./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 72d82df7d97aedab3c94a3eb173a5c41df708a8b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 72d82df7d97aedab3c94a3eb173a5c41df708a8b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:26:30,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:26:30,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:26:30,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:26:30,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:26:30,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:26:30,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:26:30,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:26:30,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:26:30,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:26:30,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:26:30,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:26:30,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:26:30,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:26:30,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:26:30,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:26:30,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:26:30,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:26:30,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:26:30,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:26:30,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:26:30,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:26:30,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:26:30,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:26:30,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:26:30,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:26:30,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:26:30,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:26:30,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:26:30,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:26:30,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:26:30,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:26:30,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:26:30,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:26:30,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:26:30,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:26:30,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:26:30,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:26:30,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:26:30,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:26:30,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:26:30,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 21:26:30,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:26:30,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:26:30,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:26:30,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:26:30,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:26:30,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:26:30,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:26:30,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:26:30,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:26:30,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:26:30,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:26:30,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:26:30,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:26:30,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:26:30,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:26:30,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:26:30,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:26:30,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:26:30,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:26:30,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:26:30,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:26:30,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:26:30,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:26:30,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:26:30,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:26:30,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:26:30,801 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_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 -> 72d82df7d97aedab3c94a3eb173a5c41df708a8b [2019-11-15 21:26:30,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:26:30,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:26:30,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:26:30,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:26:30,847 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:26:30,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2019-11-15 21:26:30,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/80592c5f7/69c389ea64034491b03b78f83a33c967/FLAG59517e378 [2019-11-15 21:26:31,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:26:31,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2019-11-15 21:26:31,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/80592c5f7/69c389ea64034491b03b78f83a33c967/FLAG59517e378 [2019-11-15 21:26:31,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/80592c5f7/69c389ea64034491b03b78f83a33c967 [2019-11-15 21:26:31,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:26:31,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:26:31,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:31,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:26:31,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:26:31,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:31" (1/1) ... [2019-11-15 21:26:31,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ea8c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:31, skipping insertion in model container [2019-11-15 21:26:31,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:26:31" (1/1) ... [2019-11-15 21:26:31,777 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:26:31,834 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:26:32,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:32,367 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:26:32,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:26:32,545 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:26:32,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32 WrapperNode [2019-11-15 21:26:32,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:26:32,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:26:32,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:26:32,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:26:32,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... [2019-11-15 21:26:32,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:26:32,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:26:32,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:26:32,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:26:32,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:26:32,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:26:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:26:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:26:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:26:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:26:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:26:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:26:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:26:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:26:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:26:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:26:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:26:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:26:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:26:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:26:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:26:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:26:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:26:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:26:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:26:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:26:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:26:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:26:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:26:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:26:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:26:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:26:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:26:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2019-11-15 21:26:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_19 [2019-11-15 21:26:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2019-11-15 21:26:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:26:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:26:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:26:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:26:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:26:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:26:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:26:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:26:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:26:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:26:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:26:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:26:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:26:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:26:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:26:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:26:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:26:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:26:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:26:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:26:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:26:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:26:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:26:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:26:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:26:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:26:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:26:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:26:32,751 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:26:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:26:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:26:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:26:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:26:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:26:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:26:32,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:26:32,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:26:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:26:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:26:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure probe_19 [2019-11-15 21:26:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:26:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:26:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:26:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 21:26:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 21:26:33,463 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:26:33,690 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:26:33,958 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:26:33,958 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:26:33,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:33 BoogieIcfgContainer [2019-11-15 21:26:33,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:26:33,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:26:33,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:26:33,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:26:33,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:26:31" (1/3) ... [2019-11-15 21:26:33,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df0297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:33, skipping insertion in model container [2019-11-15 21:26:33,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:26:32" (2/3) ... [2019-11-15 21:26:33,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28df0297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:26:33, skipping insertion in model container [2019-11-15 21:26:33,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:26:33" (3/3) ... [2019-11-15 21:26:33,966 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test19-1.i [2019-11-15 21:26:33,975 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:26:33,989 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2019-11-15 21:26:34,000 INFO L249 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2019-11-15 21:26:34,023 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:26:34,024 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:26:34,024 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:26:34,024 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:26:34,024 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:26:34,024 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:26:34,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:26:34,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:26:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-11-15 21:26:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 21:26:34,075 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:34,076 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:34,079 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:34,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:34,086 INFO L82 PathProgramCache]: Analyzing trace with hash -369618027, now seen corresponding path program 1 times [2019-11-15 21:26:34,095 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:34,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708916802] [2019-11-15 21:26:34,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:34,096 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:34,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:34,497 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 21:26:34,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708916802] [2019-11-15 21:26:34,499 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:34,499 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:26:34,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748948494] [2019-11-15 21:26:34,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:34,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:34,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:34,530 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 9 states. [2019-11-15 21:26:35,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:35,718 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2019-11-15 21:26:35,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:26:35,721 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-11-15 21:26:35,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:35,735 INFO L225 Difference]: With dead ends: 161 [2019-11-15 21:26:35,735 INFO L226 Difference]: Without dead ends: 158 [2019-11-15 21:26:35,737 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:26:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-15 21:26:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 88. [2019-11-15 21:26:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-15 21:26:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2019-11-15 21:26:35,797 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 15 [2019-11-15 21:26:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:35,797 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2019-11-15 21:26:35,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2019-11-15 21:26:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 21:26:35,799 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:35,799 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:35,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:35,801 INFO L82 PathProgramCache]: Analyzing trace with hash -369618026, now seen corresponding path program 1 times [2019-11-15 21:26:35,801 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:35,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485177333] [2019-11-15 21:26:35,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:35,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:35,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:36,053 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 