java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 16:17:37,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 16:17:37,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 16:17:37,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 16:17:37,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 16:17:37,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 16:17:37,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 16:17:37,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 16:17:37,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 16:17:37,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 16:17:37,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 16:17:37,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 16:17:37,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 16:17:37,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 16:17:37,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 16:17:37,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 16:17:37,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 16:17:37,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 16:17:37,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 16:17:37,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 16:17:37,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 16:17:37,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 16:17:37,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 16:17:37,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 16:17:37,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 16:17:37,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 16:17:37,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 16:17:37,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 16:17:37,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 16:17:37,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 16:17:37,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 16:17:37,879 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 16:17:37,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 16:17:37,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 16:17:37,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 16:17:37,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 16:17:37,889 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 16:17:37,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 16:17:37,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 16:17:37,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 16:17:37,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 16:17:37,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 16:17:37,891 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 16:17:37,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 16:17:37,931 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 16:17:37,934 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 16:17:37,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 16:17:37,936 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 16:17:37,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,229 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGeb1aac929 [2018-04-12 16:17:38,369 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 16:17:38,369 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 16:17:38,369 INFO L168 CDTParser]: Scanning memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,378 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 16:17:38,378 INFO L215 ultiparseSymbolTable]: [2018-04-12 16:17:38,378 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 16:17:38,378 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_del ('__ldv_list_del') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_submit_msg ('ldv_submit_msg') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_positive ('ldv_positive') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tail ('ldv_list_add_tail') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdata ('ldv_dev_get_drvdata') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_create ('ldv_kobject_create') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init ('ldv_kobject_init') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_nonpositive ('ldv_nonpositive') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanup ('ldv_kobject_cleanup') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,379 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__g ('g') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_get ('ldv_kobject_get') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__f ('f') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_add ('__ldv_list_add') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_put ('ldv_kobject_put') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_init ('ldv_kref_init') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_del ('ldv_kobject_del') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,380 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_sub ('ldv_kref_sub') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEAD ('LDV_INIT_LIST_HEAD') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_release ('ldv_kobject_release') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgs ('ldv_destroy_msgs') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fill ('ldv_msg_fill') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_return ('ldv_atomic_add_return') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add ('ldv_list_add') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point ('entry_point') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_alloc ('ldv_msg_alloc') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init_internal ('ldv_kobject_init_internal') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,381 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_del ('ldv_list_del') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_put ('ldv_kref_put') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdata ('ldv_dev_set_drvdata') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_return ('ldv_atomic_sub_return') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_malloc ('ldv_malloc') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_zalloc ('ldv_zalloc') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_free ('ldv_msg_free') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_get ('ldv_kref_get') in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,382 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 16:17:38,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_global_msg_list in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ushort in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ino_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____syscall_slong_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____pid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__suseconds_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_barrier_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____u_quad_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_long in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__int64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__fd_mask in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____WAIT_STATUS in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_int16_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__fsid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____clock_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____blkcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__daddr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_cond_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__clockid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____clockid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____loff_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__quad_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____u_int in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__dev_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__id_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__clock_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____u_long in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____int16_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____off_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__sigset_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_spinlock_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__nlink_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ulong in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__uint in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____sigset_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ino64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_once_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsword_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____uid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ssize_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_attr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____uint64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__int16_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__blkcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fd_mask in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__timer_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____id_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____syscall_ulong_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__lldiv_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____pthread_list_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__uid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____sig_atomic_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_char in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__off_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_int32_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_int8_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__fsblkcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__wchar_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____gid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_int in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____off64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____suseconds_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____u_char in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____quad_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsblkcnt64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__size_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__key_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_mutexattr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,388 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsfilcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____u_short in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____rlim_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____timer_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_mutex_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__mode_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ssize_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__idtype_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____socklen_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____int32_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____intptr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__time_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__gid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____blkcnt64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____nlink_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__div_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pid_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__int32_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____uint32_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__fsfilcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__fd_set in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,389 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____mode_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__caddr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__blksize_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_short in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_quad_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____caddr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____dev_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsblkcnt_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__register_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_barrierattr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_rwlock_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_key_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,390 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____int8_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldiv_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____rlim64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ino_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____uint16_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____useconds_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__pthread_condattr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____fsfilcnt64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____qaddr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____blksize_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____daddr_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____int64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____key_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,391 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____uint8_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__loff_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____time_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__int8_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,392 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__u_int64_t in memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:38,409 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGeb1aac929 [2018-04-12 16:17:38,413 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 16:17:38,414 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 16:17:38,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 16:17:38,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 16:17:38,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 16:17:38,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e5e022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38, skipping insertion in model container [2018-04-12 16:17:38,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,431 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 16:17:38,458 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 16:17:38,635 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 16:17:38,705 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 16:17:38,711 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 155 non ball SCCs. Number of states in SCCs 155. [2018-04-12 16:17:38,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38 WrapperNode [2018-04-12 16:17:38,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 16:17:38,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 16:17:38,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 16:17:38,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 16:17:38,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... [2018-04-12 16:17:38,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 16:17:38,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 16:17:38,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 16:17:38,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 16:17:38,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-04-12 16:17:38,903 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 16:17:38,903 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 16:17:38,903 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-04-12 16:17:38,903 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_nonpositive [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_positive [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_malloc [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_zalloc [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEAD [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_add [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_del [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tail [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_del [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_alloc [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fill [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_free [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_submit_msg [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgs [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdata [2018-04-12 16:17:38,904 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdata [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_return [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_return [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_sub [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_init [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_get [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_put [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_del [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanup [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_release [2018-04-12 16:17:38,905 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_put [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_get [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init_internal [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_create [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__f [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__g [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 16:17:38,906 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-12 16:17:38,907 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-04-12 16:17:38,907 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 16:17:38,907 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 16:17:38,908 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 16:17:38,909 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 16:17:38,910 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 16:17:38,911 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 16:17:38,912 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 16:17:38,913 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 16:17:38,914 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 16:17:38,915 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure kfree [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-04-12 16:17:38,916 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_nonpositive [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_positive [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_malloc [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_zalloc [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEAD [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 16:17:38,917 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_add [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_del [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tail [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_del [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_alloc [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fill [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_free [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 16:17:38,918 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_submit_msg [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgs [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdata [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdata [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_return [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_return [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_sub [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_init [2018-04-12 16:17:38,919 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_get [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_put [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_del [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanup [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_release [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_put [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_get [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init_internal [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_init [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_create [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-12 16:17:38,920 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__f [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__g [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 16:17:38,921 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 16:17:39,171 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-12 16:17:39,312 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-12 16:17:39,485 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 16:17:39,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:17:39 BoogieIcfgContainer [2018-04-12 16:17:39,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 16:17:39,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 16:17:39,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 16:17:39,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 16:17:39,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 04:17:38" (1/3) ... [2018-04-12 16:17:39,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b8b893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:17:39, skipping insertion in model container [2018-04-12 16:17:39,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:17:38" (2/3) ... [2018-04-12 16:17:39,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b8b893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:17:39, skipping insertion in model container [2018-04-12 16:17:39,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:17:39" (3/3) ... [2018-04-12 16:17:39,491 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test18_true-valid-memsafety_true-termination.i [2018-04-12 16:17:39,497 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 16:17:39,503 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 79 error locations. [2018-04-12 16:17:39,526 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 16:17:39,527 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 16:17:39,527 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 16:17:39,527 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 16:17:39,527 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 16:17:39,527 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 16:17:39,527 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 16:17:39,527 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 16:17:39,527 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 16:17:39,528 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 16:17:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-04-12 16:17:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-12 16:17:39,543 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:39,544 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-12 16:17:39,544 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:39,547 INFO L82 PathProgramCache]: Analyzing trace with hash 15377148, now seen corresponding path program 1 times [2018-04-12 16:17:39,548 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:39,548 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:39,582 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:39,582 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:39,608 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:39,638 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:39,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:17:39,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:17:39,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:17:39,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,652 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2018-04-12 16:17:39,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:39,731 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 16:17:39,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:17:39,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-12 16:17:39,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:39,739 INFO L225 Difference]: With dead ends: 77 [2018-04-12 16:17:39,739 INFO L226 Difference]: Without dead ends: 71 [2018-04-12 16:17:39,740 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-12 16:17:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 52. [2018-04-12 16:17:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 16:17:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 16:17:39,768 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 4 [2018-04-12 16:17:39,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:39,768 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 16:17:39,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:17:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 16:17:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-12 16:17:39,768 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:39,768 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-12 16:17:39,769 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:39,769 INFO L82 PathProgramCache]: Analyzing trace with hash 15377149, now seen corresponding path program 1 times [2018-04-12 16:17:39,769 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:39,769 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:39,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:39,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:39,781 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:39,815 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:39,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:17:39,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:17:39,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:17:39,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,816 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 3 states. [2018-04-12 16:17:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:39,840 INFO L93 Difference]: Finished difference Result 88 states and 99 transitions. [2018-04-12 16:17:39,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:17:39,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-12 16:17:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:39,843 INFO L225 Difference]: With dead ends: 88 [2018-04-12 16:17:39,843 INFO L226 Difference]: Without dead ends: 88 [2018-04-12 16:17:39,844 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-12 16:17:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 50. [2018-04-12 16:17:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 16:17:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 16:17:39,848 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 4 [2018-04-12 16:17:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:39,849 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 16:17:39,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:17:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 16:17:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 16:17:39,849 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:39,850 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:39,850 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:39,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1456240651, now seen corresponding path program 1 times [2018-04-12 16:17:39,850 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:39,850 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:39,851 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:39,851 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:39,865 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:39,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:39,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:17:39,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:17:39,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:17:39,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,902 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 3 states. [2018-04-12 16:17:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:39,946 INFO L93 Difference]: Finished difference Result 82 states and 93 transitions. [2018-04-12 16:17:39,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:17:39,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-04-12 16:17:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:39,948 INFO L225 Difference]: With dead ends: 82 [2018-04-12 16:17:39,948 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 16:17:39,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:17:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 16:17:39,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 54. [2018-04-12 16:17:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 16:17:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-04-12 16:17:39,966 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 20 [2018-04-12 16:17:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:39,966 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-04-12 16:17:39,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:17:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-04-12 16:17:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 16:17:39,967 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:39,967 INFO L355 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] [2018-04-12 16:17:39,967 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:39,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1633146249, now seen corresponding path program 1 times [2018-04-12 16:17:39,968 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:39,969 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:39,970 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:39,970 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:39,985 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,018 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 16:17:40,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:17:40,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:17:40,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:17:40,019 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 6 states. [2018-04-12 16:17:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,061 INFO L93 Difference]: Finished difference Result 82 states and 93 transitions. [2018-04-12 16:17:40,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 16:17:40,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 16:17:40,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,062 INFO L225 Difference]: With dead ends: 82 [2018-04-12 16:17:40,062 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 16:17:40,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:17:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 16:17:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 50. [2018-04-12 16:17:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 16:17:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-12 16:17:40,067 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 22 [2018-04-12 16:17:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,067 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-12 16:17:40,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:17:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-12 16:17:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 16:17:40,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,068 INFO L355 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] [2018-04-12 16:17:40,068 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1500247108, now seen corresponding path program 1 times [2018-04-12 16:17:40,068 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,069 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,070 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,070 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,082 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:17:40,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 16:17:40,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 16:17:40,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:17:40,112 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2018-04-12 16:17:40,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,131 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2018-04-12 16:17:40,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:17:40,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-12 16:17:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,131 INFO L225 Difference]: With dead ends: 54 [2018-04-12 16:17:40,131 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 16:17:40,132 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:17:40,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 16:17:40,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 16:17:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 16:17:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-04-12 16:17:40,134 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 23 [2018-04-12 16:17:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,134 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-04-12 16:17:40,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 16:17:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-04-12 16:17:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 16:17:40,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,135 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:40,135 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1230449282, now seen corresponding path program 1 times [2018-04-12 16:17:40,135 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,135 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,136 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,136 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,146 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,178 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:17:40,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:17:40,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:17:40,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:17:40,179 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-04-12 16:17:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,208 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-04-12 16:17:40,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 16:17:40,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-12 16:17:40,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,208 INFO L225 Difference]: With dead ends: 51 [2018-04-12 16:17:40,209 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 16:17:40,209 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:17:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 16:17:40,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 16:17:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 16:17:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-04-12 16:17:40,213 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 25 [2018-04-12 16:17:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,214 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-04-12 16:17:40,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:17:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-04-12 16:17:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 16:17:40,214 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,214 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:40,215 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1230449331, now seen corresponding path program 1 times [2018-04-12 16:17:40,215 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,215 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,225 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,267 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,267 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:17:40,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:17:40,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:17:40,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:17:40,268 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2018-04-12 16:17:40,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,335 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-04-12 16:17:40,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 16:17:40,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-12 16:17:40,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,336 INFO L225 Difference]: With dead ends: 59 [2018-04-12 16:17:40,336 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 16:17:40,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:17:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 16:17:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-04-12 16:17:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 16:17:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-04-12 16:17:40,340 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 25 [2018-04-12 16:17:40,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,341 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-04-12 16:17:40,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:17:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-04-12 16:17:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 16:17:40,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,341 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:40,342 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1230449332, now seen corresponding path program 1 times [2018-04-12 16:17:40,342 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,342 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,343 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,343 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,353 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,377 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,377 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 16:17:40,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 16:17:40,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 16:17:40,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 16:17:40,378 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 4 states. [2018-04-12 16:17:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,400 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-04-12 16:17:40,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 16:17:40,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-04-12 16:17:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,400 INFO L225 Difference]: With dead ends: 85 [2018-04-12 16:17:40,400 INFO L226 Difference]: Without dead ends: 85 [2018-04-12 16:17:40,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 16:17:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-12 16:17:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 59. [2018-04-12 16:17:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 16:17:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2018-04-12 16:17:40,403 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 25 [2018-04-12 16:17:40,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,403 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2018-04-12 16:17:40,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 16:17:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-04-12 16:17:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 16:17:40,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,404 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:40,404 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,404 INFO L82 PathProgramCache]: Analyzing trace with hash 183457428, now seen corresponding path program 1 times [2018-04-12 16:17:40,404 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,404 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,414 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:17:40,442 