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_test17_2_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 16:14:28,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 16:14:28,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 16:14:28,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 16:14:28,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 16:14:28,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 16:14:28,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 16:14:28,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 16:14:28,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 16:14:28,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 16:14:28,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 16:14:28,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 16:14:28,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 16:14:28,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 16:14:28,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 16:14:28,582 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 16:14:28,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 16:14:28,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 16:14:28,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 16:14:28,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 16:14:28,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 16:14:28,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 16:14:28,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 16:14:28,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 16:14:28,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 16:14:28,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 16:14:28,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 16:14:28,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 16:14:28,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 16:14:28,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 16:14:28,593 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 16:14:28,594 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 16:14:28,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 16:14:28,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 16:14:28,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 16:14:28,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 16:14:28,605 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 16:14:28,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 16:14:28,606 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 16:14:28,607 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 16:14:28,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 16:14:28,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 16:14:28,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 16:14:28,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 16:14:28,608 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 16:14:28,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 16:14:28,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 16:14:28,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 16:14:28,608 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 16:14:28,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 16:14:28,608 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 16:14:28,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 16:14:28,650 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 16:14:28,654 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 16:14:28,656 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 16:14:28,656 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 16:14:28,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:28,939 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5be1e0941 [2018-04-12 16:14:29,116 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 16:14:29,116 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 16:14:29,116 INFO L168 CDTParser]: Scanning memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,127 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 16:14:29,128 INFO L215 ultiparseSymbolTable]: [2018-04-12 16:14:29,128 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 16:14:29,128 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_get ('ldv_kobject_get') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_alloc ('ldv_msg_alloc') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_del ('ldv_list_del') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,128 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_free ('ldv_msg_free') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_positive ('ldv_positive') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_submit_msg ('ldv_submit_msg') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_put ('ldv_kobject_put') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_release ('ldv_kobject_release') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_sub ('ldv_kref_sub') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_zalloc ('ldv_zalloc') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_malloc ('ldv_malloc') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_nonpositive ('ldv_nonpositive') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,129 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__g ('g') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_put ('ldv_kref_put') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17 ('alloc_17') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_get ('ldv_kref_get') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_init ('ldv_kobject_init') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_destroy_msgs ('ldv_destroy_msgs') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_cleanup ('ldv_kobject_cleanup') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_del ('__ldv_list_del') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_add ('__ldv_list_add') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,130 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17 ('free_17') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_init ('ldv_kref_init') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_del ('ldv_kobject_del') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_add ('ldv_list_add') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fill ('ldv_msg_fill') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point ('entry_point') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 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_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_create ('ldv_kobject_create') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__f ('f') in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,131 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__fsid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__quad_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__clockid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____loff_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____clock_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__fd_mask in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____uint8_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____key_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__u_int16_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__pthread_cond_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,132 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_global_msg_list in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ushort in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____blkcnt_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____pid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ino_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__dev_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____WAIT_STATUS in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__pthread_condattr_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ino64_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__id_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__int64_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,133 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__u_short in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,140 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____blksize_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,140 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__blksize_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,140 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____qaddr_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,140 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____uint16_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____fsid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__pid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__daddr_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__fd_set in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__u_long in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__gid_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____caddr_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__suseconds_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____u_short in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____dev_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__mode_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,141 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__clock_t in memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:29,156 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5be1e0941 [2018-04-12 16:14:29,160 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 16:14:29,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 16:14:29,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 16:14:29,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 16:14:29,164 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 16:14:29,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730b6a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29, skipping insertion in model container [2018-04-12 16:14:29,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,177 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 16:14:29,205 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 16:14:29,358 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 16:14:29,420 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 16:14:29,429 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 158 non ball SCCs. Number of states in SCCs 158. [2018-04-12 16:14:29,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29 WrapperNode [2018-04-12 16:14:29,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 16:14:29,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 16:14:29,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 16:14:29,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 16:14:29,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (1/1) ... [2018-04-12 16:14:29,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 16:14:29,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 16:14:29,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 16:14:29,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 16:14:29,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (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 16:14:29,633 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 16:14:29,633 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_nonpositive [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_positive [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_malloc [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_zalloc [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEAD [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_add [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_del [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_add [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_add_tail [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_del [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_alloc [2018-04-12 16:14:29,634 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fill [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_free [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_submit_msg [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_destroy_msgs [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_dev_get_drvdata [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_dev_set_drvdata [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_return [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_sub_return [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_sub [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_init [2018-04-12 16:14:29,635 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_get [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_put [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_del [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_cleanup [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_release [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_put [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_get [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_init_internal [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_init [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_create [2018-04-12 16:14:29,636 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__f [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__g [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17 [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17 [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-04-12 16:14:29,637 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-04-12 16:14:29,637 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 16:14:29,637 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 16:14:29,638 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 16:14:29,639 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 16:14:29,640 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 16:14:29,641 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 16:14:29,642 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 16:14:29,643 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 16:14:29,644 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 16:14:29,645 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 16:14:29,646 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure kfree [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_nonpositive [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_positive [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-12 16:14:29,647 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_malloc [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_zalloc [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEAD [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_add [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_del [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_add [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 16:14:29,648 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_add_tail [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_list_del [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_alloc [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fill [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_free [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_submit_msg [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_destroy_msgs [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_dev_get_drvdata [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_dev_set_drvdata [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_return [2018-04-12 16:14:29,649 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_sub_return [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_sub [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_init [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_get [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_put [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_del [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_cleanup [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_release [2018-04-12 16:14:29,650 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_put [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_get [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_init_internal [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_init [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_create [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__f [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__g [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17 [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17 [2018-04-12 16:14:29,651 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point [2018-04-12 16:14:29,652 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 16:14:29,652 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 16:14:29,652 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 16:14:29,652 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 16:14:30,068 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-12 16:14:30,125 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-12 16:14:30,331 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 16:14:30,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:14:30 BoogieIcfgContainer [2018-04-12 16:14:30,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 16:14:30,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 16:14:30,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 16:14:30,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 16:14:30,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 04:14:29" (1/3) ... [2018-04-12 16:14:30,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e27683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:14:30, skipping insertion in model container [2018-04-12 16:14:30,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:14:29" (2/3) ... [2018-04-12 16:14:30,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e27683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:14:30, skipping insertion in model container [2018-04-12 16:14:30,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:14:30" (3/3) ... [2018-04-12 16:14:30,337 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-04-12 16:14:30,344 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 16:14:30,352 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 87 error locations. [2018-04-12 16:14:30,382 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 16:14:30,383 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 16:14:30,383 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 16:14:30,383 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 16:14:30,383 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 16:14:30,383 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 16:14:30,383 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 16:14:30,383 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 16:14:30,383 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 16:14:30,384 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 16:14:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-04-12 16:14:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-12 16:14:30,403 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:30,404 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-12 16:14:30,404 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:30,408 INFO L82 PathProgramCache]: Analyzing trace with hash 17206314, now seen corresponding path program 1 times [2018-04-12 16:14:30,410 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:30,410 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:30,463 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:30,464 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:30,501 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:30,533 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 16:14:30,536 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:30,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:14:30,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:14:30,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:14:30,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:14:30,553 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2018-04-12 16:14:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:30,664 INFO L93 Difference]: Finished difference Result 133 states and 143 transitions. [2018-04-12 16:14:30,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:14:30,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-12 16:14:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:30,671 INFO L225 Difference]: With dead ends: 133 [2018-04-12 16:14:30,671 INFO L226 Difference]: Without dead ends: 127 [2018-04-12 16:14:30,672 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 16:14:30,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-04-12 16:14:30,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 90. [2018-04-12 16:14:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 16:14:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2018-04-12 16:14:30,704 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 4 [2018-04-12 16:14:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:30,704 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2018-04-12 16:14:30,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:14:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2018-04-12 16:14:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-12 16:14:30,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:30,704 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-12 16:14:30,705 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:30,705 INFO L82 PathProgramCache]: Analyzing trace with hash 17206315, now seen corresponding path program 1 times [2018-04-12 16:14:30,705 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:30,705 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:30,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:30,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:30,720 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:30,748 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 16:14:30,748 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:30,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:14:30,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:14:30,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:14:30,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:14:30,749 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand 3 states. [2018-04-12 16:14:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:30,796 INFO L93 Difference]: Finished difference Result 158 states and 175 transitions. [2018-04-12 16:14:30,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:14:30,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-12 16:14:30,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:30,797 INFO L225 Difference]: With dead ends: 158 [2018-04-12 16:14:30,798 INFO L226 Difference]: Without dead ends: 158 [2018-04-12 16:14:30,798 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 16:14:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-12 16:14:30,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 88. [2018-04-12 16:14:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-12 16:14:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2018-04-12 16:14:30,803 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 4 [2018-04-12 16:14:30,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:30,803 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2018-04-12 16:14:30,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:14:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2018-04-12 16:14:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 16:14:30,804 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:30,804 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, 1] [2018-04-12 16:14:30,804 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:30,804 INFO L82 PathProgramCache]: Analyzing trace with hash -452096069, now seen corresponding path program 1 times [2018-04-12 16:14:30,804 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:30,804 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:30,805 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:30,806 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:30,825 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:30,874 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 16:14:30,874 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:30,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:14:30,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 16:14:30,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 16:14:30,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:14:30,875 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand 5 states. [2018-04-12 16:14:30,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:30,896 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2018-04-12 16:14:30,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:14:30,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-12 16:14:30,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:30,897 INFO L225 Difference]: With dead ends: 94 [2018-04-12 16:14:30,898 INFO L226 Difference]: Without dead ends: 94 [2018-04-12 16:14:30,898 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 16:14:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-12 16:14:30,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2018-04-12 16:14:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 16:14:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-04-12 16:14:30,902 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 26 [2018-04-12 16:14:30,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:30,902 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-04-12 16:14:30,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 16:14:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-04-12 16:14:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 16:14:30,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:30,903 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, 1] [2018-04-12 16:14:30,903 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash -451260247, now seen corresponding path program 1 times [2018-04-12 16:14:30,903 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:30,903 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:30,904 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:30,904 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:30,914 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:30,934 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 16:14:30,935 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:30,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 16:14:30,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 16:14:30,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 16:14:30,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 16:14:30,935 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 3 states. [2018-04-12 16:14:30,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:30,993 INFO L93 Difference]: Finished difference Result 131 states and 145 transitions. [2018-04-12 16:14:30,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 16:14:30,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-04-12 16:14:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:30,995 INFO L225 Difference]: With dead ends: 131 [2018-04-12 16:14:30,995 INFO L226 Difference]: Without dead ends: 126 [2018-04-12 16:14:30,995 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 16:14:30,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-12 16:14:30,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 90. [2018-04-12 16:14:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 16:14:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2018-04-12 16:14:30,999 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 26 [2018-04-12 16:14:31,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:31,000 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2018-04-12 16:14:31,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 16:14:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2018-04-12 16:14:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 16:14:31,001 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:31,001 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, 1, 1, 1] [2018-04-12 16:14:31,001 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:31,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1161106435, now seen corresponding path program 1 times [2018-04-12 16:14:31,001 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:31,001 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:31,003 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:31,003 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:31,019 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:31,046 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 16:14:31,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:31,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:14:31,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:14:31,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:14:31,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:14:31,047 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand 6 states. [2018-04-12 16:14:31,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:31,131 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2018-04-12 16:14:31,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 16:14:31,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 16:14:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:31,132 INFO L225 Difference]: With dead ends: 91 [2018-04-12 16:14:31,132 INFO L226 Difference]: Without dead ends: 91 [2018-04-12 16:14:31,132 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 16:14:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-12 16:14:31,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2018-04-12 16:14:31,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 16:14:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2018-04-12 16:14:31,137 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 28 [2018-04-12 16:14:31,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:31,137 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2018-04-12 16:14:31,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:14:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2018-04-12 16:14:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 16:14:31,138 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:31,138 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, 1, 1, 1] [2018-04-12 16:14:31,138 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:31,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1161106434, now seen corresponding path program 1 times [2018-04-12 16:14:31,138 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:31,138 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:31,140 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:31,140 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:31,161 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:31,289 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 16:14:31,289 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:31,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 16:14:31,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 