21:26:36,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485177333] [2019-11-15 21:26:36,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:36,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:26:36,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502862422] [2019-11-15 21:26:36,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:36,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:36,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:36,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:36,056 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand 9 states. [2019-11-15 21:26:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:37,037 INFO L93 Difference]: Finished difference Result 155 states and 180 transitions. [2019-11-15 21:26:37,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:26:37,038 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-11-15 21:26:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:37,041 INFO L225 Difference]: With dead ends: 155 [2019-11-15 21:26:37,041 INFO L226 Difference]: Without dead ends: 155 [2019-11-15 21:26:37,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:26:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-15 21:26:37,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 85. [2019-11-15 21:26:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 21:26:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2019-11-15 21:26:37,072 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 15 [2019-11-15 21:26:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:37,073 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2019-11-15 21:26:37,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2019-11-15 21:26:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:26:37,075 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:37,075 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] [2019-11-15 21:26:37,076 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:37,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:37,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1816582398, now seen corresponding path program 1 times [2019-11-15 21:26:37,077 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:37,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084953929] [2019-11-15 21:26:37,078 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:37,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:37,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:26:37,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084953929] [2019-11-15 21:26:37,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:37,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:26:37,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752909692] [2019-11-15 21:26:37,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:37,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:37,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:37,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:37,363 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand 9 states. [2019-11-15 21:26:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:38,011 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2019-11-15 21:26:38,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:26:38,011 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-15 21:26:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:38,013 INFO L225 Difference]: With dead ends: 136 [2019-11-15 21:26:38,013 INFO L226 Difference]: Without dead ends: 136 [2019-11-15 21:26:38,014 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:26:38,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-15 21:26:38,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 83. [2019-11-15 21:26:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-15 21:26:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2019-11-15 21:26:38,024 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 26 [2019-11-15 21:26:38,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:38,024 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2019-11-15 21:26:38,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2019-11-15 21:26:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:26:38,025 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:38,025 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] [2019-11-15 21:26:38,026 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:38,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:38,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1816582399, now seen corresponding path program 1 times [2019-11-15 21:26:38,026 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:38,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102207399] [2019-11-15 21:26:38,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,027 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:38,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:26:38,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102207399] [2019-11-15 21:26:38,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:38,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:26:38,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68833946] [2019-11-15 21:26:38,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 21:26:38,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:38,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 21:26:38,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:26:38,282 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand 12 states. [2019-11-15 21:26:39,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:39,156 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2019-11-15 21:26:39,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:26:39,158 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2019-11-15 21:26:39,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:39,160 INFO L225 Difference]: With dead ends: 146 [2019-11-15 21:26:39,160 INFO L226 Difference]: Without dead ends: 146 [2019-11-15 21:26:39,161 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:26:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-15 21:26:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 81. [2019-11-15 21:26:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-15 21:26:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2019-11-15 21:26:39,171 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 26 [2019-11-15 21:26:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:39,172 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2019-11-15 21:26:39,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 21:26:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2019-11-15 21:26:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:26:39,173 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:39,173 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 21:26:39,174 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:39,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1406591983, now seen corresponding path program 1 times [2019-11-15 21:26:39,175 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:39,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579150609] [2019-11-15 21:26:39,175 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,175 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,362 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 21:26:39,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579150609] [2019-11-15 21:26:39,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:39,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 21:26:39,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139996722] [2019-11-15 21:26:39,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:39,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:39,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:39,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:39,365 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 9 states. [2019-11-15 21:26:39,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:39,826 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2019-11-15 21:26:39,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 21:26:39,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-15 21:26:39,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:39,828 INFO L225 Difference]: With dead ends: 110 [2019-11-15 21:26:39,828 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 21:26:39,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:26:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 21:26:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2019-11-15 21:26:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-15 21:26:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2019-11-15 21:26:39,847 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 26 [2019-11-15 21:26:39,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:39,848 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2019-11-15 21:26:39,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2019-11-15 21:26:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:26:39,849 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:39,849 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 21:26:39,850 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:39,850 INFO L82 PathProgramCache]: Analyzing trace with hash 100959826, now seen corresponding path program 1 times [2019-11-15 21:26:39,851 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:39,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602735820] [2019-11-15 21:26:39,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:39,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:40,052 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 21:26:40,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602735820] [2019-11-15 21:26:40,054 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:40,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:26:40,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46979621] [2019-11-15 21:26:40,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:26:40,056 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:26:40,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:26:40,057 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 11 states. [2019-11-15 21:26:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:40,908 INFO L93 Difference]: Finished difference Result 132 states and 153 transitions. [2019-11-15 21:26:40,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:26:40,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2019-11-15 21:26:40,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:40,910 INFO L225 Difference]: With dead ends: 132 [2019-11-15 21:26:40,911 INFO L226 Difference]: Without dead ends: 132 [2019-11-15 21:26:40,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:26:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-15 21:26:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2019-11-15 21:26:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:26:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2019-11-15 21:26:40,921 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 26 [2019-11-15 21:26:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:40,922 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2019-11-15 21:26:40,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:26:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2019-11-15 21:26:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:26:40,923 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:40,923 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 21:26:40,924 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:40,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:40,924 INFO L82 PathProgramCache]: Analyzing trace with hash 100959827, now seen corresponding path program 1 times [2019-11-15 21:26:40,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:40,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864643922] [2019-11-15 21:26:40,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:40,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:40,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,083 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 21:26:41,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864643922] [2019-11-15 21:26:41,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:41,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 21:26:41,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660449846] [2019-11-15 21:26:41,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:41,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:41,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:41,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:41,085 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 9 states. [2019-11-15 21:26:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:41,674 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2019-11-15 21:26:41,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:26:41,675 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-15 21:26:41,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:41,676 INFO L225 Difference]: With dead ends: 129 [2019-11-15 21:26:41,676 INFO L226 Difference]: Without dead ends: 129 [2019-11-15 21:26:41,677 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:26:41,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-15 21:26:41,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 110. [2019-11-15 21:26:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 21:26:41,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2019-11-15 21:26:41,685 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 26 [2019-11-15 21:26:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:41,689 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2019-11-15 21:26:41,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2019-11-15 21:26:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 21:26:41,696 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:41,696 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:41,697 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:41,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1164625150, now seen corresponding path program 1 times [2019-11-15 21:26:41,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:41,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420554860] [2019-11-15 21:26:41,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:41,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:41,830 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 21:26:41,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420554860] [2019-11-15 21:26:41,831 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:41,831 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:26:41,831 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423859615] [2019-11-15 21:26:41,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:26:41,832 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:41,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:26:41,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:26:41,832 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 7 states. [2019-11-15 21:26:42,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:42,261 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions. [2019-11-15 21:26:42,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:26:42,261 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-15 21:26:42,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:42,263 INFO L225 Difference]: With dead ends: 133 [2019-11-15 21:26:42,263 INFO L226 Difference]: Without dead ends: 124 [2019-11-15 21:26:42,263 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:26:42,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-15 21:26:42,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2019-11-15 21:26:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-15 21:26:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-11-15 21:26:42,272 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 27 [2019-11-15 21:26:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:42,272 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-11-15 21:26:42,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:26:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-11-15 21:26:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:26:42,274 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:42,274 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:42,275 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:42,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1962480717, now seen corresponding path program 1 times [2019-11-15 21:26:42,275 