./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.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/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/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 1d89c445fb84f685368054c8df68afcdc64e8108 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:51,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:51,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:51,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:51,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:51,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:51,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:51,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:51,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:51,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:51,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:51,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:51,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:51,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:51,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:51,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:51,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:51,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:51,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:51,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:51,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:51,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:51,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:51,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:51,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:51,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:51,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:51,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:51,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:51,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:51,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:51,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:51,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:51,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:51,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:51,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:51,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:51,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:51,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:51,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:51,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:51,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:56:51,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:51,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:51,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:51,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:51,789 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:51,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:51,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:51,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:51,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:51,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:51,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:51,791 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:56:51,791 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:56:51,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:56:51,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:51,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:51,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:51,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:51,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:51,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:51,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:51,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:51,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:51,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:51,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:51,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:51,794 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/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/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 -> 1d89c445fb84f685368054c8df68afcdc64e8108 [2019-10-22 08:56:51,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:51,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:51,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:51,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:51,834 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:51,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-10-22 08:56:51,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/data/1365fe54a/1d67bb6333ad419098d126f505daed05/FLAG49bfeca3a [2019-10-22 08:56:52,376 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:52,377 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-10-22 08:56:52,387 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/data/1365fe54a/1d67bb6333ad419098d126f505daed05/FLAG49bfeca3a [2019-10-22 08:56:52,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/data/1365fe54a/1d67bb6333ad419098d126f505daed05 [2019-10-22 08:56:52,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:52,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:56:52,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:52,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:52,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:52,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c03177c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52, skipping insertion in model container [2019-10-22 08:56:52,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,894 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:52,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:53,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:53,467 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:53,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:53,621 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53 WrapperNode [2019-10-22 08:56:53,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:53,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:53,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:53,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:53,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:53,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:53,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:53,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:53,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/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 [2019-10-22 08:56:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:56:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:56:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:56:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-22 08:56:53,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-22 08:56:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-10-22 08:56:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-10-22 08:56:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-10-22 08:56:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-10-22 08:56:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-10-22 08:56:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-10-22 08:56:53,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 08:56:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 08:56:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-22 08:56:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:56:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:56:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:56:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:56:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:56:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:56:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:56:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:56:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:56:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:56:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:56:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:56:53,763 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:56:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:56:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:56:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:56:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:56:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:56:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:56:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:56:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:56:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:56:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:56:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:56:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:56:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:56:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:56:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:56:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-22 08:56:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-22 08:56:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-10-22 08:56:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-10-22 08:56:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-22 08:56:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-10-22 08:56:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2019-10-22 08:56:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-10-22 08:56:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:56:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:56:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 08:56:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 08:56:54,288 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:54,540 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:56:54,787 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:54,787 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 08:56:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:54 BoogieIcfgContainer [2019-10-22 08:56:54,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:54,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:54,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:54,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:54,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:52" (1/3) ... [2019-10-22 08:56:54,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f513a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:54, skipping insertion in model container [2019-10-22 08:56:54,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (2/3) ... [2019-10-22 08:56:54,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f513a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:54, skipping insertion in model container [2019-10-22 08:56:54,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:54" (3/3) ... [2019-10-22 08:56:54,794 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2019-10-22 08:56:54,802 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:54,809 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-10-22 08:56:54,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-10-22 08:56:54,835 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:54,835 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:56:54,835 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:54,835 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:54,835 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:54,835 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:54,836 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:54,836 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-10-22 08:56:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:56:54,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:54,860 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:54,861 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:54,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:54,866 INFO L82 PathProgramCache]: Analyzing trace with hash 422173552, now seen corresponding path program 1 times [2019-10-22 08:56:54,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:54,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601470226] [2019-10-22 08:56:54,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:54,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:54,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:55,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601470226] [2019-10-22 08:56:55,225 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:55,225 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:56:55,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037007551] [2019-10-22 08:56:55,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:55,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:55,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:55,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:55,239 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 8 states. [2019-10-22 08:56:55,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:55,578 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2019-10-22 08:56:55,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:56:55,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-10-22 08:56:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:55,597 INFO L225 Difference]: With dead ends: 45 [2019-10-22 08:56:55,601 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 08:56:55,609 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:56:55,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 08:56:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-10-22 08:56:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 08:56:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2019-10-22 08:56:55,662 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 18 [2019-10-22 08:56:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:55,664 