./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/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 d6cb25c527490bca1238d24ce8da26fb69eb259c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 19:58:20,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 19:58:20,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 19:58:20,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 19:58:20,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 19:58:20,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 19:58:20,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 19:58:20,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 19:58:20,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 19:58:20,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 19:58:20,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 19:58:20,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 19:58:20,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 19:58:20,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 19:58:20,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 19:58:20,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 19:58:20,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 19:58:20,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 19:58:20,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 19:58:20,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 19:58:20,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 19:58:20,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 19:58:20,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 19:58:20,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 19:58:20,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 19:58:20,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 19:58:20,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 19:58:20,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 19:58:20,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 19:58:20,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 19:58:20,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 19:58:20,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 19:58:20,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 19:58:20,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 19:58:20,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 19:58:20,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 19:58:20,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 19:58:20,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 19:58:20,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 19:58:20,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 19:58:20,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 19:58:20,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 19:58:20,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 19:58:20,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 19:58:20,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 19:58:20,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 19:58:20,768 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 19:58:20,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 19:58:20,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 19:58:20,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 19:58:20,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 19:58:20,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 19:58:20,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 19:58:20,769 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 19:58:20,769 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 19:58:20,770 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 19:58:20,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 19:58:20,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 19:58:20,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 19:58:20,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 19:58:20,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 19:58:20,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 19:58:20,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 19:58:20,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 19:58:20,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 19:58:20,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 19:58:20,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 19:58:20,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 19:58:20,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/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 -> d6cb25c527490bca1238d24ce8da26fb69eb259c [2019-11-15 19:58:20,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 19:58:20,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 19:58:20,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 19:58:20,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 19:58:20,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 19:58:20,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-15 19:58:20,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/data/8c735c9f2/d602e7a94a084063ab9f15b818bfc04c/FLAGc6dd12fff [2019-11-15 19:58:21,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 19:58:21,334 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2019-11-15 19:58:21,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/data/8c735c9f2/d602e7a94a084063ab9f15b818bfc04c/FLAGc6dd12fff [2019-11-15 19:58:21,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/data/8c735c9f2/d602e7a94a084063ab9f15b818bfc04c [2019-11-15 19:58:21,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 19:58:21,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 19:58:21,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 19:58:21,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 19:58:21,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 19:58:21,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:58:21" (1/1) ... [2019-11-15 19:58:21,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3c3cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:21, skipping insertion in model container [2019-11-15 19:58:21,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:58:21" (1/1) ... [2019-11-15 19:58:21,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 19:58:21,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 19:58:22,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:58:22,154 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 19:58:22,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:58:22,328 INFO L192 MainTranslator]: Completed translation [2019-11-15 19:58:22,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22 WrapperNode [2019-11-15 19:58:22,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 19:58:22,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 19:58:22,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 19:58:22,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 19:58:22,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... [2019-11-15 19:58:22,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 19:58:22,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 19:58:22,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 19:58:22,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 19:58:22,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 19:58:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 19:58:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 19:58:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 19:58:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 19:58:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 19:58:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 19:58:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 19:58:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 19:58:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 19:58:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 19:58:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 19:58:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 19:58:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 19:58:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 19:58:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 19:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 19:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 19:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 19:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 19:58:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 19:58:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 19:58:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 19:58:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 19:58:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 19:58:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 19:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 19:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 19:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 19:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 19:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 19:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 19:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 19:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 19:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 19:58:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 19:58:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 19:58:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 19:58:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 19:58:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 19:58:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 19:58:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 19:58:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 19:58:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 19:58:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 19:58:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 19:58:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 19:58:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 19:58:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 19:58:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 19:58:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 19:58:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 19:58:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 19:58:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 19:58:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 19:58:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 19:58:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 19:58:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 19:58:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 19:58:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 19:58:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 19:58:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 19:58:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 19:58:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 19:58:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 19:58:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 19:58:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 19:58:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 19:58:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 19:58:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 19:58:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 19:58:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 19:58:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 