./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 125d21fdba418d3c85b5fbd41a83cfaf1640fafb .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 125d21fdba418d3c85b5fbd41a83cfaf1640fafb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:06:19,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:06:19,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:06:19,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:06:19,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:06:19,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:06:19,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:06:19,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:06:19,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:06:19,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:06:19,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:06:19,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:06:19,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:06:19,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:06:19,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:06:19,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:06:19,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:06:19,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:06:19,959 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:06:19,960 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:06:19,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:06:19,961 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:06:19,963 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:06:19,963 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:06:19,963 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:06:19,963 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:06:19,964 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:06:19,964 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:06:19,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:06:19,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:06:19,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:06:19,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:06:19,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:06:19,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:06:19,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:06:19,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:06:19,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-09 11:06:19,974 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:06:19,974 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:06:19,975 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:06:19,975 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:06:19,975 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:06:19,975 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:06:19,976 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:06:19,976 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:06:19,977 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:06:19,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:06:19,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:06:19,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 -> 125d21fdba418d3c85b5fbd41a83cfaf1640fafb [2018-12-09 11:06:19,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:06:20,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:06:20,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:06:20,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:06:20,008 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:06:20,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:20,048 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/9d580b442/0862d5096d0a4ee78f3781afa150ec51/FLAGcff6e0c60 [2018-12-09 11:06:20,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:06:20,499 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:20,507 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/9d580b442/0862d5096d0a4ee78f3781afa150ec51/FLAGcff6e0c60 [2018-12-09 11:06:20,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/9d580b442/0862d5096d0a4ee78f3781afa150ec51 [2018-12-09 11:06:20,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:06:20,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 11:06:20,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:06:20,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:06:20,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:06:20,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20, skipping insertion in model container [2018-12-09 11:06:20,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:06:20,550 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:06:20,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:06:20,780 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:06:20,815 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:06:20,850 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:06:20,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20 WrapperNode [2018-12-09 11:06:20,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:06:20,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:06:20,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:06:20,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:06:20,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... [2018-12-09 11:06:20,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:06:20,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:06:20,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:06:20,897 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:06:20,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:06:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-09 11:06:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-09 11:06:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-09 11:06:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-09 11:06:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-09 11:06:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-09 11:06:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-09 11:06:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-09 11:06:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-09 11:06:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-09 11:06:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-09 11:06:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-09 11:06:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-09 11:06:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:06:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 11:06:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:06:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-09 11:06:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 11:06:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-09 11:06:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-09 11:06:21,182 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:06:21,304 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:06:21,418 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:06:21,418 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:06:21,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:21 BoogieIcfgContainer [2018-12-09 11:06:21,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:06:21,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:06:21,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:06:21,421 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:06:21,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:06:20" (1/3) ... [2018-12-09 11:06:21,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81bb766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:06:21, skipping insertion in model container [2018-12-09 11:06:21,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:20" (2/3) ... [2018-12-09 11:06:21,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81bb766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:06:21, skipping insertion in model container [2018-12-09 11:06:21,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:21" (3/3) ... [2018-12-09 11:06:21,423 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:21,428 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:06:21,433 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-12-09 11:06:21,443 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-12-09 11:06:21,457 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:06:21,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:06:21,458 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 11:06:21,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:06:21,458 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:06:21,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:06:21,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:06:21,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:06:21,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:06:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-12-09 11:06:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:06:21,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:21,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:06:21,477 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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]=== [2018-12-09 11:06:21,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:21,480 INFO L82 PathProgramCache]: Analyzing trace with hash 434051556, now seen corresponding path program 1 times [2018-12-09 11:06:21,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:06:21,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:06:21,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:21,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:06:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:06:21,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:06:21,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:06:21,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:06:21,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:06:21,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:06:21,650 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 7 states. [2018-12-09 11:06:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:21,690 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-09 11:06:21,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:06:21,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 11:06:21,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:21,696 INFO L225 Difference]: With dead ends: 31 [2018-12-09 11:06:21,696 INFO L226 Difference]: Without dead ends: 28 [2018-12-09 11:06:21,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:06:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-09 11:06:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-09 11:06:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 11:06:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-12-09 11:06:21,719 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 20 [2018-12-09 11:06:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:21,719 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-12-09 11:06:21,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:06:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 11:06:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:06:21,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:21,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:06:21,720 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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]=== [2018-12-09 11:06:21,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:21,721 INFO L82 PathProgramCache]: Analyzing trace with hash 570696674, now seen corresponding path program 1 times [2018-12-09 