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2019-10-22 08:56:55,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2019-10-22 08:56:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:55,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:55,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:55,666 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash 202478509, now seen corresponding path program 1 times [2019-10-22 08:56:55,667 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:55,667 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329327953] [2019-10-22 08:56:55,667 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:55,667 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:55,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:55,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329327953] [2019-10-22 08:56:55,911 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:55,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:56:55,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279714909] [2019-10-22 08:56:55,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:55,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:55,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:55,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:55,914 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2019-10-22 08:56:56,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,073 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-10-22 08:56:56,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:56,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-10-22 08:56:56,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,074 INFO L225 Difference]: With dead ends: 42 [2019-10-22 08:56:56,075 INFO L226 Difference]: Without dead ends: 40 [2019-10-22 08:56:56,075 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:56:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-22 08:56:56,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-10-22 08:56:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 08:56:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-10-22 08:56:56,081 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2019-10-22 08:56:56,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,082 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-10-22 08:56:56,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-10-22 08:56:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:56,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,083 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,083 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,084 INFO L82 PathProgramCache]: Analyzing trace with hash 5965004, now seen corresponding path program 1 times [2019-10-22 08:56:56,084 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752827856] [2019-10-22 08:56:56,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,084 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752827856] [2019-10-22 08:56:56,245 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:56:56,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923462594] [2019-10-22 08:56:56,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:56,246 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:56,246 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 8 states. [2019-10-22 08:56:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,433 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2019-10-22 08:56:56,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:56,433 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-10-22 08:56:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,434 INFO L225 Difference]: With dead ends: 38 [2019-10-22 08:56:56,434 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 08:56:56,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:56:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 08:56:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2019-10-22 08:56:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 08:56:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2019-10-22 08:56:56,438 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 19 [2019-10-22 08:56:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,439 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2019-10-22 08:56:56,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2019-10-22 08:56:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:56:56,440 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,440 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:56,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1981866770, now seen corresponding path program 1 times [2019-10-22 08:56:56,441 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771501467] [2019-10-22 08:56:56,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771501467] [2019-10-22 08:56:56,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,624 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:56:56,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985892856] [2019-10-22 08:56:56,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:56,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:56,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:56,626 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 8 states. [2019-10-22 08:56:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:56,739 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-10-22 08:56:56,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:56:56,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-10-22 08:56:56,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:56,741 INFO L225 Difference]: With dead ends: 30 [2019-10-22 08:56:56,741 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 08:56:56,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:56:56,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 08:56:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2019-10-22 08:56:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:56:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-10-22 08:56:56,745 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2019-10-22 08:56:56,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:56,745 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2019-10-22 08:56:56,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2019-10-22 08:56:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:56:56,746 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:56,746 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,747 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:56,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,748 INFO L82 PathProgramCache]: Analyzing trace with hash 2072725395, now seen corresponding path program 1 times [2019-10-22 08:56:56,748 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491106638] [2019-10-22 08:56:56,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491106638] [2019-10-22 08:56:56,914 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,914 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 08:56:56,914 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765130635] [2019-10-22 08:56:56,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:56:56,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:56,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:56:56,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:56,915 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 10 states. [2019-10-22 08:56:57,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,111 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-10-22 08:56:57,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:57,112 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-10-22 08:56:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,113 INFO L225 Difference]: With dead ends: 27 [2019-10-22 08:56:57,113 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:56:57,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:56:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:56:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:56:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:56:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2019-10-22 08:56:57,116 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2019-10-22 08:56:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,117 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2019-10-22 08:56:57,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:56:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-10-22 08:56:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:56:57,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:57,118 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] [2019-10-22 08:56:57,118 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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]=== [2019-10-22 08:56:57,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1194977362, now seen corresponding path program 1 times [2019-10-22 08:56:57,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480357440] [2019-10-22 08:56:57,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480357440] [2019-10-22 08:56:57,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 08:56:57,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803412976] [2019-10-22 08:56:57,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:56:57,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:56:57,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:57,293 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 10 states. [2019-10-22 08:56:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,427 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2019-10-22 08:56:57,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:57,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-10-22 08:56:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:57,428 INFO L225 Difference]: With dead ends: 26 [2019-10-22 08:56:57,429 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:57,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:56:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:57,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 08:56:57,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:57,430 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:57,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:56:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:57,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:57,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:57 BoogieIcfgContainer [2019-10-22 08:56:57,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:57,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:57,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:57,437 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:57,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:54" (3/4) ... [2019-10-22 08:56:57,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_8 [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-10-22 08:56:57,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-10-22 08:56:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-10-22 08:56:57,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_8 [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-10-22 08:56:57,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-10-22 08:56:57,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-10-22 08:56:57,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-10-22 08:56:57,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-10-22 08:56:57,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:56:57,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:57,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:57,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:57,511 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_41234e6e-1299-407d-b8ae-78a8971dd951/bin/uautomizer/witness.graphml [2019-10-22 08:56:57,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:57,513 INFO L168 Benchmark]: Toolchain (without parser) took 4640.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.7 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -145.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,514 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:57,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,515 INFO L168 Benchmark]: Boogie Preprocessor took 69.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,515 INFO L168 Benchmark]: RCFGBuilder took 1096.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,515 INFO L168 Benchmark]: TraceAbstraction took 2647.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 998.9 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:57,516 INFO L168 Benchmark]: Witness Printer took 75.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:57,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 747.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1096.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2647.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 998.9 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 75.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 683]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 745]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 589]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 661]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 659]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 703]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 701]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 595]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 770]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 624]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 669]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 667]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 579]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 338 locations, 74 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 141 SDslu, 287 SDs, 0 SdLazy, 535 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 13593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...