16:14:31,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 16:14:31,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-04-12 16:14:31,290 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 11 states. [2018-04-12 16:14:31,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:31,451 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2018-04-12 16:14:31,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 16:14:31,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-04-12 16:14:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:31,452 INFO L225 Difference]: With dead ends: 95 [2018-04-12 16:14:31,452 INFO L226 Difference]: Without dead ends: 95 [2018-04-12 16:14:31,453 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-12 16:14:31,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-04-12 16:14:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2018-04-12 16:14:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 16:14:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2018-04-12 16:14:31,458 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 28 [2018-04-12 16:14:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:31,458 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2018-04-12 16:14:31,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 16:14:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-04-12 16:14:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 16:14:31,459 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:31,459 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, 1, 1, 1] [2018-04-12 16:14:31,459 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:31,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1160270613, now seen corresponding path program 1 times [2018-04-12 16:14:31,460 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:31,460 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:31,461 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:31,461 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:31,470 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:31,495 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 16:14:31,496 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:31,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 16:14:31,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:14:31,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:14:31,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:14:31,496 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 6 states. [2018-04-12 16:14:31,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:31,516 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2018-04-12 16:14:31,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 16:14:31,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 16:14:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:31,517 INFO L225 Difference]: With dead ends: 92 [2018-04-12 16:14:31,518 INFO L226 Difference]: Without dead ends: 92 [2018-04-12 16:14:31,518 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 16:14:31,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-12 16:14:31,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-12 16:14:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 16:14:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-04-12 16:14:31,522 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 28 [2018-04-12 16:14:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:31,523 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2018-04-12 16:14:31,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:14:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2018-04-12 16:14:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 16:14:31,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:31,524 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 16:14:31,524 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:31,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1136867221, now seen corresponding path program 1 times [2018-04-12 16:14:31,524 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:31,525 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:31,526 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:31,526 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:31,540 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:31,671 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:14:31,672 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) [2018-04-12 16:14:31,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:14:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:31,704 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:14:31,744 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 23 treesize of output 22 [2018-04-12 16:14:31,745 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:31,774 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 26 treesize of output 25 [2018-04-12 16:14:31,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:31,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:14:31,796 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:48 [2018-04-12 16:14:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:32,241 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:14:32,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2018-04-12 16:14:32,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 16:14:32,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 16:14:32,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-04-12 16:14:32,242 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand 19 states. [2018-04-12 16:14:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:32,556 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2018-04-12 16:14:32,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 16:14:32,556 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-04-12 16:14:32,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:32,557 INFO L225 Difference]: With dead ends: 92 [2018-04-12 16:14:32,557 INFO L226 Difference]: Without dead ends: 92 [2018-04-12 16:14:32,557 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2018-04-12 16:14:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-12 16:14:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2018-04-12 16:14:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 16:14:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2018-04-12 16:14:32,560 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 32 [2018-04-12 16:14:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:32,560 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2018-04-12 16:14:32,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 16:14:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2018-04-12 16:14:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-12 16:14:32,561 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:32,561 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:14:32,561 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:32,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1198388856, now seen corresponding path program 1 times [2018-04-12 16:14:32,562 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:32,562 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:32,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:32,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:32,575 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:14:32,611 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:32,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:14:32,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 16:14:32,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 16:14:32,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 16:14:32,612 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand 5 states. [2018-04-12 16:14:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:32,624 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2018-04-12 16:14:32,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:14:32,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-12 16:14:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:32,625 INFO L225 Difference]: With dead ends: 94 [2018-04-12 16:14:32,625 INFO L226 Difference]: Without dead ends: 94 [2018-04-12 16:14:32,626 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 16:14:32,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-12 16:14:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2018-04-12 16:14:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 16:14:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-04-12 16:14:32,629 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 43 [2018-04-12 16:14:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:32,630 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2018-04-12 16:14:32,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 16:14:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2018-04-12 16:14:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 16:14:32,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:32,631 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:14:32,631 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:32,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1220349297, now seen corresponding path program 1 times [2018-04-12 16:14:32,631 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:32,631 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:32,632 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:32,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:32,642 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:32,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:32,673 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:32,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 16:14:32,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:14:32,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:14:32,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:14:32,674 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand 6 states. [2018-04-12 16:14:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:32,825 INFO L93 Difference]: Finished difference Result 143 states and 157 transitions. [2018-04-12 16:14:32,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 16:14:32,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-04-12 16:14:32,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:32,826 INFO L225 Difference]: With dead ends: 143 [2018-04-12 16:14:32,826 INFO L226 Difference]: Without dead ends: 143 [2018-04-12 16:14:32,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-12 16:14:32,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-12 16:14:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2018-04-12 16:14:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-12 16:14:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2018-04-12 16:14:32,829 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 44 [2018-04-12 16:14:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:32,830 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2018-04-12 16:14:32,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:14:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2018-04-12 16:14:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 16:14:32,830 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:32,830 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:14:32,830 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:32,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1220349298, now seen corresponding path program 1 times [2018-04-12 16:14:32,831 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:32,831 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:32,831 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:32,832 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:32,838 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:32,992 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:14:32,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 16:14:32,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 16:14:32,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 16:14:32,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 16:14:32,993 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 10 states. [2018-04-12 16:14:33,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:33,071 INFO L93 Difference]: Finished difference Result 145 states and 161 transitions. [2018-04-12 16:14:33,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 16:14:33,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2018-04-12 16:14:33,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:33,071 INFO L225 Difference]: With dead ends: 145 [2018-04-12 16:14:33,072 INFO L226 Difference]: Without dead ends: 142 [2018-04-12 16:14:33,072 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-04-12 16:14:33,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-12 16:14:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 116. [2018-04-12 16:14:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-12 16:14:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2018-04-12 16:14:33,075 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 44 [2018-04-12 16:14:33,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:33,075 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2018-04-12 16:14:33,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 16:14:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2018-04-12 16:14:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-12 16:14:33,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:33,076 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:14:33,076 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:33,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1332908858, now seen corresponding path program 1 times [2018-04-12 16:14:33,076 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:33,076 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:33,077 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:33,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:33,078 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:33,090 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:14:33,204 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:14:33,204 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 16:14:33,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:33,271 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:14:33,276 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 16:14:33,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:33,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:14:33,278 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:14:33,315 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:33,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:33,316 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 16:14:33,317 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:33,321 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 16:14:33,322 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-12 16:14:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:14:33,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:14:33,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2018-04-12 16:14:33,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 16:14:33,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 16:14:33,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=128, Unknown=1, NotChecked=0, Total=156 [2018-04-12 16:14:33,365 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand 13 states. [2018-04-12 16:14:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:14:33,729 INFO L93 Difference]: Finished difference Result 171 states and 193 transitions. [2018-04-12 16:14:33,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 16:14:33,730 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2018-04-12 