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:42,276 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366611012] [2019-11-15 21:26:42,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:26:42,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366611012] [2019-11-15 21:26:42,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:42,419 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:26:42,419 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641655325] [2019-11-15 21:26:42,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:26:42,420 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:42,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:26:42,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:26:42,420 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 8 states. [2019-11-15 21:26:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:42,890 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2019-11-15 21:26:42,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 21:26:42,891 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-15 21:26:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:42,892 INFO L225 Difference]: With dead ends: 135 [2019-11-15 21:26:42,893 INFO L226 Difference]: Without dead ends: 135 [2019-11-15 21:26:42,893 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:26:42,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-15 21:26:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2019-11-15 21:26:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-15 21:26:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-11-15 21:26:42,904 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 35 [2019-11-15 21:26:42,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:42,904 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-11-15 21:26:42,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:26:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-11-15 21:26:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:26:42,906 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:42,906 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:42,907 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:42,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:42,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1074977036, now seen corresponding path program 1 times [2019-11-15 21:26:42,908 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:42,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936401072] [2019-11-15 21:26:42,908 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:42,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:26:43,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936401072] [2019-11-15 21:26:43,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:26:43,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 21:26:43,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797770349] [2019-11-15 21:26:43,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 21:26:43,061 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:43,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 21:26:43,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:43,062 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 9 states. [2019-11-15 21:26:43,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:43,646 INFO L93 Difference]: Finished difference Result 129 states and 148 transitions. [2019-11-15 21:26:43,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 21:26:43,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2019-11-15 21:26:43,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:43,648 INFO L225 Difference]: With dead ends: 129 [2019-11-15 21:26:43,648 INFO L226 Difference]: Without dead ends: 129 [2019-11-15 21:26:43,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:26:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-15 21:26:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2019-11-15 21:26:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-15 21:26:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2019-11-15 21:26:43,658 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 35 [2019-11-15 21:26:43,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:43,658 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2019-11-15 21:26:43,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 21:26:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2019-11-15 21:26:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 21:26:43,660 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:43,660 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:43,661 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:43,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:43,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1368380043, now seen corresponding path program 1 times [2019-11-15 21:26:43,662 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:43,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450692420] [2019-11-15 21:26:43,663 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:43,663 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:43,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:26:44,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450692420] [2019-11-15 21:26:44,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927238761] [2019-11-15 21:26:44,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:26:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:44,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-15 21:26:44,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:44,307 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 13 treesize of output 9 [2019-11-15 21:26:44,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:44,311 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:44,311 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:44,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-15 21:26:44,980 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 21:26:45,021 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:45,021 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 21:26:45,022 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:45,039 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 21:26:45,040 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 21:26:45,040 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 21:26:45,065 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 19 treesize of output 7 [2019-11-15 21:26:45,066 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:45,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:45,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:45,069 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 21:26:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:26:45,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:26:45,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 20 [2019-11-15 21:26:45,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835551319] [2019-11-15 21:26:45,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:26:45,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:45,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:26:45,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=325, Unknown=1, NotChecked=36, Total=420 [2019-11-15 21:26:45,081 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 10 states. [2019-11-15 21:26:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:45,492 INFO L93 Difference]: Finished difference Result 142 states and 165 transitions. [2019-11-15 21:26:45,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:26:45,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-15 21:26:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:45,494 INFO L225 Difference]: With dead ends: 142 [2019-11-15 21:26:45,494 INFO L226 Difference]: Without dead ends: 142 [2019-11-15 21:26:45,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=479, Unknown=1, NotChecked=44, Total=600 [2019-11-15 21:26:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-15 21:26:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2019-11-15 21:26:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-15 21:26:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-11-15 21:26:45,508 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 35 [2019-11-15 21:26:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:45,508 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-11-15 21:26:45,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:26:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-11-15 21:26:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 21:26:45,509 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:45,509 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:45,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:45,726 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:45,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash 529891751, now seen corresponding path program 1 times [2019-11-15 21:26:45,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:45,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186410710] [2019-11-15 21:26:45,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:45,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:45,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:26:46,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186410710] [2019-11-15 21:26:46,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070352378] [2019-11-15 21:26:46,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:26:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:46,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 21:26:46,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:46,341 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 13 treesize of output 9 [2019-11-15 21:26:46,341 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:46,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:46,349 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 21:26:46,349 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-15 21:26:46,358 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 11 treesize of output 5 [2019-11-15 21:26:46,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:46,361 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:46,362 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:46,362 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 21:26:47,098 WARN L860 $PredicateComparison]: unable to prove that (exists ((|f19_#t~ret38.base| Int) (f19_~a.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base|) f19_~a.offset |f19_#t~ret38.base|))) (<= f19_~a.offset |c_f19_#in~a.offset|))) is different from true [2019-11-15 21:26:47,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:26:47,113 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 23 treesize of output 22 [2019-11-15 21:26:47,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:47,125 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:47,125 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:47,125 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 21:26:47,129 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 21 treesize of output 9 [2019-11-15 21:26:47,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:47,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:47,131 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:47,131 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2019-11-15 21:26:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:26:47,135 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:26:47,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 19 [2019-11-15 21:26:47,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738150401] [2019-11-15 21:26:47,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 21:26:47,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:47,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 21:26:47,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=292, Unknown=1, NotChecked=34, Total=380 [2019-11-15 21:26:47,137 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 20 states. [2019-11-15 21:26:50,559 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 21:26:52,994 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 21:26:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:55,865 INFO L93 Difference]: Finished difference Result 156 states and 186 transitions. [2019-11-15 21:26:55,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-15 21:26:55,866 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2019-11-15 21:26:55,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:55,867 INFO L225 Difference]: With dead ends: 156 [2019-11-15 21:26:55,867 INFO L226 Difference]: Without dead ends: 156 [2019-11-15 21:26:55,868 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=185, Invalid=1072, Unknown=7, NotChecked=68, Total=1332 [2019-11-15 21:26:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-15 21:26:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2019-11-15 21:26:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-15 21:26:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 174 transitions. [2019-11-15 21:26:55,882 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 174 transitions. Word has length 36 [2019-11-15 21:26:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:55,883 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 174 transitions. [2019-11-15 21:26:55,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 21:26:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 174 transitions. [2019-11-15 21:26:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 21:26:55,884 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:55,884 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] [2019-11-15 21:26:56,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:56,088 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:56,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1547317592, now seen corresponding path program 1 times [2019-11-15 21:26:56,088 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:56,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638372394] [2019-11-15 21:26:56,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:56,089 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:56,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:26:56,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638372394] [2019-11-15 21:26:56,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71400447] [2019-11-15 21:26:56,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:26:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 21:26:56,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:56,457 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 13 treesize of output 9 [2019-11-15 21:26:56,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:56,462 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:56,465 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 13 treesize of output 9 [2019-11-15 21:26:56,466 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:56,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:56,474 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:56,474 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2019-11-15 21:26:56,480 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 19 treesize of output 7 [2019-11-15 21:26:56,481 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:56,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:56,494 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 19 treesize of output 7 [2019-11-15 21:26:56,495 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:56,499 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:56,499 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 21:26:56,500 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2019-11-15 21:26:56,502 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 21:26:56,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:26:56,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 9 [2019-11-15 21:26:56,503 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111933610] [2019-11-15 21:26:56,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:26:56,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:26:56,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:26:56,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:26:56,504 INFO L87 Difference]: Start difference. First operand 143 states and 174 transitions. Second operand 6 states. [2019-11-15 21:26:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:26:56,553 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-11-15 21:26:56,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:26:56,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-15 