19:58:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 19:58:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 19:58:23,102 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 19:58:23,348 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 19:58:23,629 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 19:58:23,629 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 19:58:23,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:58:23 BoogieIcfgContainer [2019-11-15 19:58:23,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 19:58:23,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 19:58:23,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 19:58:23,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 19:58:23,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 07:58:21" (1/3) ... [2019-11-15 19:58:23,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17087953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:58:23, skipping insertion in model container [2019-11-15 19:58:23,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:58:22" (2/3) ... [2019-11-15 19:58:23,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17087953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:58:23, skipping insertion in model container [2019-11-15 19:58:23,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:58:23" (3/3) ... [2019-11-15 19:58:23,647 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2019-11-15 19:58:23,657 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 19:58:23,672 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2019-11-15 19:58:23,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2019-11-15 19:58:23,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 19:58:23,705 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 19:58:23,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 19:58:23,705 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 19:58:23,705 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 19:58:23,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 19:58:23,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 19:58:23,707 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 19:58:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-11-15 19:58:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 19:58:23,748 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:58:23,749 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:58:23,753 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 19:58:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:58:23,759 INFO L82 PathProgramCache]: Analyzing trace with hash -855747634, now seen corresponding path program 1 times [2019-11-15 19:58:23,767 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:58:23,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585174326] [2019-11-15 19:58:23,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:23,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:23,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:58:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 19:58:24,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585174326] [2019-11-15 19:58:24,041 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 19:58:24,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 19:58:24,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107944866] [2019-11-15 19:58:24,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 19:58:24,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 19:58:24,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 19:58:24,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 19:58:24,065 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 7 states. [2019-11-15 19:58:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 19:58:24,315 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-11-15 19:58:24,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 19:58:24,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-15 19:58:24,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 19:58:24,333 INFO L225 Difference]: With dead ends: 37 [2019-11-15 19:58:24,333 INFO L226 Difference]: Without dead ends: 34 [2019-11-15 19:58:24,336 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-15 19:58:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-15 19:58:24,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2019-11-15 19:58:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 19:58:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-15 19:58:24,376 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2019-11-15 19:58:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 19:58:24,377 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-15 19:58:24,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 19:58:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-15 19:58:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 19:58:24,378 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:58:24,378 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:58:24,379 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 19:58:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:58:24,379 INFO L82 PathProgramCache]: Analyzing trace with hash -758372510, now seen corresponding path program 1 times [2019-11-15 19:58:24,380 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:58:24,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310568071] [2019-11-15 19:58:24,380 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:24,380 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:24,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:58:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:58:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 19:58:24,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310568071] [2019-11-15 19:58:24,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 19:58:24,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 19:58:24,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700773054] [2019-11-15 19:58:24,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 19:58:24,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 19:58:24,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 19:58:24,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 19:58:24,531 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 7 states. [2019-11-15 19:58:24,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 19:58:24,727 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2019-11-15 19:58:24,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 19:58:24,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-15 19:58:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 19:58:24,729 INFO L225 Difference]: With dead ends: 32 [2019-11-15 19:58:24,729 INFO L226 Difference]: Without dead ends: 32 [2019-11-15 19:58:24,730 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 19:58:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-15 19:58:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2019-11-15 19:58:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-15 19:58:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-11-15 19:58:24,740 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 14 [2019-11-15 19:58:24,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 19:58:24,741 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-11-15 19:58:24,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 19:58:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-11-15 19:58:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 19:58:24,742 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:58:24,743 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:58:24,743 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 19:58:24,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:58:24,744 INFO L82 PathProgramCache]: Analyzing trace with hash -729743359, now seen corresponding path program 1 times [2019-11-15 19:58:24,745 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:58:24,745 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440187902] [2019-11-15 19:58:24,745 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:24,745 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:58:24,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:58:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:58:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:58:24,836 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:58:24,837 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 19:58:24,852 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 19:58:24,854 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 19:58:24,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 07:58:24 BoogieIcfgContainer [2019-11-15 19:58:24,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 19:58:24,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 19:58:24,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 19:58:24,865 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 19:58:24,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:58:23" (3/4) ... [2019-11-15 19:58:24,870 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 19:58:24,881 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 19:58:24,882 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-15 19:58:24,948 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_985a3d94-3a85-473e-ae98-d62b06b8a45b/bin/uautomizer/witness.graphml [2019-11-15 19:58:24,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 19:58:24,950 INFO L168 Benchmark]: Toolchain (without parser) took 3312.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.3 MB in the beginning and 938.4 MB in the end (delta: 985.4 kB). Peak memory consumption was 175.0 MB. Max. memory is 11.5 GB. [2019-11-15 19:58:24,951 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:58:24,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 19:58:24,957 INFO L168 Benchmark]: Boogie Preprocessor took 102.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 19:58:24,957 INFO L168 Benchmark]: RCFGBuilder took 1201.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-15 19:58:24,958 INFO L168 Benchmark]: TraceAbstraction took 1229.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.4 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-11-15 19:58:24,958 INFO L168 Benchmark]: Witness Printer took 83.15 ms. Allocated memory is still 1.2 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:58:24,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 691.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1201.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1229.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 938.4 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * Witness Printer took 83.15 ms. Allocated memory is still 1.2 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={1:0}] [L764] CALL entry_point() VAL [ldv_global_msg_list={1:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L527] COND FALSE !(__VERIFIER_nondet_int()) [L530] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={1:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={0:0}] [L759] int *p = (int *)ldv_malloc(sizeof(int)); [L760] free(p) VAL [ldv_global_msg_list={1:0}, p={0:0}] [L760] free(p) VAL [ldv_global_msg_list={1:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 336 locations, 77 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 34 SDslu, 106 SDs, 0 SdLazy, 169 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...