16:14:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:14:33,731 INFO L225 Difference]: With dead ends: 171 [2018-04-12 16:14:33,731 INFO L226 Difference]: Without dead ends: 171 [2018-04-12 16:14:33,731 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=343, Unknown=1, NotChecked=0, Total=420 [2018-04-12 16:14:33,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-12 16:14:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 121. [2018-04-12 16:14:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-12 16:14:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-04-12 16:14:33,735 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 45 [2018-04-12 16:14:33,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:14:33,736 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-04-12 16:14:33,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 16:14:33,736 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-04-12 16:14:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-12 16:14:33,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:14:33,737 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:14:33,737 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_kobject_cleanupErr4AssertViolationMEMORY_FREE, __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_kobject_cleanupErr0RequiresViolation, __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_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:14:33,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1332908859, now seen corresponding path program 1 times [2018-04-12 16:14:33,737 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:14:33,737 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:14:33,738 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:33,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:33,738 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:14:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:33,751 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:14:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:33,958 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:14:33,958 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 16:14:33,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:14:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:14:33,985 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:14:33,988 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 20 treesize of output 19 [2018-04-12 16:14:33,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,000 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 23 treesize of output 22 [2018-04-12 16:14:34,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,011 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 22 treesize of output 21 [2018-04-12 16:14:34,012 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,013 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 19 treesize of output 18 [2018-04-12 16:14:34,013 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:14:34,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:44, output treesize:40 [2018-04-12 16:14:34,437 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,438 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,439 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 51 treesize of output 64 [2018-04-12 16:14:34,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,485 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 49 treesize of output 43 [2018-04-12 16:14:34,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,525 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 43 treesize of output 42 [2018-04-12 16:14:34,525 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:14:34,566 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 50 treesize of output 44 [2018-04-12 16:14:34,566 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:14:34,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 16:14:34,590 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:101, output treesize:83 [2018-04-12 16:14:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:14:34,715 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:14:34,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2018-04-12 16:14:34,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 16:14:34,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 16:14:34,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=588, Unknown=3, NotChecked=0, Total=650 [2018-04-12 16:14:34,716 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 26 states. [2018-04-12 16:14:38,972 WARN L151 SmtUtils]: Spent 4057ms on a formula simplification. DAG size of input: 54 DAG size of output 53 [2018-04-12 16:14:41,117 WARN L151 SmtUtils]: Spent 2106ms on a formula simplification. DAG size of input: 71 DAG size of output 67 [2018-04-12 16:14:43,284 WARN L151 SmtUtils]: Spent 2055ms on a formula simplification. DAG size of input: 52 DAG size of output 49 [2018-04-12 16:14:43,725 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 57 DAG size of output 55 [2018-04-12 16:15:10,892 WARN L151 SmtUtils]: Spent 24305ms on a formula simplification. DAG size of input: 70 DAG size of output 66 [2018-04-12 16:15:31,356 WARN L151 SmtUtils]: Spent 20357ms on a formula simplification. DAG size of input: 74 DAG size of output 64 [2018-04-12 16:15:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:31,704 INFO L93 Difference]: Finished difference Result 225 states and 250 transitions. [2018-04-12 16:15:31,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 16:15:31,704 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 45 [2018-04-12 16:15:31,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:31,706 INFO L225 Difference]: With dead ends: 225 [2018-04-12 16:15:31,706 INFO L226 Difference]: Without dead ends: 225 [2018-04-12 16:15:31,706 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 54.2s TimeCoverageRelationStatistics Valid=180, Invalid=1376, Unknown=4, NotChecked=0, Total=1560 [2018-04-12 16:15:31,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-12 16:15:31,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 124. [2018-04-12 16:15:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-12 16:15:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2018-04-12 16:15:31,711 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 45 [2018-04-12 16:15:31,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:31,711 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2018-04-12 16:15:31,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 16:15:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2018-04-12 16:15:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 16:15:31,712 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:31,712 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:31,713 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__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_addErr5RequiresViolation, __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_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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1433073113, now seen corresponding path program 1 times [2018-04-12 16:15:31,713 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:31,713 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:31,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:31,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:31,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:31,723 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:31,745 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:15:31,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 16:15:31,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 16:15:31,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 16:15:31,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 16:15:31,746 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 4 states. [2018-04-12 16:15:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:31,767 INFO L93 Difference]: Finished difference Result 133 states and 150 transitions. [2018-04-12 16:15:31,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 16:15:31,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2018-04-12 16:15:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:31,768 INFO L225 Difference]: With dead ends: 133 [2018-04-12 16:15:31,768 INFO L226 Difference]: Without dead ends: 133 [2018-04-12 16:15:31,769 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 16:15:31,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-12 16:15:31,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 127. [2018-04-12 16:15:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-12 16:15:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 144 transitions. [2018-04-12 16:15:31,772 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 144 transitions. Word has length 46 [2018-04-12 16:15:31,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:31,773 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 144 transitions. [2018-04-12 16:15:31,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 16:15:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2018-04-12 16:15:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 16:15:31,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:31,773 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:31,773 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:31,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1797528936, now seen corresponding path program 1 times [2018-04-12 16:15:31,774 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:31,774 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:31,775 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:31,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:31,775 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:31,783 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:31,852 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 16:15:31,853 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:31,853 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 16:15:31,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:31,896 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:31,900 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 14 treesize of output 13 [2018-04-12 16:15:31,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:31,924 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 17 treesize of output 16 [2018-04-12 16:15:31,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:31,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:15:31,933 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:30 [2018-04-12 16:15:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:15:32,299 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:32,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2018-04-12 16:15:32,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 16:15:32,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 16:15:32,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2018-04-12 16:15:32,300 INFO L87 Difference]: Start difference. First operand 127 states and 144 transitions. Second operand 18 states. [2018-04-12 16:15:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:40,941 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2018-04-12 16:15:40,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 16:15:40,942 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 54 [2018-04-12 16:15:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:40,942 INFO L225 Difference]: With dead ends: 158 [2018-04-12 16:15:40,942 INFO L226 Difference]: Without dead ends: 158 [2018-04-12 16:15:40,943 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=95, Invalid=660, Unknown=1, NotChecked=0, Total=756 [2018-04-12 16:15:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-12 16:15:40,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 137. [2018-04-12 16:15:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-12 16:15:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-04-12 16:15:40,948 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 54 [2018-04-12 16:15:40,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:40,948 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-04-12 16:15:40,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 16:15:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-04-12 16:15:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 16:15:40,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:40,949 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:40,949 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:40,949 INFO L82 PathProgramCache]: Analyzing trace with hash -111177790, now seen corresponding path program 1 times [2018-04-12 16:15:40,949 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:40,950 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:40,950 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:40,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:40,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:40,965 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:15:41,114 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:41,114 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 16:15:41,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:41,157 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:41,168 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 11 treesize of output 8 [2018-04-12 16:15:41,169 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 8 treesize of output 7 [2018-04-12 16:15:41,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:41,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:41,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:41,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-12 16:15:41,198 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 15 treesize of output 11 [2018-04-12 16:15:41,200 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 3 [2018-04-12 16:15:41,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:41,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:41,201 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 16:15:41,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:15:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:15:41,232 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:41,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 18 [2018-04-12 16:15:41,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 16:15:41,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 16:15:41,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-04-12 16:15:41,232 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 19 states. [2018-04-12 16:15:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:41,652 INFO L93 Difference]: Finished difference Result 251 states and 288 transitions. [2018-04-12 16:15:41,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 16:15:41,652 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-04-12 16:15:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:41,654 INFO L225 Difference]: With dead ends: 251 [2018-04-12 16:15:41,654 INFO L226 Difference]: Without dead ends: 251 [2018-04-12 16:15:41,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 16:15:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-04-12 16:15:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 160. [2018-04-12 16:15:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-12 16:15:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2018-04-12 16:15:41,659 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 55 [2018-04-12 16:15:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:41,660 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2018-04-12 16:15:41,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 16:15:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2018-04-12 16:15:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 