21:26:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:26:56,555 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:26:56,555 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 21:26:56,556 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:26:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 21:26:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-15 21:26:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 21:26:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2019-11-15 21:26:56,560 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 36 [2019-11-15 21:26:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:26:56,561 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2019-11-15 21:26:56,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:26:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2019-11-15 21:26:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 21:26:56,562 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:26:56,562 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:26:56,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:56,763 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:26:56,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:26:56,763 INFO L82 PathProgramCache]: Analyzing trace with hash -753224777, now seen corresponding path program 1 times [2019-11-15 21:26:56,763 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:26:56,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538333969] [2019-11-15 21:26:56,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:56,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:26:56,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:26:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:26:57,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538333969] [2019-11-15 21:26:57,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414397077] [2019-11-15 21:26:57,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:26:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:26:57,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-15 21:26:57,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:26:57,278 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:26:57,278 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:57,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:57,281 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:26:57,281 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 21:26:57,325 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 13 treesize of output 9 [2019-11-15 21:26:57,326 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:26:57,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:26:57,337 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 21:26:57,337 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-15 21:27:05,482 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-11-15 21:27:05,510 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:05,510 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 44 [2019-11-15 21:27:05,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,515 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:27:05,555 INFO L567 ElimStorePlain]: treesize reduction 16, result has 63.6 percent of original size [2019-11-15 21:27:05,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,556 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 21:27:05,557 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:28 [2019-11-15 21:27:05,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:27:05,678 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:05,678 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 22 [2019-11-15 21:27:05,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:27:05,688 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 20 treesize of output 12 [2019-11-15 21:27:05,689 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:27:05,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:05,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-15 21:27:05,704 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:15 [2019-11-15 21:27:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:27:05,740 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:27:05,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2019-11-15 21:27:05,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525190295] [2019-11-15 21:27:05,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-15 21:27:05,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:05,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-15 21:27:05,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=511, Unknown=11, NotChecked=0, Total=600 [2019-11-15 21:27:05,741 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 25 states. [2019-11-15 21:27:30,321 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-15 21:27:31,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:31,976 INFO L93 Difference]: Finished difference Result 114 states and 130 transitions. [2019-11-15 21:27:31,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:27:31,978 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2019-11-15 21:27:31,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:31,979 INFO L225 Difference]: With dead ends: 114 [2019-11-15 21:27:31,979 INFO L226 Difference]: Without dead ends: 114 [2019-11-15 21:27:31,980 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=203, Invalid=1184, Unknown=19, NotChecked=0, Total=1406 [2019-11-15 21:27:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-15 21:27:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2019-11-15 21:27:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 21:27:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2019-11-15 21:27:31,986 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 37 [2019-11-15 21:27:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:31,987 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2019-11-15 21:27:31,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-15 21:27:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2019-11-15 21:27:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 21:27:31,988 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:31,988 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] [2019-11-15 21:27:32,189 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:27:32,190 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:32,190 INFO L82 PathProgramCache]: Analyzing trace with hash 768999293, now seen corresponding path program 1 times [2019-11-15 21:27:32,191 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:32,191 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915116213] [2019-11-15 21:27:32,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:32,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:32,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:32,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915116213] [2019-11-15 21:27:32,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:32,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:27:32,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822620695] [2019-11-15 21:27:32,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:27:32,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:32,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:27:32,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:27:32,374 INFO L87 Difference]: Start difference. First operand 113 states and 128 transitions. Second operand 11 states. [2019-11-15 21:27:33,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:33,000 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2019-11-15 21:27:33,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:27:33,003 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2019-11-15 21:27:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:33,005 INFO L225 Difference]: With dead ends: 124 [2019-11-15 21:27:33,005 INFO L226 Difference]: Without dead ends: 124 [2019-11-15 21:27:33,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:27:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-15 21:27:33,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2019-11-15 21:27:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-15 21:27:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-11-15 21:27:33,023 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 42 [2019-11-15 21:27:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:33,023 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-11-15 21:27:33,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:27:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-11-15 21:27:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 21:27:33,025 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:33,025 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] [2019-11-15 21:27:33,026 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:33,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash 768999294, now seen corresponding path program 1 times [2019-11-15 21:27:33,028 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:33,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754728835] [2019-11-15 21:27:33,028 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:33,028 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:33,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:33,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754728835] [2019-11-15 21:27:33,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:33,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:27:33,376 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049354881] [2019-11-15 21:27:33,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:27:33,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:33,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:27:33,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:27:33,381 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 14 states. [2019-11-15 21:27:34,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:34,046 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2019-11-15 21:27:34,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 21:27:34,047 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2019-11-15 21:27:34,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:34,048 INFO L225 Difference]: With dead ends: 123 [2019-11-15 21:27:34,048 INFO L226 Difference]: Without dead ends: 123 [2019-11-15 21:27:34,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2019-11-15 21:27:34,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-15 21:27:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2019-11-15 21:27:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-15 21:27:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2019-11-15 21:27:34,053 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 42 [2019-11-15 21:27:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:34,054 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2019-11-15 21:27:34,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:27:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2019-11-15 21:27:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 21:27:34,055 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:34,055 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] [2019-11-15 21:27:34,055 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:34,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:34,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1930825704, now seen corresponding path program 1 times [2019-11-15 21:27:34,056 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:34,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614594535] [2019-11-15 21:27:34,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:34,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:34,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:27:34,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614594535] [2019-11-15 21:27:34,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:34,301 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:27:34,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352608900] [2019-11-15 21:27:34,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:27:34,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:27:34,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:27:34,302 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand 14 states. [2019-11-15 21:27:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:35,044 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2019-11-15 21:27:35,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 21:27:35,045 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2019-11-15 21:27:35,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:35,046 INFO L225 Difference]: With dead ends: 122 [2019-11-15 21:27:35,046 INFO L226 Difference]: Without dead ends: 122 [2019-11-15 21:27:35,047 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2019-11-15 21:27:35,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-15 21:27:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-11-15 21:27:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-15 21:27:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 136 transitions. [2019-11-15 21:27:35,052 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 136 transitions. Word has length 43 [2019-11-15 21:27:35,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:35,053 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 136 transitions. [2019-11-15 21:27:35,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:27:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 136 transitions. [2019-11-15 21:27:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 21:27:35,053 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:35,054 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] [2019-11-15 21:27:35,054 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:35,055 INFO L82 PathProgramCache]: Analyzing trace with hash 273945373, now seen corresponding path program 1 times [2019-11-15 21:27:35,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:35,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66854372] [2019-11-15 21:27:35,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:35,055 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:35,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:27:35,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66854372] [2019-11-15 21:27:35,326 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:35,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:27:35,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041740167] [2019-11-15 21:27:35,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:27:35,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:35,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:27:35,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:27:35,328 INFO L87 Difference]: Start difference. First operand 120 states and 136 transitions. Second operand 14 states. [2019-11-15 21:27:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:36,325 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2019-11-15 21:27:36,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 21:27:36,326 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2019-11-15 21:27:36,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:36,327 INFO L225 Difference]: With dead ends: 139 [2019-11-15 21:27:36,327 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 21:27:36,327 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:27:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 21:27:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 128. [2019-11-15 21:27:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-15 21:27:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2019-11-15 21:27:36,333 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 44 [2019-11-15 21:27:36,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:36,334 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2019-11-15 21:27:36,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:27:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2019-11-15 21:27:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 21:27:36,335 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:36,335 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:36,336 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:36,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1764110916, now seen corresponding path program 1 times [2019-11-15 21:27:36,337 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:36,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406602017] [2019-11-15 21:27:36,337 