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:17:40,442 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:17:40,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 16:17:40,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 16:17:40,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:17:40,443 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand 5 states. [2018-04-12 16:17:40,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:40,466 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2018-04-12 16:17:40,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:17:40,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-12 16:17:40,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:40,467 INFO L225 Difference]: With dead ends: 79 [2018-04-12 16:17:40,467 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 16:17:40,468 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:17:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 16:17:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2018-04-12 16:17:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-12 16:17:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2018-04-12 16:17:40,475 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 29 [2018-04-12 16:17:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:40,475 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2018-04-12 16:17:40,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 16:17:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-04-12 16:17:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 16:17:40,476 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:40,476 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:17:40,476 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:17:40,477 INFO L82 PathProgramCache]: Analyzing trace with hash -108224362, now seen corresponding path program 1 times [2018-04-12 16:17:40,477 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:40,477 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:40,478 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,478 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,500 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:40,700 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:17:40,700 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:17:40,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:40,735 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:17:40,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-04-12 16:17:40,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:40,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-12 16:17:40,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:40,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-12 16:17:40,831 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:40,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-12 16:17:40,833 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:40,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:17:40,853 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:62, output treesize:58 [2018-04-12 16:17:41,177 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,177 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-04-12 16:17:41,179 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:41,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 58 [2018-04-12 16:17:41,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:41,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 56 [2018-04-12 16:17:41,256 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:41,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:17:41,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2018-04-12 16:17:41,288 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:17:41,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-12 16:17:41,319 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:119, output treesize:91 [2018-04-12 16:17:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:17:41,420 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:17:41,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 20 [2018-04-12 16:17:41,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 16:17:41,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 16:17:41,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=366, Unknown=4, NotChecked=0, Total=420 [2018-04-12 16:17:41,421 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand 21 states. [2018-04-12 16:17:41,726 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 74 [2018-04-12 16:18:29,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:29,000 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2018-04-12 16:18:29,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 16:18:29,000 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 31 [2018-04-12 16:18:29,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:29,001 INFO L225 Difference]: With dead ends: 145 [2018-04-12 16:18:29,001 INFO L226 Difference]: Without dead ends: 145 [2018-04-12 16:18:29,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=137, Invalid=848, Unknown=7, NotChecked=0, Total=992 [2018-04-12 16:18:29,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-12 16:18:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 71. [2018-04-12 16:18:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-12 16:18:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 84 transitions. [2018-04-12 16:18:29,005 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 84 transitions. Word has length 31 [2018-04-12 16:18:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:29,005 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 84 transitions. [2018-04-12 16:18:29,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 16:18:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-04-12 16:18:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 16:18:29,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:29,006 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:29,006 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:29,006 INFO L82 PathProgramCache]: Analyzing trace with hash -108224363, now seen corresponding path program 1 times [2018-04-12 16:18:29,006 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:29,007 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:29,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,018 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:29,064 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:29,064 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:29,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,096 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:29,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:18:29,099 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:29,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:29,101 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:18:29,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:29,123 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:29,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 16:18:29,124 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:29,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:18:29,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-12 16:18:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:29,163 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:29,163 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2018-04-12 16:18:29,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 16:18:29,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 16:18:29,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 16:18:29,164 INFO L87 Difference]: Start difference. First operand 71 states and 84 transitions. Second operand 11 states. [2018-04-12 16:18:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:29,343 INFO L93 Difference]: Finished difference Result 97 states and 111 transitions. [2018-04-12 16:18:29,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 16:18:29,343 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-04-12 16:18:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:29,344 INFO L225 Difference]: With dead ends: 97 [2018-04-12 16:18:29,344 INFO L226 Difference]: Without dead ends: 97 [2018-04-12 16:18:29,344 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-04-12 16:18:29,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-12 16:18:29,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 63. [2018-04-12 16:18:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 16:18:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2018-04-12 16:18:29,348 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 31 [2018-04-12 16:18:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:29,348 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2018-04-12 16:18:29,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 16:18:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2018-04-12 16:18:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 16:18:29,348 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:29,349 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:29,349 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2114661359, now seen corresponding path program 1 times [2018-04-12 16:18:29,349 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:29,349 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:29,349 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,350 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,357 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:18:29,377 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:18:29,377 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 16:18:29,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 16:18:29,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 16:18:29,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 16:18:29,378 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 4 states. [2018-04-12 16:18:29,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:29,397 INFO L93 Difference]: Finished difference Result 74 states and 83 transitions. [2018-04-12 16:18:29,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:18:29,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-04-12 16:18:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:29,398 INFO L225 Difference]: With dead ends: 74 [2018-04-12 16:18:29,398 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 16:18:29,399 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:18:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 16:18:29,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2018-04-12 16:18:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-12 16:18:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2018-04-12 16:18:29,402 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 32 [2018-04-12 16:18:29,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:29,402 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2018-04-12 16:18:29,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 16:18:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2018-04-12 16:18:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 16:18:29,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:29,404 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:29,405 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:29,405 INFO L82 PathProgramCache]: Analyzing trace with hash 746433175, now seen corresponding path program 1 times [2018-04-12 16:18:29,405 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:29,405 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:29,406 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,406 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,414 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:29,468 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:29,468 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:29,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,496 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:29,567 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:29,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2018-04-12 16:18:29,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 16:18:29,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 16:18:29,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=98, Unknown=8, NotChecked=0, Total=132 [2018-04-12 16:18:29,568 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand 12 states. [2018-04-12 16:18:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:29,773 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2018-04-12 16:18:29,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 16:18:29,774 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-04-12 16:18:29,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:29,774 INFO L225 Difference]: With dead ends: 77 [2018-04-12 16:18:29,774 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 16:18:29,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=137, Unknown=8, NotChecked=0, Total=182 [2018-04-12 16:18:29,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 16:18:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-12 16:18:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 16:18:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2018-04-12 16:18:29,777 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 37 [2018-04-12 16:18:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:29,777 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2018-04-12 16:18:29,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 16:18:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2018-04-12 16:18:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 16:18:29,779 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:29,779 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:29,779 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:29,779 INFO L82 PathProgramCache]: Analyzing trace with hash -544428488, now seen corresponding path program 1 times [2018-04-12 16:18:29,779 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:29,779 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:29,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,788 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:18:29,839 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:29,839 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:29,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:18:29,919 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:29,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-04-12 16:18:29,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 16:18:29,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 16:18:29,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:18:29,920 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand 7 states. [2018-04-12 16:18:29,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:29,951 INFO L93 Difference]: Finished difference Result 106 states and 120 transitions. [2018-04-12 16:18:29,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:18:29,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-04-12 16:18:29,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:29,952 INFO L225 Difference]: With dead ends: 106 [2018-04-12 16:18:29,952 INFO L226 Difference]: Without dead ends: 106 [2018-04-12 16:18:29,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:18:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-12 16:18:29,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 69. [2018-04-12 16:18:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-12 16:18:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2018-04-12 16:18:29,955 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 38 [2018-04-12 16:18:29,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:29,955 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2018-04-12 16:18:29,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 16:18:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-04-12 16:18:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-12 16:18:29,956 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:29,956 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:29,956 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:29,956 INFO L82 PathProgramCache]: Analyzing trace with hash 515494553, now seen corresponding path program 1 times [2018-04-12 16:18:29,956 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:29,956 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:29,957 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:29,958 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:29,966 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:29,989 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:18:29,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 16:18:29,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:18:29,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:18:29,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:18:29,990 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand 6 states. [2018-04-12 16:18:30,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:30,021 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2018-04-12 16:18:30,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 16:18:30,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-04-12 16:18:30,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:30,022 INFO L225 Difference]: With dead ends: 90 [2018-04-12 16:18:30,023 INFO L226 Difference]: Without dead ends: 90 [2018-04-12 16:18:30,023 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 16:18:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-12 16:18:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2018-04-12 16:18:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 16:18:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2018-04-12 16:18:30,025 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 39 [2018-04-12 16:18:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:30,025 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2018-04-12 16:18:30,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:18:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2018-04-12 16:18:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 16:18:30,026 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:30,026 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:30,026 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:30,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1795846426, now seen corresponding path program 1 times [2018-04-12 16:18:30,027 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:30,027 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:30,028 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:30,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:30,028 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:30,045 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:18:30,279 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:30,279 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:30,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:30,306 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:30,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-12 16:18:30,317 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-04-12 16:18:30,339 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-12 16:18:30,357 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-12 16:18:30,359 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:18:30,376 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:62, output treesize:58 [2018-04-12 16:18:30,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2018-04-12 16:18:30,597 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,631 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,631 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2018-04-12 16:18:30,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 68 [2018-04-12 16:18:30,664 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:30,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-04-12 16:18:30,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:30,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-12 16:18:30,723 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:119, output