/3) ... [2019-11-15 21:29:27,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa50b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:27, skipping insertion in model container [2019-11-15 21:29:27,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:27" (3/3) ... [2019-11-15 21:29:27,444 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test13_2.i [2019-11-15 21:29:27,454 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:29:27,464 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-11-15 21:29:27,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-11-15 21:29:27,499 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:29:27,499 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:29:27,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:29:27,500 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:29:27,500 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:29:27,500 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:29:27,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:29:27,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:29:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-11-15 21:29:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:29:27,546 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:27,547 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:27,550 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, free_unsafe_13Err1REQUIRES_VIOLATION, free_unsafe_13Err2REQUIRES_VIOLATION, free_unsafe_13Err5REQUIRES_VIOLATION, free_unsafe_13Err0REQUIRES_VIOLATION, free_unsafe_13Err4REQUIRES_VIOLATION, free_unsafe_13Err3REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-15 21:29:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:27,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1991725056, now seen corresponding path program 1 times [2019-11-15 21:29:27,569 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:29:27,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1350387070] [2019-11-15 21:29:27,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1731fdc6-aebd-4fda-aeab-a4fa2d717dac/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:29:27,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:29:27,833 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:29:27,838 INFO L168 Benchmark]: Toolchain (without parser) took 3305.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 997.0 MB in the end (delta: -50.0 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:27,839 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:27,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:27,840 INFO L168 Benchmark]: Boogie Preprocessor took 112.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:27,841 INFO L168 Benchmark]: RCFGBuilder took 1901.05 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: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:27,842 INFO L168 Benchmark]: TraceAbstraction took 402.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:27,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 879.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.42 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 1901.05 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: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 402.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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...