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:36,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:36,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:27:36,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406602017] [2019-11-15 21:27:36,636 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:36,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-15 21:27:36,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348268216] [2019-11-15 21:27:36,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:27:36,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:36,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:27:36,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:27:36,639 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand 15 states. [2019-11-15 21:27:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:37,571 INFO L93 Difference]: Finished difference Result 133 states and 148 transitions. [2019-11-15 21:27:37,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 21:27:37,571 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2019-11-15 21:27:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:37,572 INFO L225 Difference]: With dead ends: 133 [2019-11-15 21:27:37,572 INFO L226 Difference]: Without dead ends: 129 [2019-11-15 21:27:37,573 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2019-11-15 21:27:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-15 21:27:37,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2019-11-15 21:27:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-15 21:27:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 142 transitions. [2019-11-15 21:27:37,577 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 142 transitions. Word has length 44 [2019-11-15 21:27:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:37,577 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 142 transitions. [2019-11-15 21:27:37,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:27:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 142 transitions. [2019-11-15 21:27:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 21:27:37,578 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:37,579 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:37,579 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:37,580 INFO L82 PathProgramCache]: Analyzing trace with hash 2020322203, now seen corresponding path program 1 times [2019-11-15 21:27:37,580 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:37,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257017942] [2019-11-15 21:27:37,580 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:37,581 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:37,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:37,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257017942] [2019-11-15 21:27:37,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:37,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:27:37,693 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878832991] [2019-11-15 21:27:37,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:27:37,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:37,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:27:37,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:27:37,693 INFO L87 Difference]: Start difference. First operand 127 states and 142 transitions. Second operand 8 states. [2019-11-15 21:27:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:38,031 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2019-11-15 21:27:38,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:27:38,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2019-11-15 21:27:38,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:38,032 INFO L225 Difference]: With dead ends: 117 [2019-11-15 21:27:38,032 INFO L226 Difference]: Without dead ends: 117 [2019-11-15 21:27:38,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-15 21:27:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-15 21:27:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2019-11-15 21:27:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 21:27:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2019-11-15 21:27:38,036 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 44 [2019-11-15 21:27:38,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:38,038 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2019-11-15 21:27:38,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:27:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2019-11-15 21:27:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:27:38,039 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:38,039 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:38,040 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:38,040 INFO L82 PathProgramCache]: Analyzing trace with hash -97627974, now seen corresponding path program 1 times [2019-11-15 21:27:38,040 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:38,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218683388] [2019-11-15 21:27:38,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:38,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:38,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:27:38,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218683388] [2019-11-15 21:27:38,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:38,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 21:27:38,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100142976] [2019-11-15 21:27:38,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 21:27:38,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:38,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 21:27:38,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 21:27:38,261 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 14 states. [2019-11-15 21:27:38,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:38,811 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2019-11-15 21:27:38,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:27:38,811 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2019-11-15 21:27:38,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:38,812 INFO L225 Difference]: With dead ends: 116 [2019-11-15 21:27:38,812 INFO L226 Difference]: Without dead ends: 116 [2019-11-15 21:27:38,812 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2019-11-15 21:27:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-15 21:27:38,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-15 21:27:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 21:27:38,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2019-11-15 21:27:38,818 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 45 [2019-11-15 21:27:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:38,818 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2019-11-15 21:27:38,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 21:27:38,818 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2019-11-15 21:27:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 21:27:38,819 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:38,819 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:38,820 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:38,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:38,820 INFO L82 PathProgramCache]: Analyzing trace with hash 195678764, now seen corresponding path program 1 times [2019-11-15 21:27:38,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:38,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662416136] [2019-11-15 21:27:38,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:38,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:38,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:39,050 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662416136] [2019-11-15 21:27:39,050 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:39,050 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-15 21:27:39,050 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460486731] [2019-11-15 21:27:39,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 21:27:39,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:39,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 21:27:39,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:27:39,053 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 13 states. [2019-11-15 21:27:39,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:39,732 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2019-11-15 21:27:39,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 21:27:39,734 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2019-11-15 21:27:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:39,735 INFO L225 Difference]: With dead ends: 129 [2019-11-15 21:27:39,735 INFO L226 Difference]: Without dead ends: 129 [2019-11-15 21:27:39,735 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2019-11-15 21:27:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-15 21:27:39,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 114. [2019-11-15 21:27:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-15 21:27:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2019-11-15 21:27:39,740 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 46 [2019-11-15 21:27:39,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:39,740 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2019-11-15 21:27:39,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 21:27:39,740 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2019-11-15 21:27:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 21:27:39,741 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:39,741 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:39,742 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:39,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:39,742 INFO L82 PathProgramCache]: Analyzing trace with hash 195678765, now seen corresponding path program 1 times [2019-11-15 21:27:39,742 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:39,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926336162] [2019-11-15 21:27:39,743 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:39,743 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:39,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:27:40,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926336162] [2019-11-15 21:27:40,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:40,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-15 21:27:40,238 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982373475] [2019-11-15 21:27:40,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 21:27:40,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:40,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 21:27:40,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2019-11-15 21:27:40,239 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 17 states. [2019-11-15 21:27:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:41,763 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2019-11-15 21:27:41,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 21:27:41,764 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 46 [2019-11-15 21:27:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:41,765 INFO L225 Difference]: With dead ends: 118 [2019-11-15 21:27:41,765 INFO L226 Difference]: Without dead ends: 118 [2019-11-15 21:27:41,766 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=158, Invalid=834, Unknown=0, NotChecked=0, Total=992 [2019-11-15 21:27:41,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-15 21:27:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2019-11-15 21:27:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 21:27:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2019-11-15 21:27:41,771 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 46 [2019-11-15 21:27:41,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:41,771 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2019-11-15 21:27:41,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 21:27:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2019-11-15 21:27:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:27:41,772 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:41,772 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:41,773 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:41,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:41,782 INFO L82 PathProgramCache]: Analyzing trace with hash 905494361, now seen corresponding path program 1 times [2019-11-15 21:27:41,782 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:41,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562071539] [2019-11-15 21:27:41,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:41,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:41,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:41,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562071539] [2019-11-15 21:27:41,966 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:41,966 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 21:27:41,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142670085] [2019-11-15 21:27:41,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:27:41,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:41,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:27:41,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:27:41,967 INFO L87 Difference]: Start difference. First operand 113 states and 120 transitions. Second operand 11 states. [2019-11-15 21:27:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:42,525 INFO L93 Difference]: Finished difference Result 121 states and 128 transitions. [2019-11-15 21:27:42,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 21:27:42,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-11-15 21:27:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:42,527 INFO L225 Difference]: With dead ends: 121 [2019-11-15 21:27:42,527 INFO L226 Difference]: Without dead ends: 121 [2019-11-15 21:27:42,528 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:27:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-15 21:27:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2019-11-15 21:27:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-15 21:27:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 125 transitions. [2019-11-15 21:27:42,533 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 125 transitions. Word has length 45 [2019-11-15 21:27:42,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:42,533 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 125 transitions. [2019-11-15 21:27:42,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:27:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2019-11-15 21:27:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:27:42,534 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:42,534 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] [2019-11-15 21:27:42,534 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:27:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:42,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1771074466, now seen corresponding path program 1 times [2019-11-15 21:27:42,535 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:42,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416954994] [2019-11-15 21:27:42,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:42,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:42,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:27:43,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416954994] [2019-11-15 21:27:43,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361283340] [2019-11-15 21:27:43,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:27:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:43,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-15 21:27:43,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:27:43,462 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 13 treesize of output 9 [2019-11-15 21:27:43,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:27:43,468 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:43,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:27:43,469 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2019-11-15 21:27:44,426 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 21:27:44,457 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:44,457 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 21:27:44,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:27:44,473 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 21:27:44,473 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 21:27:44,473 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 21:27:44,662 