treesize:91 [2018-04-12 16:18:31,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 98 [2018-04-12 16:18:31,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 16:18:31,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-04-12 16:18:31,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:31,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-12 16:18:31,379 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:31,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 64 [2018-04-12 16:18:31,383 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:31,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-04-12 16:18:31,509 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:31,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 88 [2018-04-12 16:18:31,627 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 16:18:31,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-04-12 16:18:31,787 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:31,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:31,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 90 [2018-04-12 16:18:31,926 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 16:18:32,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 66 [2018-04-12 16:18:32,149 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-12 16:18:32,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 8 dim-1 vars, End of recursive call: 40 dim-0 vars, and 8 xjuncts. [2018-04-12 16:18:32,367 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 32 variables, input treesize:277, output treesize:421 [2018-04-12 16:18:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:18:32,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:32,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 25 [2018-04-12 16:18:32,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 16:18:32,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 16:18:32,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=575, Unknown=5, NotChecked=0, Total=650 [2018-04-12 16:18:32,589 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 26 states. [2018-04-12 16:18:32,860 WARN L148 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 74 [2018-04-12 16:18:48,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:48,022 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2018-04-12 16:18:48,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 16:18:48,022 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 44 [2018-04-12 16:18:48,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:48,023 INFO L225 Difference]: With dead ends: 149 [2018-04-12 16:18:48,023 INFO L226 Difference]: Without dead ends: 149 [2018-04-12 16:18:48,023 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=228, Invalid=1569, Unknown=9, NotChecked=0, Total=1806 [2018-04-12 16:18:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-04-12 16:18:48,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 72. [2018-04-12 16:18:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-12 16:18:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2018-04-12 16:18:48,026 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 44 [2018-04-12 16:18:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:48,027 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2018-04-12 16:18:48,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 16:18:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-04-12 16:18:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-12 16:18:48,027 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:48,027 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:48,027 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:48,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1076958221, now seen corresponding path program 1 times [2018-04-12 16:18:48,028 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:48,028 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:48,029 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:48,029 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:48,035 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:18:48,070 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:18:48,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:18:48,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:18:48,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:18:48,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:18:48,070 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand 6 states. [2018-04-12 16:18:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:48,163 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-04-12 16:18:48,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 16:18:48,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-04-12 16:18:48,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:48,164 INFO L225 Difference]: With dead ends: 75 [2018-04-12 16:18:48,164 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 16:18:48,164 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:18:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 16:18:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2018-04-12 16:18:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-12 16:18:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-04-12 16:18:48,167 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 45 [2018-04-12 16:18:48,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:48,167 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-04-12 16:18:48,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:18:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-04-12 16:18:48,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 16:18:48,168 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:48,168 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:48,168 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, 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__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:48,168 INFO L82 PathProgramCache]: Analyzing trace with hash -974033432, now seen corresponding path program 1 times [2018-04-12 16:18:48,168 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:48,168 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:48,169 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:48,169 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:48,181 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-12 16:18:48,302 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:48,302 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:48,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:48,330 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:48,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:18:48,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:18:48,356 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:18:48,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-12 16:18:48,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:18:48,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 16:18:48,466 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,472 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:32, output treesize:3 [2018-04-12 16:18:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:48,495 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:48,495 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2018-04-12 16:18:48,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 16:18:48,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 16:18:48,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:18:48,496 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 21 states. [2018-04-12 16:18:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:48,690 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2018-04-12 16:18:48,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 16:18:48,691 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 46 [2018-04-12 16:18:48,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:48,691 INFO L225 Difference]: With dead ends: 107 [2018-04-12 16:18:48,691 INFO L226 Difference]: Without dead ends: 107 [2018-04-12 16:18:48,691 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2018-04-12 16:18:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-12 16:18:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 94. [2018-04-12 16:18:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 16:18:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2018-04-12 16:18:48,694 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 46 [2018-04-12 16:18:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:48,695 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2018-04-12 16:18:48,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 16:18:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2018-04-12 16:18:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 16:18:48,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:48,696 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:48,696 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, 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__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:48,696 INFO L82 PathProgramCache]: Analyzing trace with hash -130265140, now seen corresponding path program 1 times [2018-04-12 16:18:48,696 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:48,696 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:48,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:48,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:48,709 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:48,890 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:48,890 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:48,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:48,917 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:48,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:18:48,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,931 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,931 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:18:48,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:18:48,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:18:48,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:18:48,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 16:18:48,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:48,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:3 [2018-04-12 16:18:49,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-04-12 16:18:49,030 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:18:49,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-12 16:18:49,031 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,036 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:34, output treesize:5 [2018-04-12 16:18:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:49,055 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:49,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 22 [2018-04-12 16:18:49,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 16:18:49,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 16:18:49,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-12 16:18:49,056 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand 23 states. [2018-04-12 16:18:49,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:49,335 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-04-12 16:18:49,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 16:18:49,336 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2018-04-12 16:18:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:49,336 INFO L225 Difference]: With dead ends: 100 [2018-04-12 16:18:49,337 INFO L226 Difference]: Without dead ends: 100 [2018-04-12 16:18:49,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2018-04-12 16:18:49,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-12 16:18:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2018-04-12 16:18:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-12 16:18:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2018-04-12 16:18:49,340 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 47 [2018-04-12 16:18:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:49,340 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2018-04-12 16:18:49,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 16:18:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2018-04-12 16:18:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 16:18:49,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:49,341 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:49,341 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:49,341 INFO L82 PathProgramCache]: Analyzing trace with hash 588646427, now seen corresponding path program 1 times [2018-04-12 16:18:49,341 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:49,341 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:49,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,350 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:18:49,372 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:49,372 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:49,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,405 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:18:49,445 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 16:18:49,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-04-12 16:18:49,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:18:49,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:18:49,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:18:49,446 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand 6 states. [2018-04-12 16:18:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:49,471 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2018-04-12 16:18:49,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:18:49,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-04-12 16:18:49,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:49,472 INFO L225 Difference]: With dead ends: 94 [2018-04-12 16:18:49,472 INFO L226 Difference]: Without dead ends: 94 [2018-04-12 16:18:49,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:18:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-12 16:18:49,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-04-12 16:18:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 16:18:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2018-04-12 16:18:49,474 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 50 [2018-04-12 16:18:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:49,474 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2018-04-12 16:18:49,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:18:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2018-04-12 16:18:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 16:18:49,475 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:49,475 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:49,475 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:49,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1312052608, now seen corresponding path program 1 times [2018-04-12 16:18:49,475 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:49,475 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:49,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,485 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:18:49,522 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:49,522 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:49,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,554 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:18:49,591 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:49,591 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-04-12 16:18:49,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 16:18:49,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 16:18:49,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:18:49,592 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 7 states. [2018-04-12 16:18:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:49,621 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-04-12 16:18:49,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 16:18:49,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-04-12 16:18:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:49,622 INFO L225 Difference]: With dead ends: 97 [2018-04-12 16:18:49,622 INFO L226 Difference]: Without dead ends: 97 [2018-04-12 16:18:49,622 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-12 16:18:49,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-12 16:18:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 91. [2018-04-12 16:18:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-12 16:18:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2018-04-12 16:18:49,623 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 53 [2018-04-12 16:18:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:49,624 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2018-04-12 16:18:49,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 16:18:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2018-04-12 16:18:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 16:18:49,624 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:49,624 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:49,624 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:18:49,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2018923856, now seen corresponding path program 1 times [2018-04-12 16:18:49,624 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:49,625 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:49,625 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,625 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,635 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:49,899 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:49,899 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:18:49,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:49,921 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:49,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:18:49,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,935 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:18:49,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:49,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:49,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 16:18:49,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:49,986 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 16:18:50,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:18:50,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:18:50,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:50,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:50,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:50,025 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-12 16:18:50,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-12 16:18:50,069 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:50,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 16:18:50,072 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:19 [2018-04-12 16:18:54,093 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:18:54,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-04-12 16:18:54,226 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:18:54,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 16:18:54,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:54,229 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:54,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:54,235 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:10 [2018-04-12 16:18:54,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:54,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-12 16:18:54,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:54,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:18:54,262 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:18:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:54,323 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:54,323 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2018-04-12 16:18:54,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 16:18:54,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 