16:15:41,660 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:41,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:41,661 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash 235230053, now seen corresponding path program 1 times [2018-04-12 16:15:41,661 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:41,661 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:41,662 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:41,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:41,662 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:41,668 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:15:41,724 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 16:15:41,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 16:15:41,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 16:15:41,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 16:15:41,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 16:15:41,725 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 6 states. [2018-04-12 16:15:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:41,753 INFO L93 Difference]: Finished difference Result 137 states and 155 transitions. [2018-04-12 16:15:41,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 16:15:41,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-04-12 16:15:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:41,754 INFO L225 Difference]: With dead ends: 137 [2018-04-12 16:15:41,754 INFO L226 Difference]: Without dead ends: 137 [2018-04-12 16:15:41,754 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 16:15:41,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-12 16:15:41,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2018-04-12 16:15:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-04-12 16:15:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 153 transitions. [2018-04-12 16:15:41,758 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 153 transitions. Word has length 56 [2018-04-12 16:15:41,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:41,758 INFO L459 AbstractCegarLoop]: Abstraction has 135 states and 153 transitions. [2018-04-12 16:15:41,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 16:15:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 153 transitions. [2018-04-12 16:15:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 16:15:41,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:41,759 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:41,759 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_INIT_LIST_HEADErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr1RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:41,759 INFO L82 PathProgramCache]: Analyzing trace with hash 848455943, now seen corresponding path program 1 times [2018-04-12 16:15:41,759 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:41,759 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:41,760 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:41,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:41,760 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:41,773 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:15:41,961 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:41,961 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 16:15:41,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:41,987 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:41,999 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 11 treesize of output 8 [2018-04-12 16:15:42,000 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 8 treesize of output 7 [2018-04-12 16:15:42,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:42,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:42,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:42,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-12 16:15:42,034 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 15 treesize of output 11 [2018-04-12 16:15:42,035 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 3 [2018-04-12 16:15:42,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:42,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:42,037 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 16:15:42,037 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:15:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:15:42,062 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:42,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7] total 18 [2018-04-12 16:15:42,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 16:15:42,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 16:15:42,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-04-12 16:15:42,063 INFO L87 Difference]: Start difference. First operand 135 states and 153 transitions. Second operand 19 states. [2018-04-12 16:15:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:42,521 INFO L93 Difference]: Finished difference Result 193 states and 213 transitions. [2018-04-12 16:15:42,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 16:15:42,522 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 56 [2018-04-12 16:15:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:42,523 INFO L225 Difference]: With dead ends: 193 [2018-04-12 16:15:42,523 INFO L226 Difference]: Without dead ends: 193 [2018-04-12 16:15:42,524 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=915, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 16:15:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-12 16:15:42,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 136. [2018-04-12 16:15:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-12 16:15:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 154 transitions. [2018-04-12 16:15:42,528 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 154 transitions. Word has length 56 [2018-04-12 16:15:42,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:42,528 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 154 transitions. [2018-04-12 16:15:42,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 16:15:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 154 transitions. [2018-04-12 16:15:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 16:15:42,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:42,529 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:42,529 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:42,529 INFO L82 PathProgramCache]: Analyzing trace with hash -767600457, now seen corresponding path program 1 times [2018-04-12 16:15:42,529 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:42,529 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:42,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:42,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:42,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:42,539 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 16:15:42,578 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:42,578 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 16:15:42,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:42,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 16:15:42,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:42,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-04-12 16:15:42,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 16:15:42,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 16:15:42,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:15:42,656 INFO L87 Difference]: Start difference. First operand 136 states and 154 transitions. Second operand 7 states. [2018-04-12 16:15:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:42,744 INFO L93 Difference]: Finished difference Result 160 states and 180 transitions. [2018-04-12 16:15:42,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 16:15:42,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-04-12 16:15:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:42,745 INFO L225 Difference]: With dead ends: 160 [2018-04-12 16:15:42,745 INFO L226 Difference]: Without dead ends: 160 [2018-04-12 16:15:42,745 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-12 16:15:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-12 16:15:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 142. [2018-04-12 16:15:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-04-12 16:15:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 161 transitions. [2018-04-12 16:15:42,747 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 161 transitions. Word has length 57 [2018-04-12 16:15:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:42,747 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 161 transitions. [2018-04-12 16:15:42,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 16:15:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 161 transitions. [2018-04-12 16:15:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 16:15:42,748 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:42,748 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:42,748 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:42,748 INFO L82 PathProgramCache]: Analyzing trace with hash -767600456, now seen corresponding path program 1 times [2018-04-12 16:15:42,748 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:42,748 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:42,749 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:42,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:42,749 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:42,755 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:15:42,891 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:42,891 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 16:15:42,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:42,916 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:43,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:43,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 20 [2018-04-12 16:15:43,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 16:15:43,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 16:15:43,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:15:43,077 INFO L87 Difference]: Start difference. First operand 142 states and 161 transitions. Second operand 21 states. [2018-04-12 16:15:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:43,810 INFO L93 Difference]: Finished difference Result 183 states and 204 transitions. [2018-04-12 16:15:43,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 16:15:43,810 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-12 16:15:43,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:43,811 INFO L225 Difference]: With dead ends: 183 [2018-04-12 16:15:43,811 INFO L226 Difference]: Without dead ends: 183 [2018-04-12 16:15:43,811 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-04-12 16:15:43,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-12 16:15:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 162. [2018-04-12 16:15:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-12 16:15:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 187 transitions. [2018-04-12 16:15:43,815 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 187 transitions. Word has length 57 [2018-04-12 16:15:43,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:43,815 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 187 transitions. [2018-04-12 16:15:43,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 16:15:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 187 transitions. [2018-04-12 16:15:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 16:15:43,816 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:43,816 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:43,816 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:43,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1974189682, now seen corresponding path program 1 times [2018-04-12 16:15:43,817 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:43,817 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:43,817 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:43,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:43,817 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:43,832 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:15:44,271 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:44,271 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 16:15:44,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:44,296 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:44,400 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 11 treesize of output 8 [2018-04-12 16:15:44,401 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 8 treesize of output 7 [2018-04-12 16:15:44,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:44,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:44,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:44,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-12 16:15:44,480 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 15 treesize of output 11 [2018-04-12 16:15:44,481 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 3 [2018-04-12 16:15:44,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:44,482 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:44,483 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 16:15:44,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:15:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:15:44,502 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:44,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11] total 32 [2018-04-12 16:15:44,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 16:15:44,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 16:15:44,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 16:15:44,503 INFO L87 Difference]: Start difference. First operand 162 states and 187 transitions. Second operand 33 states. [2018-04-12 16:15:46,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:46,319 INFO L93 Difference]: Finished difference Result 398 states and 469 transitions. [2018-04-12 16:15:46,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 16:15:46,320 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 58 [2018-04-12 16:15:46,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:46,322 INFO L225 Difference]: With dead ends: 398 [2018-04-12 16:15:46,322 INFO L226 Difference]: Without dead ends: 398 [2018-04-12 16:15:46,323 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=356, Invalid=4066, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 16:15:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-04-12 16:15:46,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 235. [2018-04-12 16:15:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-04-12 16:15:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions. [2018-04-12 16:15:46,329 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 58 [2018-04-12 16:15:46,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:46,329 INFO L459 AbstractCegarLoop]: Abstraction has 235 states and 287 transitions. [2018-04-12 16:15:46,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 16:15:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions. [2018-04-12 16:15:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 16:15:46,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:46,330 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:46,330 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_kobject_cleanupErr4AssertViolationMEMORY_FREE, __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_kobject_cleanupErr0RequiresViolation, __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_cleanupErr3AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:46,330 INFO L82 PathProgramCache]: Analyzing trace with hash -163991371, now seen corresponding path program 1 times [2018-04-12 16:15:46,330 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:46,330 