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 19 treesize of output 7 [2019-11-15 21:27:44,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:27:44,663 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:27:44,663 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:27:44,664 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 21:27:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:27:44,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:27:44,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 29 [2019-11-15 21:27:44,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714038460] [2019-11-15 21:27:44,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 21:27:44,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:44,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 21:27:44,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=721, Unknown=1, NotChecked=54, Total=870 [2019-11-15 21:27:44,670 INFO L87 Difference]: Start difference. First operand 118 states and 125 transitions. Second operand 16 states. [2019-11-15 21:28:00,775 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 19 [2019-11-15 21:28:03,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:03,649 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2019-11-15 21:28:03,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 21:28:03,650 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2019-11-15 21:28:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:03,651 INFO L225 Difference]: With dead ends: 118 [2019-11-15 21:28:03,651 INFO L226 Difference]: Without dead ends: 118 [2019-11-15 21:28:03,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=201, Invalid=1503, Unknown=22, NotChecked=80, Total=1806 [2019-11-15 21:28:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-15 21:28:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2019-11-15 21:28:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-15 21:28:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 124 transitions. [2019-11-15 21:28:03,656 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 124 transitions. Word has length 47 [2019-11-15 21:28:03,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:03,656 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 124 transitions. [2019-11-15 21:28:03,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 21:28:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2019-11-15 21:28:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-15 21:28:03,657 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:03,657 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] [2019-11-15 21:28:03,860 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:03,861 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:28:03,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:03,861 INFO L82 PathProgramCache]: Analyzing trace with hash -742044761, now seen corresponding path program 1 times [2019-11-15 21:28:03,861 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:03,861 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617545797] [2019-11-15 21:28:03,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:03,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:03,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:04,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:28:04,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617545797] [2019-11-15 21:28:04,171 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:04,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-15 21:28:04,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751524528] [2019-11-15 21:28:04,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 21:28:04,172 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:04,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 21:28:04,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-11-15 21:28:04,173 INFO L87 Difference]: Start difference. First operand 117 states and 124 transitions. Second operand 16 states. [2019-11-15 21:28:04,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:04,903 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2019-11-15 21:28:04,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 21:28:04,903 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2019-11-15 21:28:04,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:04,904 INFO L225 Difference]: With dead ends: 118 [2019-11-15 21:28:04,904 INFO L226 Difference]: Without dead ends: 118 [2019-11-15 21:28:04,905 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2019-11-15 21:28:04,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-15 21:28:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2019-11-15 21:28:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-15 21:28:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2019-11-15 21:28:04,908 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 123 transitions. Word has length 48 [2019-11-15 21:28:04,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:04,908 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 123 transitions. [2019-11-15 21:28:04,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 21:28:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2019-11-15 21:28:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-15 21:28:04,908 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:04,908 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] [2019-11-15 21:28:04,909 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:28:04,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:04,909 INFO L82 PathProgramCache]: Analyzing trace with hash -931266260, now seen corresponding path program 1 times [2019-11-15 21:28:04,909 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:04,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306905235] [2019-11-15 21:28:04,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:04,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:04,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:28:05,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306905235] [2019-11-15 21:28:05,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369951033] [2019-11-15 21:28:05,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:05,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-15 21:28:05,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:28:05,582 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 13 treesize of output 9 [2019-11-15 21:28:05,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:05,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:05,590 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 21:28:05,590 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-11-15 21:28:05,601 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 11 treesize of output 5 [2019-11-15 21:28:05,601 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:05,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:05,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:05,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 21:28:06,380 WARN L860 $PredicateComparison]: unable to prove that (exists ((|f19_#t~ret38.base| Int) (f19_~a.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base|) f19_~a.offset |f19_#t~ret38.base|))) (<= f19_~a.offset |c_f19_#in~a.offset|))) is different from true [2019-11-15 21:28:06,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:28:06,397 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 23 treesize of output 22 [2019-11-15 21:28:06,397 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:06,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:06,405 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:06,405 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 21:28:06,459 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 21 treesize of output 9 [2019-11-15 21:28:06,459 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:06,461 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:06,461 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:06,461 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2019-11-15 21:28:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:28:06,467 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:28:06,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 21 [2019-11-15 21:28:06,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449581274] [2019-11-15 21:28:06,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 21:28:06,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:06,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 21:28:06,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=362, Unknown=1, NotChecked=38, Total=462 [2019-11-15 21:28:06,468 INFO L87 Difference]: Start difference. First operand 116 states and 123 transitions. Second operand 22 states. [2019-11-15 21:28:12,512 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 21:28:14,242 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 21:28:21,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:21,588 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2019-11-15 21:28:21,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-15 21:28:21,589 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 48 [2019-11-15 21:28:21,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:21,590 INFO L225 Difference]: With dead ends: 121 [2019-11-15 21:28:21,590 INFO L226 Difference]: Without dead ends: 119 [2019-11-15 21:28:21,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=223, Invalid=1333, Unknown=8, NotChecked=76, Total=1640 [2019-11-15 21:28:21,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-15 21:28:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-15 21:28:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-15 21:28:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 125 transitions. [2019-11-15 21:28:21,594 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 125 transitions. Word has length 48 [2019-11-15 21:28:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:21,595 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 125 transitions. [2019-11-15 21:28:21,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 21:28:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2019-11-15 21:28:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:28:21,596 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:21,596 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] [2019-11-15 21:28:21,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:21,800 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:28:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:21,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1771661928, now seen corresponding path program 1 times [2019-11-15 21:28:21,801 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:21,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437695552] [2019-11-15 21:28:21,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:21,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:28:21,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437695552] [2019-11-15 21:28:21,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:28:21,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 21:28:21,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904696885] [2019-11-15 21:28:21,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:28:21,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:21,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:28:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:28:21,958 INFO L87 Difference]: Start difference. First operand 119 states and 125 transitions. Second operand 8 states. [2019-11-15 21:28:22,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:22,229 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2019-11-15 21:28:22,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:28:22,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-11-15 21:28:22,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:22,231 INFO L225 Difference]: With dead ends: 122 [2019-11-15 21:28:22,231 INFO L226 Difference]: Without dead ends: 122 [2019-11-15 21:28:22,231 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:28:22,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-15 21:28:22,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2019-11-15 21:28:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-15 21:28:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 124 transitions. [2019-11-15 21:28:22,235 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 124 transitions. Word has length 47 [2019-11-15 21:28:22,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:22,235 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 124 transitions. [2019-11-15 21:28:22,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:28:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2019-11-15 21:28:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 21:28:22,236 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:22,237 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:28:22,237 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:28:22,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:22,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1993858341, now seen corresponding path program 1 times [2019-11-15 21:28:22,238 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:22,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828711124] [2019-11-15 21:28:22,238 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:22,238 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:22,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:28:22,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828711124] [2019-11-15 21:28:22,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324899920] [2019-11-15 21:28:22,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:22,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-15 21:28:22,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:28:22,920 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2019-11-15 21:28:22,920 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:22,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:22,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:22,925 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-11-15 21:28:23,001 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 13 treesize of output 9 [2019-11-15 21:28:23,002 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:23,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:23,019 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 21:28:23,019 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2019-11-15 21:28:23,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 3 [2019-11-15 21:28:23,059 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:23,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:23,071 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 11 treesize of output 5 [2019-11-15 21:28:23,071 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:23,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:23,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:23,076 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-11-15 21:28:31,958 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-11-15 21:28:31,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:28:31,975 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 46 treesize of output 33 [2019-11-15 21:28:31,975 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:31,989 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:31,989 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:31,990 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:38 [2019-11-15 21:28:31,994 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 44 treesize of output 20 [2019-11-15 21:28:31,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:32,007 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:32,007 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 21:28:32,008 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:17 [2019-11-15 21:28:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:28:32,288 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:28:32,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2019-11-15 21:28:32,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121840099] [2019-11-15 21:28:32,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 21:28:32,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:32,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 21:28:32,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=604, Unknown=10, NotChecked=0, Total=702 [2019-11-15 21:28:32,290 INFO L87 Difference]: Start difference. First operand 119 states and 124 transitions. Second operand 27 states. [2019-11-15 21:28:42,044 