16:18:54,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=892, Unknown=1, NotChecked=0, Total=992 [2018-04-12 16:18:54,324 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 32 states. [2018-04-12 16:19:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:19:12,191 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2018-04-12 16:19:12,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 16:19:12,191 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 54 [2018-04-12 16:19:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:19:12,192 INFO L225 Difference]: With dead ends: 146 [2018-04-12 16:19:12,192 INFO L226 Difference]: Without dead ends: 146 [2018-04-12 16:19:12,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=739, Invalid=4230, Unknown=1, NotChecked=0, Total=4970 [2018-04-12 16:19:12,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-04-12 16:19:12,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 106. [2018-04-12 16:19:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-12 16:19:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 114 transitions. [2018-04-12 16:19:12,196 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 114 transitions. Word has length 54 [2018-04-12 16:19:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:19:12,196 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 114 transitions. [2018-04-12 16:19:12,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 16:19:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2018-04-12 16:19:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 16:19:12,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:19:12,197 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:19:12,197 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, 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__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:19:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1582302436, now seen corresponding path program 2 times [2018-04-12 16:19:12,197 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:19:12,197 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:19:12,199 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:19:12,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:19:12,199 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:19:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:19:12,213 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:19:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-12 16:19:12,371 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:19:12,371 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:19:12,381 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:19:12,414 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:19:12,414 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:19:12,417 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:19:12,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:19:12,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:19:12,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:12,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:12,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:12,488 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:19:16,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 16:19:16,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-12 16:19:16,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:16,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:16,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:16,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 16:19:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 16:19:17,011 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:19:17,011 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2018-04-12 16:19:17,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 16:19:17,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 16:19:17,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=407, Unknown=3, NotChecked=0, Total=462 [2018-04-12 16:19:17,011 INFO L87 Difference]: Start difference. First operand 106 states and 114 transitions. Second operand 22 states. [2018-04-12 16:19:19,268 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-12 16:19:27,336 WARN L148 SmtUtils]: Spent 2009ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-12 16:19:33,552 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-12 16:19:35,576 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-12 16:19:37,597 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-12 16:19:39,620 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-12 16:19:41,667 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-12 16:19:47,702 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-12 16:19:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:19:47,708 INFO L93 Difference]: Finished difference Result 151 states and 161 transitions. [2018-04-12 16:19:47,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 16:19:47,708 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 59 [2018-04-12 16:19:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:19:47,709 INFO L225 Difference]: With dead ends: 151 [2018-04-12 16:19:47,709 INFO L226 Difference]: Without dead ends: 151 [2018-04-12 16:19:47,709 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=364, Invalid=1983, Unknown=5, NotChecked=0, Total=2352 [2018-04-12 16:19:47,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-12 16:19:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 106. [2018-04-12 16:19:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-12 16:19:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions. [2018-04-12 16:19:47,711 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 59 [2018-04-12 16:19:47,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:19:47,712 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions. [2018-04-12 16:19:47,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 16:19:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2018-04-12 16:19:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 16:19:47,712 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:19:47,712 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:19:47,712 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:19:47,712 INFO L82 PathProgramCache]: Analyzing trace with hash 266702631, now seen corresponding path program 1 times [2018-04-12 16:19:47,712 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:19:47,712 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:19:47,713 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:19:47,713 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:19:47,713 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:19:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:19:47,725 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:19:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 16:19:48,356 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:19:48,357 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:19:48,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:19:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:19:48,380 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:19:48,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:19:48,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:19:48,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:48,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:48,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:19:48,518 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:42 [2018-04-12 16:19:48,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 12 [2018-04-12 16:19:48,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:48,586 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 16:19:48,586 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:28, output treesize:19 [2018-04-12 16:19:52,614 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:19:56,711 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-12 16:19:58,803 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 38 [2018-04-12 16:20:00,880 WARN L148 SmtUtils]: Spent 2009ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-12 16:20:00,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 57 [2018-04-12 16:20:00,890 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:20:00,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-04-12 16:20:00,891 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:00,907 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:20:00,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 49 [2018-04-12 16:20:00,912 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 16:20:00,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-12 16:20:00,927 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:00,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:00,940 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:00,940 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:74, output treesize:23 [2018-04-12 16:20:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:20:03,159 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:20:03,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-04-12 16:20:03,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 16:20:03,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 16:20:03,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1071, Unknown=28, NotChecked=0, Total=1190 [2018-04-12 16:20:03,161 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand 35 states. [2018-04-12 16:20:24,288 WARN L151 SmtUtils]: Spent 262ms on a formula simplification. DAG size of input: 79 DAG size of output 40 [2018-04-12 16:20:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:20:35,479 INFO L93 Difference]: Finished difference Result 112 states and 118 transitions. [2018-04-12 16:20:35,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 16:20:35,479 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 58 [2018-04-12 16:20:35,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:20:35,480 INFO L225 Difference]: With dead ends: 112 [2018-04-12 16:20:35,480 INFO L226 Difference]: Without dead ends: 91 [2018-04-12 16:20:35,480 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=239, Invalid=2178, Unknown=33, NotChecked=0, Total=2450 [2018-04-12 16:20:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-12 16:20:35,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-04-12 16:20:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-12 16:20:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2018-04-12 16:20:35,482 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 58 [2018-04-12 16:20:35,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:20:35,482 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2018-04-12 16:20:35,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 16:20:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-04-12 16:20:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-12 16:20:35,483 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:20:35,483 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:20:35,483 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:20:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1806735440, now seen corresponding path program 2 times [2018-04-12 16:20:35,483 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:20:35,483 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:20:35,484 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:20:35,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:20:35,484 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:20:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:20:35,492 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:20:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:20:35,700 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:20:35,700 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:20:35,706 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:20:35,729 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:20:35,729 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:20:35,731 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:20:35,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:20:35,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,758 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:20:35,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:20:35,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:20:35,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,798 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:20:35,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 16:20:35,844 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,845 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:20:35,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-12 16:20:35,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-04-12 16:20:35,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:35,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-12 16:20:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 16:20:35,891 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:20:35,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 23 [2018-04-12 16:20:35,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 16:20:35,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 16:20:35,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2018-04-12 16:20:35,892 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 24 states. [2018-04-12 16:20:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:20:36,469 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2018-04-12 16:20:36,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 16:20:36,469 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 60 [2018-04-12 16:20:36,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:20:36,469 INFO L225 Difference]: With dead ends: 108 [2018-04-12 16:20:36,469 INFO L226 Difference]: Without dead ends: 108 [2018-04-12 16:20:36,470 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=295, Invalid=2255, Unknown=0, NotChecked=0, Total=2550 [2018-04-12 16:20:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-04-12 16:20:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 91. [2018-04-12 16:20:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-12 16:20:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2018-04-12 16:20:36,471 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 60 [2018-04-12 16:20:36,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:20:36,472 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2018-04-12 16:20:36,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 16:20:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2018-04-12 16:20:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 16:20:36,472 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:20:36,472 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:20:36,472 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:20:36,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1644768004, now seen corresponding path program 2 times [2018-04-12 16:20:36,472 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:20:36,472 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:20:36,473 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:20:36,473 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:20:36,473 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:20:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:20:36,481 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:20:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:20:36,691 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:20:36,691 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:20:36,696 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:20:36,721 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:20:36,721 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:20:36,723 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:20:36,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:20:36,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:20:36,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 16:20:36,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,775 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 16:20:36,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:20:36,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:20:36,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-12 16:20:36,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-12 16:20:36,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:36,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 16:20:36,860 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-12 16:20:40,882 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 14 [2018-04-12 16:20:40,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 16:20:40,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-12 16:20:40,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:40,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:40,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:20:40,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2018-04-12 16:20:40,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:20:40,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-12 16:20:40,937 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:20:40,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:20:40,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:20:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:20:40,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:20:40,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 28 [2018-04-12 16:20:40,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 16:20:40,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 16:20:40,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=739, Unknown=1, NotChecked=0, Total=812 [2018-04-12 16:20:40,991 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 29 states. [2018-04-12 16:21:03,306 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 17 [2018-04-12 16:21:05,321 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:21:10,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:10,122 INFO L93 Difference]: Finished difference Result 172 states and 182 transitions. [2018-04-12 16:21:10,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 16:21:10,122 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 66 [2018-04-12 16:21:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:10,122 INFO L225 Difference]: With dead ends: 172 [2018-04-12 16:21:10,123 INFO L226 Difference]: Without dead ends: 172 [2018-04-12 16:21:10,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=583, Invalid=4670, Unknown=3, NotChecked=0, Total=5256 [2018-04-12 16:21:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-12 16:21:10,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 98. [2018-04-12 16:21:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-12 16:21:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2018-04-12 16:21:10,125 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 66 [2018-04-12 16:21:10,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:10,125 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2018-04-12 16:21:10,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 16:21:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2018-04-12 16:21:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 16:21:10,126 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:10,126 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:10,126 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:10,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1644768005, now seen corresponding path program 1 times [2018-04-12 16:21:10,126 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:10,126 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:10,127 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:10,127 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:21:10,127 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:10,132 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 16:21:10,173 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:10,173 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:10,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:10,202 