11:06:21,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:06:21,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:06:21,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:21,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:06:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:06:21,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:06:21,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:06:21,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:06:21,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:06:21,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:06:21,772 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 7 states. [2018-12-09 11:06:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:21,791 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-12-09 11:06:21,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:06:21,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 11:06:21,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:21,792 INFO L225 Difference]: With dead ends: 27 [2018-12-09 11:06:21,792 INFO L226 Difference]: Without dead ends: 27 [2018-12-09 11:06:21,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:06:21,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-09 11:06:21,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-09 11:06:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 11:06:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-12-09 11:06:21,795 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 21 [2018-12-09 11:06:21,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:21,795 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-12-09 11:06:21,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:06:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-09 11:06:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:06:21,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:21,796 INFO L402 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] [2018-12-09 11:06:21,796 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, 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_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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]=== [2018-12-09 11:06:21,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:21,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1969802054, now seen corresponding path program 1 times [2018-12-09 11:06:21,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:06:21,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:06:21,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:21,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:06:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:06:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:06:21,828 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:06:21,835 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 11:06:21,839 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 11:06:21,839 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 11:06:21,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:06:21 BoogieIcfgContainer [2018-12-09 11:06:21,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:06:21,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:06:21,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:06:21,845 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:06:21,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:21" (3/4) ... [2018-12-09 11:06:21,848 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:06:21,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:06:21,849 INFO L168 Benchmark]: Toolchain (without parser) took 1331.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 956.0 MB in the beginning and 961.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 146.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:21,850 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:21,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:21,850 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:21,850 INFO L168 Benchmark]: RCFGBuilder took 521.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:21,851 INFO L168 Benchmark]: TraceAbstraction took 425.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 961.7 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:21,851 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 1.2 GB. Free memory is still 961.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:21,853 INFO L336 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 521.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 425.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 961.7 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.76 ms. Allocated memory is still 1.2 GB. Free memory is still 961.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1449]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1449. Possible FailurePath: [L1135] 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={12:0}] [L1450] CALL entry_point() VAL [ldv_global_msg_list={12:0}] [L1445] CALL, EXPR f5() VAL [ldv_global_msg_list={12:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={12:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={13:0}, ldv_global_msg_list={12:0}, malloc(size)={13:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={12:0}, ldv_malloc(sizeof(int))={13:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] return 0; VAL [\result={0:0}, ldv_global_msg_list={12:0}, p={13:0}] [L1445] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={12:0}] [L1445] int *p = f5(); [L1446] CALL g5(p) VAL [ldv_global_msg_list={12:0}, p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={12:0}, p={0:0}, p={0:0}] [L1446] RET g5(p) VAL [ldv_global_msg_list={12:0}, p={0:0}] [L1450] RET entry_point() VAL [ldv_global_msg_list={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 320 locations, 69 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 23 SDslu, 220 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:06:23,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:06:23,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:06:23,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:06:23,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:06:23,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:06:23,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:06:23,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:06:23,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:06:23,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:06:23,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:06:23,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:06:23,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:06:23,234 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:06:23,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:06:23,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:06:23,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:06:23,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:06:23,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:06:23,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:06:23,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:06:23,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:06:23,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:06:23,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:06:23,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:06:23,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:06:23,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:06:23,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:06:23,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:06:23,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:06:23,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:06:23,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:06:23,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:06:23,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:06:23,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:06:23,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:06:23,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-09 11:06:23,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:06:23,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:06:23,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:06:23,259 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:06:23,259 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:06:23,259 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:06:23,259 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:06:23,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:06:23,260 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:06:23,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:06:23,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:06:23,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:06:23,262 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 -> 125d21fdba418d3c85b5fbd41a83cfaf1640fafb [2018-12-09 11:06:23,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:06:23,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:06:23,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:06:23,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:06:23,295 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:06:23,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:23,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/a0dab3255/03091206829e4816800ffa9f66745ea1/FLAG2c56507ed [2018-12-09 11:06:23,781 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:06:23,781 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:23,789 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/a0dab3255/03091206829e4816800ffa9f66745ea1/FLAG2c56507ed [2018-12-09 11:06:23,798 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/data/a0dab3255/03091206829e4816800ffa9f66745ea1 [2018-12-09 11:06:23,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:06:23,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 11:06:23,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:06:23,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:06:23,803 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:06:23,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:06:23" (1/1) ... [2018-12-09 11:06:23,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:23, skipping insertion in model container [2018-12-09 11:06:23,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:06:23" (1/1) ... [2018-12-09 11:06:23,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:06:23,840 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:06:24,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:06:24,091 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:06:24,156 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:06:24,190 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:06:24,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24 WrapperNode [2018-12-09 11:06:24,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:06:24,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:06:24,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:06:24,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:06:24,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... [2018-12-09 11:06:24,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:06:24,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:06:24,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:06:24,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:06:24,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/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 [2018-12-09 11:06:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:06:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:06:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:06:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 11:06:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-09 11:06:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2018-12-09 11:06:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2018-12-09 