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-11-15 21:28:48,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:28:48,839 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2019-11-15 21:28:48,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:28:48,839 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 46 [2019-11-15 21:28:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:28:48,840 INFO L225 Difference]: With dead ends: 125 [2019-11-15 21:28:48,840 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 21:28:48,841 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=130, Invalid=914, Unknown=12, NotChecked=0, Total=1056 [2019-11-15 21:28:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 21:28:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2019-11-15 21:28:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 21:28:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 110 transitions. [2019-11-15 21:28:48,844 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 110 transitions. Word has length 46 [2019-11-15 21:28:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:28:48,845 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 110 transitions. [2019-11-15 21:28:48,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 21:28:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2019-11-15 21:28:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 21:28:48,848 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:28:48,848 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] [2019-11-15 21:28:49,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:49,053 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:28:49,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:28:49,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1528551051, now seen corresponding path program 1 times [2019-11-15 21:28:49,054 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:28:49,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954522046] [2019-11-15 21:28:49,054 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:49,054 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:28:49,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:28:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:28:49,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954522046] [2019-11-15 21:28:49,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057192906] [2019-11-15 21:28:49,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:28:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:28:49,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 21:28:49,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:28:49,498 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 13 treesize of output 9 [2019-11-15 21:28:49,498 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:49,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:49,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:49,501 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-15 21:28:50,406 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 21:28:50,426 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:50,426 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 21:28:50,427 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:50,446 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 21:28:50,447 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 21:28:50,447 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 21:28:50,536 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 19 treesize of output 7 [2019-11-15 21:28:50,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:28:50,546 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:28:50,546 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:28:50,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 21:28:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:28:50,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:28:50,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 22 [2019-11-15 21:28:50,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245191368] [2019-11-15 21:28:50,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:28:50,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:28:50,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:28:50,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=398, Unknown=1, NotChecked=40, Total=506 [2019-11-15 21:28:50,554 INFO L87 Difference]: Start difference. First operand 106 states and 110 transitions. Second operand 11 states. [2019-11-15 21:29:00,472 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 19 [2019-11-15 21:29:01,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:29:01,835 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2019-11-15 21:29:01,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:29:01,836 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 49 [2019-11-15 21:29:01,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:29:01,837 INFO L225 Difference]: With dead ends: 105 [2019-11-15 21:29:01,837 INFO L226 Difference]: Without dead ends: 105 [2019-11-15 21:29:01,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=115, Invalid=748, Unknown=11, NotChecked=56, Total=930 [2019-11-15 21:29:01,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-15 21:29:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-15 21:29:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-15 21:29:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 109 transitions. [2019-11-15 21:29:01,840 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 109 transitions. Word has length 49 [2019-11-15 21:29:01,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:29:01,840 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 109 transitions. [2019-11-15 21:29:01,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:29:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2019-11-15 21:29:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 21:29:01,841 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:01,841 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] [2019-11-15 21:29:02,042 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:02,042 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_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, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err1REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION, probe_19Err4REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err0REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION]=== [2019-11-15 21:29:02,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:02,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1195517156, now seen corresponding path program 1 times [2019-11-15 21:29:02,043 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:29:02,043 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580287764] [2019-11-15 21:29:02,043 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:02,043 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:29:02,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:29:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:29:02,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580287764] [2019-11-15 21:29:02,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425912571] [2019-11-15 21:29:02,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:29:03,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 43 conjunts are in the unsatisfiable core [2019-11-15 21:29:03,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:29:03,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:29:03,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:03,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:03,065 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:29:03,065 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 21:29:03,106 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 13 treesize of output 9 [2019-11-15 21:29:03,106 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:29:03,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:03,114 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 21:29:03,114 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-11-15 21:29:06,348 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 25 [2019-11-15 21:29:06,385 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:29:06,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:29:06,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_41| input size 32 context size 32 output size 32 at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:29:06,590 INFO L168 Benchmark]: Toolchain (without parser) took 154830.79 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 504.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -229.6 MB). Peak memory consumption was 275.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:06,590 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:06,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:06,591 INFO L168 Benchmark]: Boogie Preprocessor took 118.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:06,591 INFO L168 Benchmark]: RCFGBuilder took 1294.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:06,591 INFO L168 Benchmark]: TraceAbstraction took 152628.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 988.4 MB in the beginning and 1.2 GB in the end (delta: -180.5 MB). Peak memory consumption was 165.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:06,592 INFO L335 ainManager$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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.60 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 1294.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.4 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 152628.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 988.4 MB in the beginning and 1.2 GB in the end (delta: -180.5 MB). Peak memory consumption was 165.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_41| input size 32 context size 32 output size 32 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_41| input size 32 context size 32 output size 32: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:29:09,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:29:09,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:29:09,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:29:09,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:29:09,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:29:09,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:29:09,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:29:09,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:29:09,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:29:09,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:29:09,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:29:09,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:29:09,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:29:09,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:29:09,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:29:09,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:29:09,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:29:09,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:29:09,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:29:09,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:29:09,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:29:09,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:29:09,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:29:09,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:29:09,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:29:09,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:29:09,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:29:09,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:29:09,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:29:09,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:29:09,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:29:09,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:29:09,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:29:09,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:29:09,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:29:09,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:29:09,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:29:09,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:29:09,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:29:09,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:29:09,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 21:29:09,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:29:09,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:29:09,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:29:09,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:29:09,119 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:29:09,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:29:09,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:29:09,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:29:09,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:29:09,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:29:09,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:29:09,122 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:29:09,122 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:29:09,122 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 21:29:09,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:29:09,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:29:09,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:29:09,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:29:09,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:29:09,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:29:09,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:29:09,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:29:09,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:29:09,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:29:09,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:29:09,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:29:09,126 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:29:09,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:29:09,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:29:09,127 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_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 -> 72d82df7d97aedab3c94a3eb173a5c41df708a8b [2019-11-15 21:29:09,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:29:09,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:29:09,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:29:09,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:29:09,214 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:29:09,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2019-11-15 21:29:09,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/a51ef1940/31cafad494ae458da2227a92bdd81b06/FLAGecc157ff8 [2019-11-15 21:29:09,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:29:09,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2019-11-15 21:29:09,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/a51ef1940/31cafad494ae458da2227a92bdd81b06/FLAGecc157ff8 [2019-11-15 21:29:10,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/bin/uautomizer/data/a51ef1940/31cafad494ae458da2227a92bdd81b06 [2019-11-15 21:29:10,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:29:10,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:29:10,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:10,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:29:10,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:29:10,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:10" (1/1) ... [2019-11-15 21:29:10,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27277169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:10, skipping insertion in model container [2019-11-15 21:29:10,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:29:10" (1/1) ... [2019-11-15 21:29:10,112 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:29:10,160 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:29:10,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:10,812 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:29:10,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:29:11,057 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:29:11,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11 WrapperNode [2019-11-15 21:29:11,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:29:11,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:29:11,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:29:11,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:29:11,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... [2019-11-15 