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:46,331 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:46,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:46,331 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:46,338 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 16:15:46,462 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:46,462 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 16:15:46,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:46,501 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:46,593 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:46,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2018-04-12 16:15:46,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 16:15:46,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 16:15:46,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-12 16:15:46,594 INFO L87 Difference]: Start difference. First operand 235 states and 287 transitions. Second operand 19 states. [2018-04-12 16:15:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:46,777 INFO L93 Difference]: Finished difference Result 275 states and 334 transitions. [2018-04-12 16:15:46,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 16:15:46,779 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 58 [2018-04-12 16:15:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:46,780 INFO L225 Difference]: With dead ends: 275 [2018-04-12 16:15:46,780 INFO L226 Difference]: Without dead ends: 275 [2018-04-12 16:15:46,781 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2018-04-12 16:15:46,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-12 16:15:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 261. [2018-04-12 16:15:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-12 16:15:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2018-04-12 16:15:46,788 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 58 [2018-04-12 16:15:46,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:46,788 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2018-04-12 16:15:46,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 16:15:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2018-04-12 16:15:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 16:15:46,789 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:46,789 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:46,789 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1070338135, now seen corresponding path program 1 times [2018-04-12 16:15:46,790 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:46,790 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:46,791 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:46,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:46,791 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:46,804 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:15:47,280 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:47,280 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 16:15:47,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:47,303 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:47,326 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 16:15:47,326 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:15:47,410 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 11 treesize of output 8 [2018-04-12 16:15:47,412 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 8 treesize of output 7 [2018-04-12 16:15:47,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,415 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 16:15:47,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-12 16:15:47,504 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 17 treesize of output 13 [2018-04-12 16:15:47,505 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 5 [2018-04-12 16:15:47,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:15:47,507 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 16:15:47,507 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-12 16:15:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:15:47,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:47,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11] total 32 [2018-04-12 16:15:47,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 16:15:47,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 16:15:47,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 16:15:47,527 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand 33 states. [2018-04-12 16:15:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:49,028 INFO L93 Difference]: Finished difference Result 316 states and 376 transitions. [2018-04-12 16:15:49,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 16:15:49,028 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 59 [2018-04-12 16:15:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:49,030 INFO L225 Difference]: With dead ends: 316 [2018-04-12 16:15:49,030 INFO L226 Difference]: Without dead ends: 316 [2018-04-12 16:15:49,030 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=192, Invalid=2258, Unknown=0, NotChecked=0, Total=2450 [2018-04-12 16:15:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-04-12 16:15:49,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 240. [2018-04-12 16:15:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-12 16:15:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 289 transitions. [2018-04-12 16:15:49,035 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 289 transitions. Word has length 59 [2018-04-12 16:15:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:49,035 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 289 transitions. [2018-04-12 16:15:49,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 16:15:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 289 transitions. [2018-04-12 16:15:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 16:15:49,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:49,036 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:49,036 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:49,036 INFO L82 PathProgramCache]: Analyzing trace with hash 922608457, now seen corresponding path program 1 times [2018-04-12 16:15:49,036 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:49,036 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:49,037 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:49,037 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:49,042 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:15:49,132 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:49,132 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 16:15:49,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:49,164 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:49,243 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 16:15:49,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2018-04-12 16:15:49,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 16:15:49,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 16:15:49,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 16:15:49,244 INFO L87 Difference]: Start difference. First operand 240 states and 289 transitions. Second operand 14 states. [2018-04-12 16:15:49,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:49,315 INFO L93 Difference]: Finished difference Result 260 states and 306 transitions. [2018-04-12 16:15:49,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 16:15:49,317 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2018-04-12 16:15:49,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:49,318 INFO L225 Difference]: With dead ends: 260 [2018-04-12 16:15:49,318 INFO L226 Difference]: Without dead ends: 248 [2018-04-12 16:15:49,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-04-12 16:15:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-12 16:15:49,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 226. [2018-04-12 16:15:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-04-12 16:15:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 269 transitions. [2018-04-12 16:15:49,324 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 269 transitions. Word has length 61 [2018-04-12 16:15:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:49,324 INFO L459 AbstractCegarLoop]: Abstraction has 226 states and 269 transitions. [2018-04-12 16:15:49,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 16:15:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 269 transitions. [2018-04-12 16:15:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 16:15:49,325 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:49,325 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, 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 16:15:49,325 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:49,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1360055899, now seen corresponding path program 1 times [2018-04-12 16:15:49,325 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:49,325 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:49,326 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:49,327 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:49,335 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:15:49,423 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:49,424 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 16:15:49,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:49,465 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:15:49,558 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:49,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2018-04-12 16:15:49,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 16:15:49,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 16:15:49,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-12 16:15:49,559 INFO L87 Difference]: Start difference. First operand 226 states and 269 transitions. Second operand 19 states. [2018-04-12 16:15:49,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:15:49,679 INFO L93 Difference]: Finished difference Result 249 states and 292 transitions. [2018-04-12 16:15:49,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 16:15:49,679 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 62 [2018-04-12 16:15:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:15:49,680 INFO L225 Difference]: With dead ends: 249 [2018-04-12 16:15:49,680 INFO L226 Difference]: Without dead ends: 249 [2018-04-12 16:15:49,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2018-04-12 16:15:49,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-12 16:15:49,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2018-04-12 16:15:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-04-12 16:15:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 284 transitions. [2018-04-12 16:15:49,684 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 284 transitions. Word has length 62 [2018-04-12 16:15:49,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:15:49,684 INFO L459 AbstractCegarLoop]: Abstraction has 241 states and 284 transitions. [2018-04-12 16:15:49,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 16:15:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 284 transitions. [2018-04-12 16:15:49,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 16:15:49,685 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:15:49,685 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:15:49,685 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:15:49,686 INFO L82 PathProgramCache]: Analyzing trace with hash 86694412, now seen corresponding path program 2 times [2018-04-12 16:15:49,686 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:15:49,686 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:15:49,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:15:49,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:15:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:15:49,699 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:15:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:50,036 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:15:50,036 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 16:15:50,045 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:15:50,081 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:15:50,081 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:15:50,083 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:15:50,099 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 20 treesize of output 19 [2018-04-12 16:15:50,099 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,111 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 23 treesize of output 22 [2018-04-12 16:15:50,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,124 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 19 treesize of output 18 [2018-04-12 16:15:50,124 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,126 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 22 treesize of output 21 [2018-04-12 16:15:50,127 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:15:50,142 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:44, output treesize:40 [2018-04-12 16:15:50,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,735 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 55 treesize of output 58 [2018-04-12 16:15:50,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,786 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 57 treesize of output 70 [2018-04-12 16:15:50,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,828 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 56 treesize of output 50 [2018-04-12 16:15:50,828 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:50,858 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 16:15:50,858 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:50,883 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 16:15:50,883 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:113, output treesize:95 [2018-04-12 16:15:51,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,239 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 73 treesize of output 100 [2018-04-12 16:15:51,239 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 16:15:51,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,402 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 64 treesize of output 58 [2018-04-12 16:15:51,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:51,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,406 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 72 treesize of output 66 [2018-04-12 16:15:51,407 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:51,517 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,525 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 102 [2018-04-12 16:15:51,526 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 16:15:51,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,684 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,684 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 71 treesize of output 65 [2018-04-12 16:15:51,685 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:51,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,893 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 64 treesize of output 58 [2018-04-12 16:15:51,893 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:51,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,900 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:51,900 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 70 treesize of output 64 [2018-04-12 16:15:51,901 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:52,059 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 65 treesize of output 68 [2018-04-12 16:15:52,059 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 16:15:52,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,225 