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 16:21:10,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:10,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2018-04-12 16:21:10,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 16:21:10,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 16:21:10,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-04-12 16:21:10,354 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 13 states. [2018-04-12 16:21:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:10,569 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2018-04-12 16:21:10,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 16:21:10,570 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2018-04-12 16:21:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:10,570 INFO L225 Difference]: With dead ends: 100 [2018-04-12 16:21:10,570 INFO L226 Difference]: Without dead ends: 100 [2018-04-12 16:21:10,570 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:21:10,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-12 16:21:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-04-12 16:21:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-04-12 16:21:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2018-04-12 16:21:10,572 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 66 [2018-04-12 16:21:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:10,572 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2018-04-12 16:21:10,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 16:21:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2018-04-12 16:21:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-12 16:21:10,572 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:10,572 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:10,572 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:10,572 INFO L82 PathProgramCache]: Analyzing trace with hash -551799312, now seen corresponding path program 1 times [2018-04-12 16:21:10,573 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:10,573 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:10,573 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:10,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:10,573 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:10,584 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-12 16:21:10,822 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:10,822 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:10,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:10,846 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:10,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:21:10,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:21:10,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:10,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:10,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:10,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:21:11,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-04-12 16:21:11,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 35 [2018-04-12 16:21:11,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 16:21:11,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 16:21:11,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:21:11,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:24 [2018-04-12 16:21:11,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-12 16:21:11,301 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:21:11,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 16:21:11,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:11,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:11,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:11,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:32, output treesize:3 [2018-04-12 16:21:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:21:11,337 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:11,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2018-04-12 16:21:11,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 16:21:11,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 16:21:11,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2018-04-12 16:21:11,338 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 28 states. [2018-04-12 16:21:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:13,306 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2018-04-12 16:21:13,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 16:21:13,307 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 67 [2018-04-12 16:21:13,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:13,307 INFO L225 Difference]: With dead ends: 141 [2018-04-12 16:21:13,307 INFO L226 Difference]: Without dead ends: 139 [2018-04-12 16:21:13,308 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=413, Invalid=2343, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 16:21:13,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-12 16:21:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 120. [2018-04-12 16:21:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-12 16:21:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 129 transitions. [2018-04-12 16:21:13,310 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 129 transitions. Word has length 67 [2018-04-12 16:21:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:13,311 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 129 transitions. [2018-04-12 16:21:13,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 16:21:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2018-04-12 16:21:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 16:21:13,311 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:13,311 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:13,312 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash 74090692, now seen corresponding path program 1 times [2018-04-12 16:21:13,312 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:13,312 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:13,313 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:13,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:13,313 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:13,326 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:21:13,988 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:13,988 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:13,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:14,030 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:14,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:21:14,053 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,054 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,054 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:21:14,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:21:14,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:21:14,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,087 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,091 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:21:14,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-12 16:21:14,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:13, output treesize:3 [2018-04-12 16:21:14,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,175 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-04-12 16:21:14,176 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,180 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:26 [2018-04-12 16:21:14,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-04-12 16:21:14,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 37 [2018-04-12 16:21:14,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,230 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:42 [2018-04-12 16:21:14,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-04-12 16:21:14,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 16:21:14,276 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:18 [2018-04-12 16:21:14,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,370 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:21:14,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 66 [2018-04-12 16:21:14,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:14,377 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:26 [2018-04-12 16:21:14,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-12 16:21:14,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,469 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:21:14,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:14,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 38 [2018-04-12 16:21:14,470 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:21:14,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:21:14,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:21:14,478 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:11 [2018-04-12 16:21:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:21:14,525 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:14,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22] total 45 [2018-04-12 16:21:14,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 16:21:14,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 16:21:14,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1903, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 16:21:14,526 INFO L87 Difference]: Start difference. First operand 120 states and 129 transitions. Second operand 46 states. [2018-04-12 16:21:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:15,826 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2018-04-12 16:21:15,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 16:21:15,826 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 68 [2018-04-12 16:21:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:15,827 INFO L225 Difference]: With dead ends: 133 [2018-04-12 16:21:15,827 INFO L226 Difference]: Without dead ends: 133 [2018-04-12 16:21:15,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=483, Invalid=4919, Unknown=0, NotChecked=0, Total=5402 [2018-04-12 16:21:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-12 16:21:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2018-04-12 16:21:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-12 16:21:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2018-04-12 16:21:15,829 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 68 [2018-04-12 16:21:15,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:15,829 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2018-04-12 16:21:15,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 16:21:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2018-04-12 16:21:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 16:21:15,830 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:15,830 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:15,830 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:15,830 INFO L82 PathProgramCache]: Analyzing trace with hash 961476521, now seen corresponding path program 1 times [2018-04-12 16:21:15,830 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:15,830 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:15,831 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:15,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:15,831 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:15,838 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 16:21:15,871 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:15,871 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:15,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:15,905 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 16:21:15,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:15,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-04-12 16:21:15,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 16:21:15,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 16:21:15,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2018-04-12 16:21:15,957 INFO L87 Difference]: Start difference. First operand 124 states and 131 transitions. Second operand 11 states. [2018-04-12 16:21:16,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:16,007 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2018-04-12 16:21:16,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 16:21:16,007 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 73 [2018-04-12 16:21:16,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:16,008 INFO L225 Difference]: With dead ends: 175 [2018-04-12 16:21:16,008 INFO L226 Difference]: Without dead ends: 175 [2018-04-12 16:21:16,008 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2018-04-12 16:21:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-12 16:21:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 130. [2018-04-12 16:21:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-12 16:21:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2018-04-12 16:21:16,011 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 73 [2018-04-12 16:21:16,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:16,012 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2018-04-12 16:21:16,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 16:21:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2018-04-12 16:21:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 16:21:16,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:16,012 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:16,013 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:16,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1679690632, now seen corresponding path program 3 times [2018-04-12 16:21:16,013 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:16,013 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:16,014 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:16,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:16,014 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:16,022 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 16:21:16,056 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:16,056 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:16,073 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 16:21:16,121 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 16:21:16,121 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:21:16,124 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 16:21:16,164 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:16,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2018-04-12 16:21:16,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 16:21:16,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 16:21:16,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-12 16:21:16,165 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand 9 states. [2018-04-12 16:21:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:16,224 INFO L93 Difference]: Finished difference Result 135 states and 140 transitions. [2018-04-12 16:21:16,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 16:21:16,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2018-04-12 16:21:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:16,225 INFO L225 Difference]: With dead ends: 135 [2018-04-12 16:21:16,225 INFO L226 Difference]: Without dead ends: 135 [2018-04-12 16:21:16,225 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-04-12 16:21:16,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-12 16:21:16,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 129. [2018-04-12 16:21:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-12 16:21:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 134 transitions. [2018-04-12 16:21:16,227 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 134 transitions. Word has length 74 [2018-04-12 16:21:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:16,231 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 134 transitions. [2018-04-12 16:21:16,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 16:21:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2018-04-12 16:21:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 16:21:16,231 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:16,232 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:16,232 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:21:16,232 INFO L82 PathProgramCache]: Analyzing trace with hash -530803368, now seen corresponding path program 2 times [2018-04-12 16:21:16,232 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:16,232 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:16,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:16,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:21:16,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:16,249 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:21:16,602 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:16,602 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:21:16,607 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:21:16,633 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:21:16,633 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:21:16,636 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:16,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:21:16,639 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,640 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:21:16,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:16,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:16,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 16:21:16,690 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,692 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,692 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 16:21:16,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:21:16,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:21:16,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:16,727 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-12 16:21:18,763 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_21 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_40 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_17 Int)) (and (<= v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_40 1) (not (= (select (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_21) (+ (* 4 v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_40) v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_17 (- 4))) v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_21)))) is different from true [2018-04-12 16:21:20,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-04-12 16:21:20,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:20,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 38 [2018-04-12 16:21:20,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:20,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:20,830 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:20,830 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:17 [2018-04-12 16:21:24,917 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_22 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_18 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_33 Int)) (and (not (= (select (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_22) (+ v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_18 (* 4 v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_33) (- 4))) v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_22)) (<= v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_33 1))) is different from true [2018-04-12 16:21:31,159 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-12 16:21:33,229 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 31 [2018-04-12 16:21:35,357 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-12 16:21:35,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-04-12 16:21:35,430 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:21:35,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-12 16:21:35,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:35,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:35,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:35,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:41, output treesize:10 [2018-04-12 16:21:35,461 