11:06:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 11:06:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:06:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 11:06:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-09 11:06:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-09 11:06:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-09 11:06:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-09 11:06:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-09 11:06:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-09 11:06:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-09 11:06:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 11:06:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-09 11:06:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-09 11:06:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 11:06:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 11:06:24,540 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:06:24,787 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:06:24,986 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:06:24,986 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:06:24,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:24 BoogieIcfgContainer [2018-12-09 11:06:24,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:06:24,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:06:24,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:06:24,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:06:24,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:06:23" (1/3) ... [2018-12-09 11:06:24,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3109ead6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:06:24, skipping insertion in model container [2018-12-09 11:06:24,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:06:24" (2/3) ... [2018-12-09 11:06:24,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3109ead6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:06:24, skipping insertion in model container [2018-12-09 11:06:24,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:24" (3/3) ... [2018-12-09 11:06:24,993 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-12-09 11:06:25,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:06:25,008 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-12-09 11:06:25,018 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-12-09 11:06:25,034 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:06:25,034 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:06:25,034 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 11:06:25,034 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:06:25,034 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:06:25,034 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:06:25,035 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:06:25,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:06:25,035 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:06:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-12-09 11:06:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:06:25,051 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:25,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:06:25,053 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-09 11:06:25,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:25,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1069381091, now seen corresponding path program 1 times [2018-12-09 11:06:25,060 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:06:25,060 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 11:06:25,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:06:25,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:06:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:06:25,169 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:06:25,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:06:25,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:06:25,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:06:25,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:06:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:06:25,189 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 7 states. [2018-12-09 11:06:25,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:25,239 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-12-09 11:06:25,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:06:25,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-12-09 11:06:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:25,247 INFO L225 Difference]: With dead ends: 31 [2018-12-09 11:06:25,247 INFO L226 Difference]: Without dead ends: 28 [2018-12-09 11:06:25,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:06:25,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-09 11:06:25,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-09 11:06:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-09 11:06:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-12-09 11:06:25,269 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 20 [2018-12-09 11:06:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:25,269 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-12-09 11:06:25,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:06:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 11:06:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:06:25,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:25,270 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:06:25,270 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-09 11:06:25,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:25,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1208924222, now seen corresponding path program 1 times [2018-12-09 11:06:25,271 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:06:25,271 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 11:06:25,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:06:25,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:06:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:06:25,336 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:06:25,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:06:25,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:06:25,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:06:25,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:06:25,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:06:25,338 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2018-12-09 11:06:25,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:06:25,376 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-12-09 11:06:25,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:06:25,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-12-09 11:06:25,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:06:25,377 INFO L225 Difference]: With dead ends: 26 [2018-12-09 11:06:25,377 INFO L226 Difference]: Without dead ends: 25 [2018-12-09 11:06:25,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:06:25,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-09 11:06:25,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-09 11:06:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-09 11:06:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-09 11:06:25,381 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 21 [2018-12-09 11:06:25,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:06:25,381 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-12-09 11:06:25,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:06:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-09 11:06:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:06:25,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:06:25,382 INFO L402 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] [2018-12-09 11:06:25,382 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err1ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-09 11:06:25,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:06:25,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1579613958, now seen corresponding path program 1 times [2018-12-09 11:06:25,383 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:06:25,383 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bef723d-a3d4-443f-a733-d177b24bbc05/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 11:06:25,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:06:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:06:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:06:25,488 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:06:25,499 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 11:06:25,503 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 11:06:25,504 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-09 11:06:25,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:06:25 BoogieIcfgContainer [2018-12-09 11:06:25,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:06:25,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:06:25,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:06:25,511 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:06:25,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:06:24" (3/4) ... [2018-12-09 11:06:25,514 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:06:25,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:06:25,515 INFO L168 Benchmark]: Toolchain (without parser) took 1715.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 914.6 MB in the end (delta: 24.8 MB). Peak memory consumption was 161.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,516 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:25,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,517 INFO L168 Benchmark]: Boogie Preprocessor took 44.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:25,517 INFO L168 Benchmark]: RCFGBuilder took 751.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.3 MB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,518 INFO L168 Benchmark]: TraceAbstraction took 522.79 ms. Allocated memory is still 1.2 GB. Free memory was 990.3 MB in the beginning and 914.6 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:06:25,518 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 914.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:06:25,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 751.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.3 MB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 522.79 ms. Allocated memory is still 1.2 GB. Free memory was 990.3 MB in the beginning and 914.6 MB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 914.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1449]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1449. Possible FailurePath: [L1135] 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={-2146401247:0}] [L1450] CALL entry_point() VAL [ldv_global_msg_list={-2146401247:0}] [L1445] CALL, EXPR f5() VAL [ldv_global_msg_list={-2146401247:0}] [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={1082401:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1434] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] return 0; VAL [\result={0:0}, ldv_global_msg_list={-2146401247:0}, p={1082401:0}] [L1445] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={-2146401247:0}] [L1445] int *p = f5(); [L1446] CALL g5(p) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}, p={0:0}] [L1446] RET g5(p) VAL [ldv_global_msg_list={-2146401247:0}, p={0:0}] [L1450] RET entry_point() VAL [ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 319 locations, 69 error locations. UNSAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 21 SDslu, 238 SDs, 0 SdLazy, 52 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1327 SizeOfPredicates, 3 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...