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 69 treesize of output 100 [2018-04-12 16:15:52,226 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-12 16:15:52,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,434 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 16:15:52,434 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:52,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:15:52,437 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 68 treesize of output 62 [2018-04-12 16:15:52,437 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 16:15:52,613 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 16:15:52,613 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 32 variables, input treesize:285, output treesize:437 [2018-04-12 16:15:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:15:52,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:15:52,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 35 [2018-04-12 16:15:52,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 16:15:52,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 16:15:52,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1157, Unknown=3, NotChecked=0, Total=1260 [2018-04-12 16:15:52,893 INFO L87 Difference]: Start difference. First operand 241 states and 284 transitions. Second operand 36 states. [2018-04-12 16:15:55,143 WARN L151 SmtUtils]: Spent 2055ms on a formula simplification. DAG size of input: 55 DAG size of output 54 [2018-04-12 16:15:59,281 WARN L151 SmtUtils]: Spent 4094ms on a formula simplification. DAG size of input: 72 DAG size of output 70 [2018-04-12 16:16:01,550 WARN L151 SmtUtils]: Spent 2051ms on a formula simplification. DAG size of input: 59 DAG size of output 54 [2018-04-12 16:16:31,557 WARN L151 SmtUtils]: Spent 28546ms on a formula simplification. DAG size of input: 83 DAG size of output 82 [2018-04-12 16:17:05,368 WARN L151 SmtUtils]: Spent 33694ms on a formula simplification. DAG size of input: 89 DAG size of output 85 [2018-04-12 16:17:33,813 WARN L151 SmtUtils]: Spent 28359ms on a formula simplification. DAG size of input: 91 DAG size of output 74 [2018-04-12 16:17:59,381 WARN L151 SmtUtils]: Spent 25284ms on a formula simplification. DAG size of input: 92 DAG size of output 75 [2018-04-12 16:17:59,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:17:59,854 INFO L93 Difference]: Finished difference Result 280 states and 322 transitions. [2018-04-12 16:17:59,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 16:17:59,854 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 62 [2018-04-12 16:17:59,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:17:59,855 INFO L225 Difference]: With dead ends: 280 [2018-04-12 16:17:59,855 INFO L226 Difference]: Without dead ends: 280 [2018-04-12 16:17:59,855 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 126.9s TimeCoverageRelationStatistics Valid=363, Invalid=3415, Unknown=4, NotChecked=0, Total=3782 [2018-04-12 16:17:59,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-04-12 16:17:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 240. [2018-04-12 16:17:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-12 16:17:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 283 transitions. [2018-04-12 16:17:59,860 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 283 transitions. Word has length 62 [2018-04-12 16:17:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:17:59,860 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 283 transitions. [2018-04-12 16:17:59,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 16:17:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 283 transitions. [2018-04-12 16:17:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-12 16:17:59,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:17:59,861 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1] [2018-04-12 16:17:59,861 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:17:59,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1455130920, now seen corresponding path program 1 times [2018-04-12 16:17:59,862 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:17:59,862 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:17:59,862 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:59,863 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:17:59,863 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:17:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:59,868 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:17:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:17:59,964 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:17:59,964 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 16:17:59,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:17:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:17:59,989 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:18:00,132 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:00,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2018-04-12 16:18:00,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 16:18:00,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 16:18:00,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:18:00,133 INFO L87 Difference]: Start difference. First operand 240 states and 283 transitions. Second operand 21 states. [2018-04-12 16:18:00,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:00,421 INFO L93 Difference]: Finished difference Result 242 states and 283 transitions. [2018-04-12 16:18:00,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 16:18:00,456 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 63 [2018-04-12 16:18:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:00,457 INFO L225 Difference]: With dead ends: 242 [2018-04-12 16:18:00,457 INFO L226 Difference]: Without dead ends: 242 [2018-04-12 16:18:00,458 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2018-04-12 16:18:00,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-04-12 16:18:00,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2018-04-12 16:18:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-04-12 16:18:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 279 transitions. [2018-04-12 16:18:00,461 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 279 transitions. Word has length 63 [2018-04-12 16:18:00,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:00,461 INFO L459 AbstractCegarLoop]: Abstraction has 238 states and 279 transitions. [2018-04-12 16:18:00,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 16:18:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 279 transitions. [2018-04-12 16:18:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 16:18:00,462 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:00,462 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:00,462 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2135581349, now seen corresponding path program 1 times [2018-04-12 16:18:00,462 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:00,462 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:00,463 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:00,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:00,463 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:00,470 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-12 16:18:00,736 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:00,736 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 16:18:00,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:00,766 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:00,818 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 16:18:00,819 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 16:18:00,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:00,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:00,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:00,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:18:00,968 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 16:18:00,970 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:18:00,970 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 16:18:00,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:00,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:00,977 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 16:18:00,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:32, output treesize:3 [2018-04-12 16:18:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:18:00,997 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:00,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 27 [2018-04-12 16:18:00,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 16:18:00,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 16:18:00,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2018-04-12 16:18:00,998 INFO L87 Difference]: Start difference. First operand 238 states and 279 transitions. Second operand 28 states. [2018-04-12 16:18:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:02,496 INFO L93 Difference]: Finished difference Result 408 states and 469 transitions. [2018-04-12 16:18:02,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 16:18:02,497 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 64 [2018-04-12 16:18:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:02,499 INFO L225 Difference]: With dead ends: 408 [2018-04-12 16:18:02,499 INFO L226 Difference]: Without dead ends: 408 [2018-04-12 16:18:02,500 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=347, Invalid=2845, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 16:18:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-04-12 16:18:02,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 336. [2018-04-12 16:18:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-04-12 16:18:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 397 transitions. [2018-04-12 16:18:02,507 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 397 transitions. Word has length 64 [2018-04-12 16:18:02,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:02,507 INFO L459 AbstractCegarLoop]: Abstraction has 336 states and 397 transitions. [2018-04-12 16:18:02,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 16:18:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 397 transitions. [2018-04-12 16:18:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-12 16:18:02,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:02,509 INFO L355 BasicCegarLoop]: trace histogram [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, 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 16:18:02,509 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:02,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1297134914, now seen corresponding path program 1 times [2018-04-12 16:18:02,509 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:02,509 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:02,510 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:02,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:02,510 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:02,521 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:02,797 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:02,797 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 16:18:02,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:02,840 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:02,925 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 11 treesize of output 8 [2018-04-12 16:18:02,928 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 8 treesize of output 7 [2018-04-12 16:18:02,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:02,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:02,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:02,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-12 16:18:02,979 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 5 treesize of output 1 [2018-04-12 16:18:02,980 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:02,983 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 16:18:02,983 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:15 [2018-04-12 16:18:03,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:03,114 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 16 treesize of output 29 [2018-04-12 16:18:03,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2018-04-12 16:18:03,128 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 22 treesize of output 15 [2018-04-12 16:18:03,128 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,139 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 10 [2018-04-12 16:18:03,139 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,147 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 18 treesize of output 5 [2018-04-12 16:18:03,147 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,151 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:03,154 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:38, output treesize:11 [2018-04-12 16:18:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:03,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:03,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 28 [2018-04-12 16:18:03,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 16:18:03,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 16:18:03,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-04-12 16:18:03,200 INFO L87 Difference]: Start difference. First operand 336 states and 397 transitions. Second operand 29 states. [2018-04-12 16:18:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:04,269 INFO L93 Difference]: Finished difference Result 466 states and 559 transitions. [2018-04-12 16:18:04,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 16:18:04,269 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 65 [2018-04-12 16:18:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:04,271 INFO L225 Difference]: With dead ends: 466 [2018-04-12 16:18:04,271 INFO L226 Difference]: Without dead ends: 466 [2018-04-12 16:18:04,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=2363, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 16:18:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2018-04-12 16:18:04,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 385. [2018-04-12 16:18:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-04-12 16:18:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 449 transitions. [2018-04-12 16:18:04,279 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 449 transitions. Word has length 65 [2018-04-12 16:18:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:04,280 INFO L459 AbstractCegarLoop]: Abstraction has 385 states and 449 transitions. [2018-04-12 16:18:04,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 16:18:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 449 transitions. [2018-04-12 16:18:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-12 16:18:04,280 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:04,280 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:04,281 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:04,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1778511897, now seen corresponding path program 1 times [2018-04-12 16:18:04,281 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:04,281 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:04,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:04,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:04,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:04,292 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:04,692 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:04,692 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 16:18:04,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:04,735 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:04,755 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 16:18:04,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,757 