21:29:11,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:29:11,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:29:11,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:29:11,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:29:11,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:29:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:29:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:29:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:29:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:29:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:29:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 21:29:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 21:29:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 21:29:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 21:29:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 21:29:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 21:29:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 21:29:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 21:29:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 21:29:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 21:29:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 21:29:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 21:29:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 21:29:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 21:29:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 21:29:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 21:29:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 21:29:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 21:29:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 21:29:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 21:29:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 21:29:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 21:29:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 21:29:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 21:29:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 21:29:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 21:29:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 21:29:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 21:29:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 21:29:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 21:29:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 21:29:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2019-11-15 21:29:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2019-11-15 21:29:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2019-11-15 21:29:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_19 [2019-11-15 21:29:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2019-11-15 21:29:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 21:29:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:29:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 21:29:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 21:29:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 21:29:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:29:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:29:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:29:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:29:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:29:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:29:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:29:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:29:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:29:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:29:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:29:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:29:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:29:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:29:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:29:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:29:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:29:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:29:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 21:29:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 21:29:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 21:29:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:29:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:29:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:29:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:29:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:29:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:29:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:29:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:29:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:29:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:29:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:29:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:29:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:29:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:29:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:29:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:29:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:29:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:29:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:29:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:29:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:29:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:29:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:29:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:29:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:29:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:29:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:29:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:29:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:29:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:29:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:29:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:29:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:29:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:29:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:29:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:29:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:29:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:29:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:29:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:29:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:29:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:29:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:29:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:29:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:29:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:29:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:29:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:29:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:29:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:29:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:29:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:29:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:29:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:29:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:29:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:29:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:29:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:29:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:29:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:29:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:29:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:29:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:29:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:29:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:29:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:29:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:29:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:29:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:29:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:29:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:29:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:29:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:29:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:29:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 21:29:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:29:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 21:29:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 21:29:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 21:29:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 21:29:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 21:29:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 21:29:11,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:29:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 21:29:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 21:29:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 21:29:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:29:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 21:29:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 21:29:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 21:29:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:29:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 21:29:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 21:29:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 21:29:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 21:29:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 21:29:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 21:29:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:29:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 21:29:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 21:29:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 21:29:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 21:29:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 21:29:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:29:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:29:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 21:29:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 21:29:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:29:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 21:29:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 21:29:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 21:29:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 21:29:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 21:29:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 21:29:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 21:29:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 21:29:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 21:29:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 21:29:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 21:29:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 21:29:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 21:29:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 21:29:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2019-11-15 21:29:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2019-11-15 21:29:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2019-11-15 21:29:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure probe_19 [2019-11-15 21:29:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2019-11-15 21:29:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 21:29:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:29:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:29:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:29:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:29:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:29:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 21:29:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 21:29:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 21:29:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 21:29:12,349 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:29:12,793 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:29:13,206 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:29:13,206 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 21:29:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:13 BoogieIcfgContainer [2019-11-15 21:29:13,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:29:13,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:29:13,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:29:13,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:29:13,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:29:10" (1/3) ... [2019-11-15 21:29:13,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9858e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:13, skipping insertion in model container [2019-11-15 21:29:13,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:29:11" (2/3) ... [2019-11-15 21:29:13,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9858e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:29:13, skipping insertion in model container [2019-11-15 21:29:13,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:29:13" (3/3) ... [2019-11-15 21:29:13,218 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test19-1.i [2019-11-15 21:29:13,228 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:29:13,238 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2019-11-15 21:29:13,249 INFO L249 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2019-11-15 21:29:13,268 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:29:13,269 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:29:13,269 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:29:13,269 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:29:13,269 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:29:13,269 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:29:13,270 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:29:13,270 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:29:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-15 21:29:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 21:29:13,311 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:29:13,312 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:29:13,316 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe_19Err0REQUIRES_VIOLATION, probe_19Err1REQUIRES_VIOLATION, probe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_19Err4REQUIRES_VIOLATION, probe_19Err5REQUIRES_VIOLATION, probe_19Err3REQUIRES_VIOLATION, probe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_19Err2REQUIRES_VIOLATION]=== [2019-11-15 21:29:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:29:13,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1214079896, now seen corresponding path program 1 times [2019-11-15 21:29:13,332 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:29:13,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1033712864] [2019-11-15 21:29:13,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_deaae7e3-4b6a-4eec-a3ae-2c5f4ebfad3f/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 21:29:13,580 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:29:13,580 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 21:29:13,585 INFO L168 Benchmark]: Toolchain (without parser) took 3489.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 989.6 MB in the end (delta: -49.4 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:13,585 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:29:13,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:13,586 INFO L168 Benchmark]: Boogie Preprocessor took 138.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:13,587 INFO L168 Benchmark]: RCFGBuilder took 2009.70 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: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:13,588 INFO L168 Benchmark]: TraceAbstraction took 372.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 989.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:29:13,600 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 963.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 138.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2009.70 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: 116.8 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 989.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...