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:35,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-12 16:21:35,462 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:35,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:21:35,465 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:21:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 19 not checked. [2018-04-12 16:21:35,517 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:35,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 38 [2018-04-12 16:21:35,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 16:21:35,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 16:21:35,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1216, Unknown=6, NotChecked=142, Total=1482 [2018-04-12 16:21:35,518 INFO L87 Difference]: Start difference. First operand 129 states and 134 transitions. Second operand 39 states. [2018-04-12 16:21:45,927 WARN L151 SmtUtils]: Spent 4008ms on a formula simplification. DAG size of input: 32 DAG size of output 20 [2018-04-12 16:21:51,958 WARN L148 SmtUtils]: Spent 4008ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-12 16:22:02,025 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-12 16:22:06,066 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-12 16:22:20,327 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 24 [2018-04-12 16:22:28,453 WARN L151 SmtUtils]: Spent 4014ms on a formula simplification. DAG size of input: 45 DAG size of output 37 [2018-04-12 16:22:38,220 WARN L151 SmtUtils]: Spent 4018ms on a formula simplification. DAG size of input: 42 DAG size of output 34 [2018-04-12 16:22:42,354 WARN L151 SmtUtils]: Spent 4081ms on a formula simplification. DAG size of input: 55 DAG size of output 41 [2018-04-12 16:22:48,535 WARN L151 SmtUtils]: Spent 4038ms on a formula simplification. DAG size of input: 56 DAG size of output 42 [2018-04-12 16:22:52,746 WARN L151 SmtUtils]: Spent 4137ms on a formula simplification. DAG size of input: 53 DAG size of output 39 [2018-04-12 16:22:53,158 WARN L151 SmtUtils]: Spent 240ms on a formula simplification. DAG size of input: 60 DAG size of output 34 [2018-04-12 16:22:53,595 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 63 DAG size of output 37 [2018-04-12 16:22:53,842 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 61 DAG size of output 35 [2018-04-12 16:22:58,220 WARN L151 SmtUtils]: Spent 4121ms on a formula simplification. DAG size of input: 60 DAG size of output 46 [2018-04-12 16:23:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:23:08,616 INFO L93 Difference]: Finished difference Result 148 states and 154 transitions. [2018-04-12 16:23:08,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 16:23:08,616 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 75 [2018-04-12 16:23:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:23:08,617 INFO L225 Difference]: With dead ends: 148 [2018-04-12 16:23:08,617 INFO L226 Difference]: Without dead ends: 148 [2018-04-12 16:23:08,618 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 58 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 94.8s TimeCoverageRelationStatistics Valid=398, Invalid=3249, Unknown=21, NotChecked=238, Total=3906 [2018-04-12 16:23:08,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-12 16:23:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 133. [2018-04-12 16:23:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-12 16:23:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 137 transitions. [2018-04-12 16:23:08,621 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 137 transitions. Word has length 75 [2018-04-12 16:23:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:23:08,622 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 137 transitions. [2018-04-12 16:23:08,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 16:23:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2018-04-12 16:23:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 16:23:08,622 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:23:08,622 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:23:08,622 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:23:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1803873164, now seen corresponding path program 2 times [2018-04-12 16:23:08,623 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:23:08,623 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:23:08,623 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:23:08,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:23:08,623 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:23:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:23:08,634 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:23:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 9 proven. 54 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-04-12 16:23:08,928 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:23:08,928 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:23:08,934 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:23:08,961 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:23:08,961 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:23:08,962 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:23:08,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:23:08,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:23:08,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:08,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:09,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:09,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:23:17,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-04-12 16:23:17,208 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:17,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-04-12 16:23:17,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:17,212 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:17,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:17,215 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2018-04-12 16:23:25,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 16:23:25,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-12 16:23:25,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:25,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:25,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:25,354 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 16:23:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 31 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 16:23:25,382 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:23:25,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 27 [2018-04-12 16:23:25,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 16:23:25,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 16:23:25,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=666, Unknown=4, NotChecked=0, Total=756 [2018-04-12 16:23:25,383 INFO L87 Difference]: Start difference. First operand 133 states and 137 transitions. Second operand 28 states. [2018-04-12 16:23:26,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:23:26,730 INFO L93 Difference]: Finished difference Result 229 states and 239 transitions. [2018-04-12 16:23:26,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 16:23:26,730 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 80 [2018-04-12 16:23:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:23:26,731 INFO L225 Difference]: With dead ends: 229 [2018-04-12 16:23:26,731 INFO L226 Difference]: Without dead ends: 229 [2018-04-12 16:23:26,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 69 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=263, Invalid=1989, Unknown=4, NotChecked=0, Total=2256 [2018-04-12 16:23:26,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-12 16:23:26,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 164. [2018-04-12 16:23:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-12 16:23:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 172 transitions. [2018-04-12 16:23:26,738 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 172 transitions. Word has length 80 [2018-04-12 16:23:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:23:26,738 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 172 transitions. [2018-04-12 16:23:26,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 16:23:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 172 transitions. [2018-04-12 16:23:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-12 16:23:26,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:23:26,738 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:23:26,738 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, 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__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:23:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1958966481, now seen corresponding path program 2 times [2018-04-12 16:23:26,739 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:23:26,739 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:23:26,739 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:23:26,739 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:23:26,740 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:23:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:23:26,764 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:23:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-12 16:23:28,718 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:23:28,718 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:23:28,723 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:23:28,745 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:23:28,745 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:23:28,747 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:23:28,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:23:28,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:23:28,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:28,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:28,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:28,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:42 [2018-04-12 16:23:29,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 16:23:29,031 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:29,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 16:23:29,033 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:12 [2018-04-12 16:23:37,069 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 12 [2018-04-12 16:23:45,117 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:23:53,168 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:23:53,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 50 [2018-04-12 16:23:53,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:53,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:53,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 71 [2018-04-12 16:23:53,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:53,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:53,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:53,305 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:68 [2018-04-12 16:23:53,418 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:53,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 51 [2018-04-12 16:23:53,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:53,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:53,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 33 [2018-04-12 16:23:53,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:23:53,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:23:53,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 16:23:53,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:36 [2018-04-12 16:23:55,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2018-04-12 16:23:55,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:55,865 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:23:55,866 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:23:55,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2018-04-12 16:23:55,867 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:23:55,872 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:23:55,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:23:55,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:37 [2018-04-12 16:23:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:23:58,413 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:23:58,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27] total 57 [2018-04-12 16:23:58,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-12 16:23:58,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-12 16:23:58,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3078, Unknown=35, NotChecked=0, Total=3306 [2018-04-12 16:23:58,414 INFO L87 Difference]: Start difference. First operand 164 states and 172 transitions. Second operand 58 states. [2018-04-12 16:24:37,636 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-12 16:24:41,776 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:24:49,935 WARN L151 SmtUtils]: Spent 4015ms on a formula simplification. DAG size of input: 28 DAG size of output 24 [2018-04-12 16:24:56,018 WARN L151 SmtUtils]: Spent 4019ms on a formula simplification. DAG size of input: 41 DAG size of output 27 [2018-04-12 16:25:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:25:18,841 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2018-04-12 16:25:18,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 16:25:18,841 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 79 [2018-04-12 16:25:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:25:18,842 INFO L225 Difference]: With dead ends: 170 [2018-04-12 16:25:18,842 INFO L226 Difference]: Without dead ends: 141 [2018-04-12 16:25:18,844 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1877 ImplicationChecksByTransitivity, 71.8s TimeCoverageRelationStatistics Valid=508, Invalid=7263, Unknown=61, NotChecked=0, Total=7832 [2018-04-12 16:25:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-04-12 16:25:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-04-12 16:25:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-12 16:25:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2018-04-12 16:25:18,847 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 79 [2018-04-12 16:25:18,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:25:18,847 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2018-04-12 16:25:18,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-12 16:25:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2018-04-12 16:25:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 16:25:18,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:25:18,848 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:25:18,848 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:25:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash -85493056, now seen corresponding path program 2 times [2018-04-12 16:25:18,848 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:25:18,848 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:25:18,849 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:18,849 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:25:18,849 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:25:18,864 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:25:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-12 16:25:19,630 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:25:19,630 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:25:19,636 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:25:19,659 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:25:19,659 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:25:19,661 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:25:19,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:25:19,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,688 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:25:19,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:25:19,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:25:19,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:25:19,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 16:25:19,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,762 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:25:19,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:19,799 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:19,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 39 [2018-04-12 16:25:19,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,804 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:30 [2018-04-12 16:25:19,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-04-12 16:25:19,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:19,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 43 [2018-04-12 16:25:19,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,871 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:46 [2018-04-12 16:25:19,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-12 16:25:19,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:19,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 16:25:19,922 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:20 [2018-04-12 16:25:20,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:20,035 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:25:20,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:20,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 72 [2018-04-12 16:25:20,036 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:20,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:20,044 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:28 [2018-04-12 16:25:20,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-12 16:25:20,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:20,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:20,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2018-04-12 16:25:20,107 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:25:20,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:25:20,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:25:20,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:11 [2018-04-12 16:25:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 16:25:20,169 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:25:20,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22] total 45 [2018-04-12 16:25:20,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 16:25:20,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 16:25:20,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1931, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 16:25:20,170 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 46 states. [2018-04-12 16:25:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:25:21,271 INFO L93 Difference]: Finished difference Result 148 states and 155 transitions. [2018-04-12 16:25:21,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 16:25:21,271 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 81 [2018-04-12 16:25:21,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:25:21,272 INFO L225 Difference]: With dead ends: 148 [2018-04-12 16:25:21,272 INFO L226 Difference]: Without dead ends: 148 [2018-04-12 16:25:21,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=269, Invalid=3513, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 16:25:21,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-12 16:25:21,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2018-04-12 16:25:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-12 16:25:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-04-12 16:25:21,275 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 81 [2018-04-12 16:25:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:25:21,275 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-04-12 16:25:21,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 16:25:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-04-12 16:25:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 16:25:21,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:25:21,276 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:25:21,276 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:25:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash -565845203, now seen corresponding path program 2 times [2018-04-12 16:25:21,276 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:25:21,276 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:25:21,277 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:21,277 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:25:21,277 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:25:21,283 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:25:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-04-12 16:25:21,318 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:25:21,318 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:25:21,324 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:25:21,368 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:25:21,368 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:25:21,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:25:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-04-12 16:25:21,450 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:25:21,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-04-12 16:25:21,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 16:25:21,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 16:25:21,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-04-12 16:25:21,451 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 13 states. [2018-04-12 16:25:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:25:21,494 INFO L93 Difference]: Finished difference Result 200 states and 209 transitions. [2018-04-12 16:25:21,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 16:25:21,494 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 86 [2018-04-12 16:25:21,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:25:21,494 INFO L225 Difference]: With dead ends: 200 [2018-04-12 16:25:21,494 INFO L226 Difference]: Without dead ends: 200 [2018-04-12 16:25:21,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-04-12 16:25:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-12 16:25:21,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 146. [2018-04-12 16:25:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-12 16:25:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2018-04-12 16:25:21,497 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 86 [2018-04-12 16:25:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:25:21,497 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2018-04-12 16:25:21,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 16:25:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2018-04-12 16:25:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-12 16:25:21,498 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:25:21,498 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:25:21,498 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:25:21,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1782023820, now seen corresponding path program 4 times [2018-04-12 16:25:21,499 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:25:21,499 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:25:21,499 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:21,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:25:21,500 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:25:21,530 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:25:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 71 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:25:21,874 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:25:21,874 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:25:21,879 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 16:25:21,908 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 16:25:21,908 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:25:21,910 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:25:21,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:21,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:21,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 16:25:21,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:21,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:21,947 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-12 16:25:21,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:25:21,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:25:21,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:21,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:21,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:21,993 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:26 [2018-04-12 16:25:24,034 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_31 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_59 Int)) (let ((.cse0 (* 4 v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_59))) (and (not (= (select (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_31) (+ .cse0 (- 4))) v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_31)) (<= v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_59 2) (<= 8 .cse0)))) is different from true [2018-04-12 16:25:24,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-04-12 16:25:24,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 38 [2018-04-12 16:25:24,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:27 [2018-04-12 16:25:26,098 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_32 Int) (v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_60 Int)) (let ((.cse0 (* 4 v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_60))) (and (not (= (select (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_32) (+ .cse0 (- 8))) v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_32)) (<= v___U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_point_~i~0_BEFORE_CALL_60 3) (<= 12 .cse0)))) is different from true [2018-04-12 16:25:26,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 16:25:26,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-12 16:25:26,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:26,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:26,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:26,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2018-04-12 16:25:26,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:26,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-12 16:25:26,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:26,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:25:26,207 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:25:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 19 not checked. [2018-04-12 16:25:26,252 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:25:26,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 36 [2018-04-12 16:25:26,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 16:25:26,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 16:25:26,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1060, Unknown=2, NotChecked=134, Total=1332 [2018-04-12 16:25:26,253 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 37 states. [2018-04-12 16:25:32,488 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-12 16:25:36,504 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-12 16:25:42,521 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-12 16:25:46,562 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-12 16:25:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:25:55,494 INFO L93 Difference]: Finished difference Result 196 states and 205 transitions. [2018-04-12 16:25:55,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 16:25:55,494 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 87 [2018-04-12 16:25:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:25:55,495 INFO L225 Difference]: With dead ends: 196 [2018-04-12 16:25:55,495 INFO L226 Difference]: Without dead ends: 196 [2018-04-12 16:25:55,496 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 71 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=572, Invalid=4118, Unknown=10, NotChecked=270, Total=4970 [2018-04-12 16:25:55,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-12 16:25:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 162. [2018-04-12 16:25:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-12 16:25:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 173 transitions. [2018-04-12 16:25:55,498 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 173 transitions. Word has length 87 [2018-04-12 16:25:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:25:55,498 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 173 transitions. [2018-04-12 16:25:55,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 16:25:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2018-04-12 16:25:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 16:25:55,498 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:25:55,498 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:25:55,498 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:25:55,498 INFO L82 PathProgramCache]: Analyzing trace with hash 591836544, now seen corresponding path program 3 times [2018-04-12 16:25:55,499 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:25:55,499 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:25:55,499 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:55,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:25:55,499 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:25:55,517 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:25:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 54 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 16:25:55,887 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:25:55,887 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:25:55,892 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 16:25:55,930 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 16:25:55,930 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:25:55,932 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:25:55,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:25:55,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:25:55,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:55,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:55,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:55,949 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-12 16:25:58,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2018-04-12 16:25:58,470 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:58,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 37 [2018-04-12 16:25:58,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:58,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:58,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:58,501 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:12 [2018-04-12 16:26:11,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2018-04-12 16:26:11,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:11,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 37 [2018-04-12 16:26:11,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:11,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:11,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:11,195 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:12 [2018-04-12 16:26:54,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-12 16:26:54,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2018-04-12 16:26:54,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:54,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:54,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:54,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2018-04-12 16:26:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 51 refuted. 14 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:26:54,043 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:54,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 31 [2018-04-12 16:26:54,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 16:26:54,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 16:26:54,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=846, Unknown=27, NotChecked=0, Total=992 [2018-04-12 16:26:54,044 INFO L87 Difference]: Start difference. First operand 162 states and 173 transitions. Second operand 32 states. [2018-04-12 16:28:12,490 WARN L148 SmtUtils]: Spent 6010ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-12 16:28:43,059 WARN L148 SmtUtils]: Spent 4009ms on a formula simplification that was a NOOP. DAG size: 24 [2018-04-12 16:28:55,084 WARN L148 SmtUtils]: Spent 4006ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-12 16:29:05,125 WARN L148 SmtUtils]: Spent 4008ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-12 16:29:23,459 WARN L148 SmtUtils]: Spent 2012ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-12 16:29:41,557 WARN L148 SmtUtils]: Spent 6016ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-12 16:31:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:31:46,183 INFO L93 Difference]: Finished difference Result 215 states and 223 transitions. [2018-04-12 16:31:46,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 16:31:46,183 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 88 [2018-04-12 16:31:46,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:31:46,184 INFO L225 Difference]: With dead ends: 215 [2018-04-12 16:31:46,184 INFO L226 Difference]: Without dead ends: 215 [2018-04-12 16:31:46,184 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 87 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 253.0s TimeCoverageRelationStatistics Valid=710, Invalid=4023, Unknown=97, NotChecked=0, Total=4830 [2018-04-12 16:31:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-04-12 16:31:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 180. [2018-04-12 16:31:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-12 16:31:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 195 transitions. [2018-04-12 16:31:46,186 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 195 transitions. Word has length 88 [2018-04-12 16:31:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:31:46,186 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 195 transitions. [2018-04-12 16:31:46,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 16:31:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 195 transitions. [2018-04-12 16:31:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-12 16:31:46,187 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:31:46,187 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:31:46,187 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_freeErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr6RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr6AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr7AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__entry_pointErr4AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_destroy_msgsErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_add_tailErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_get_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i____ldv_list_delErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr4RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_msg_fillErr5RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr2RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_atomic_sub_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr0RequiresViolation, __U_MULTI_fmemleaks_test___true_valid_memsafety_true_termination_i__ldv_list_addErr1RequiresViolation]=== [2018-04-12 16:31:46,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1167063860, now seen corresponding path program 3 times [2018-04-12 16:31:46,187 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:31:46,187 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:31:46,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:31:46,188 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:31:46,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:31:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:31:46,205 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:31:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 36 proven. 63 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 16:31:47,229 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:31:47,229 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:31:47,235 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 16:31:47,278 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 16:31:47,278 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:31:47,284 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:31:47,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 16:31:47,286 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:31:47,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 16:31:47,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 16:31:47,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2018-04-12 16:31:47,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2018-04-12 16:31:47,355 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:31:47,356 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:18, output treesize:3 [2018-04-12 16:31:47,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:31:47,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:31:47,386 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:31:47,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:31:47,387 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:31:47,387 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_128| term size 30 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-12 16:31:47,390 INFO L168 Benchmark]: Toolchain (without parser) took 848976.40 ms. Allocated memory was 406.8 MB in the beginning and 639.1 MB in the end (delta: 232.3 MB). Free memory was 341.1 MB in the beginning and 561.6 MB in the end (delta: -220.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 5.3 GB. [2018-04-12 16:31:47,391 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 406.8 MB. Free memory is still 367.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 16:31:47,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.98 ms. Allocated memory is still 406.8 MB. Free memory was 341.1 MB in the beginning and 298.5 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 5.3 GB. [2018-04-12 16:31:47,391 INFO L168 Benchmark]: Boogie Preprocessor took 52.04 ms. Allocated memory is still 406.8 MB. Free memory was 298.5 MB in the beginning and 294.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 5.3 GB. [2018-04-12 16:31:47,391 INFO L168 Benchmark]: RCFGBuilder took 665.70 ms. Allocated memory was 406.8 MB in the beginning and 618.7 MB in the end (delta: 211.8 MB). Free memory was 294.5 MB in the beginning and 485.7 MB in the end (delta: -191.2 MB). Peak memory consumption was 36.1 MB. Max. memory is 5.3 GB. [2018-04-12 16:31:47,391 INFO L168 Benchmark]: TraceAbstraction took 847902.52 ms. Allocated memory was 618.7 MB in the beginning and 639.1 MB in the end (delta: 20.4 MB). Free memory was 485.7 MB in the beginning and 561.6 MB in the end (delta: -75.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 16:31:47,392 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 406.8 MB. Free memory is still 367.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 352.98 ms. Allocated memory is still 406.8 MB. Free memory was 341.1 MB in the beginning and 298.5 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.04 ms. Allocated memory is still 406.8 MB. Free memory was 298.5 MB in the beginning and 294.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 665.70 ms. Allocated memory was 406.8 MB in the beginning and 618.7 MB in the end (delta: 211.8 MB). Free memory was 294.5 MB in the beginning and 485.7 MB in the end (delta: -191.2 MB). Peak memory consumption was 36.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 847902.52 ms. Allocated memory was 618.7 MB in the beginning and 639.1 MB in the end (delta: 20.4 MB). Free memory was 485.7 MB in the beginning and 561.6 MB in the end (delta: -75.9 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_128| term size 30 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_128| term size 30: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_16-31-47-396.csv Received shutdown request...