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:18:04,801 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 16:18:04,802 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 16:18:04,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,807 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 16:18:04,807 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:18:04,845 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 16:18:04,845 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,847 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 16:18:04,847 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:3 [2018-04-12 16:18:04,892 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 16:18:04,893 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:18:04,894 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 16:18:04,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:04,899 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 16:18:04,899 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:34, output treesize:5 [2018-04-12 16:18:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:18:04,928 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:04,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12] total 29 [2018-04-12 16:18:04,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 16:18:04,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 16:18:04,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2018-04-12 16:18:04,929 INFO L87 Difference]: Start difference. First operand 385 states and 449 transitions. Second operand 30 states. [2018-04-12 16:18:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:06,175 INFO L93 Difference]: Finished difference Result 446 states and 523 transitions. [2018-04-12 16:18:06,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 16:18:06,175 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 65 [2018-04-12 16:18:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:06,176 INFO L225 Difference]: With dead ends: 446 [2018-04-12 16:18:06,177 INFO L226 Difference]: Without dead ends: 446 [2018-04-12 16:18:06,177 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=307, Invalid=2773, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 16:18:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-12 16:18:06,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 394. [2018-04-12 16:18:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-04-12 16:18:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 458 transitions. [2018-04-12 16:18:06,181 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 458 transitions. Word has length 65 [2018-04-12 16:18:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:06,182 INFO L459 AbstractCegarLoop]: Abstraction has 394 states and 458 transitions. [2018-04-12 16:18:06,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 16:18:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 458 transitions. [2018-04-12 16:18:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 16:18:06,182 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:06,182 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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 16:18:06,182 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:06,182 INFO L82 PathProgramCache]: Analyzing trace with hash -972065742, now seen corresponding path program 2 times [2018-04-12 16:18:06,182 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:06,183 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:06,183 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:06,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:06,183 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:06,191 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:06,474 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:06,474 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 16:18:06,479 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:18:06,498 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:18:06,498 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:18:06,500 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:06,550 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 16:18:06,551 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 16:18:06,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,554 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 16:18:06,585 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 23 treesize of output 18 [2018-04-12 16:18:06,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:06,586 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 18 treesize of output 27 [2018-04-12 16:18:06,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,593 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 16:18:06,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-04-12 16:18:06,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 20 [2018-04-12 16:18:06,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:06,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 12 [2018-04-12 16:18:06,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,777 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 16:18:06,777 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:13 [2018-04-12 16:18:06,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:06,801 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 16:18:06,802 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:06,805 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:11 [2018-04-12 16:18:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:06,843 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:06,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 31 [2018-04-12 16:18:06,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 16:18:06,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 16:18:06,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2018-04-12 16:18:06,844 INFO L87 Difference]: Start difference. First operand 394 states and 458 transitions. Second operand 32 states. [2018-04-12 16:18:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:09,164 INFO L93 Difference]: Finished difference Result 472 states and 538 transitions. [2018-04-12 16:18:09,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 16:18:09,164 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2018-04-12 16:18:09,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:09,165 INFO L225 Difference]: With dead ends: 472 [2018-04-12 16:18:09,165 INFO L226 Difference]: Without dead ends: 472 [2018-04-12 16:18:09,166 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=702, Invalid=4998, Unknown=0, NotChecked=0, Total=5700 [2018-04-12 16:18:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-04-12 16:18:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 398. [2018-04-12 16:18:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-04-12 16:18:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 466 transitions. [2018-04-12 16:18:09,173 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 466 transitions. Word has length 66 [2018-04-12 16:18:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:09,173 INFO L459 AbstractCegarLoop]: Abstraction has 398 states and 466 transitions. [2018-04-12 16:18:09,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 16:18:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 466 transitions. [2018-04-12 16:18:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 16:18:09,174 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:09,174 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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 16:18:09,174 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:09,174 INFO L82 PathProgramCache]: Analyzing trace with hash -972065741, now seen corresponding path program 1 times [2018-04-12 16:18:09,174 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:09,175 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:09,175 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:09,175 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:18:09,175 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:09,184 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:18:09,337 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:09,337 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 16:18:09,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:09,395 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:09,399 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 17 treesize of output 16 [2018-04-12 16:18:09,399 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:09,411 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 14 treesize of output 13 [2018-04-12 16:18:09,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:09,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:18:09,421 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:30 [2018-04-12 16:18:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:13,864 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:13,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2018-04-12 16:18:13,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 16:18:13,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 16:18:13,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=587, Unknown=2, NotChecked=0, Total=650 [2018-04-12 16:18:13,865 INFO L87 Difference]: Start difference. First operand 398 states and 466 transitions. Second operand 26 states. [2018-04-12 16:18:41,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:41,252 INFO L93 Difference]: Finished difference Result 419 states and 482 transitions. [2018-04-12 16:18:41,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 16:18:41,252 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 66 [2018-04-12 16:18:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:41,253 INFO L225 Difference]: With dead ends: 419 [2018-04-12 16:18:41,253 INFO L226 Difference]: Without dead ends: 419 [2018-04-12 16:18:41,254 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=228, Invalid=1837, Unknown=5, NotChecked=0, Total=2070 [2018-04-12 16:18:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-04-12 16:18:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 398. [2018-04-12 16:18:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-04-12 16:18:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 464 transitions. [2018-04-12 16:18:41,261 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 464 transitions. Word has length 66 [2018-04-12 16:18:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:41,261 INFO L459 AbstractCegarLoop]: Abstraction has 398 states and 464 transitions. [2018-04-12 16:18:41,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 16:18:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 464 transitions. [2018-04-12 16:18:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-12 16:18:41,262 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:41,262 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:41,262 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:41,263 INFO L82 PathProgramCache]: Analyzing trace with hash -69266857, now seen corresponding path program 1 times [2018-04-12 16:18:41,263 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:41,263 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:41,264 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:41,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:41,264 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:41,275 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:18:41,401 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:41,401 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 16:18:41,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:41,425 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:41,440 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 13 treesize of output 10 [2018-04-12 16:18:41,441 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 10 treesize of output 9 [2018-04-12 16:18:41,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:41,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:41,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:41,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-12 16:18:41,492 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 16:18:41,503 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 16:18:41,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:41,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:41,505 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 16:18:41,505 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 16:18:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:18:41,524 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:18:41,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 20 [2018-04-12 16:18:41,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 16:18:41,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 16:18:41,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:18:41,525 INFO L87 Difference]: Start difference. First operand 398 states and 464 transitions. Second operand 21 states. [2018-04-12 16:18:42,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:18:42,048 INFO L93 Difference]: Finished difference Result 421 states and 484 transitions. [2018-04-12 16:18:42,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 16:18:42,049 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 67 [2018-04-12 16:18:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:18:42,050 INFO L225 Difference]: With dead ends: 421 [2018-04-12 16:18:42,050 INFO L226 Difference]: Without dead ends: 421 [2018-04-12 16:18:42,050 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1356, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 16:18:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-12 16:18:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 399. [2018-04-12 16:18:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-04-12 16:18:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 465 transitions. [2018-04-12 16:18:42,054 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 465 transitions. Word has length 67 [2018-04-12 16:18:42,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:18:42,054 INFO L459 AbstractCegarLoop]: Abstraction has 399 states and 465 transitions. [2018-04-12 16:18:42,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 16:18:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 465 transitions. [2018-04-12 16:18:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 16:18:42,055 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:18:42,055 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:18:42,055 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:18:42,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1252729490, now seen corresponding path program 1 times [2018-04-12 16:18:42,055 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:18:42,055 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:18:42,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:42,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:42,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:18:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:42,063 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:18:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:18:42,600 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:18:42,600 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 16:18:42,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:18:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:18:42,629 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:18:42,639 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 16:18:42,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:18:42,884 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 11 treesize of output 8 [2018-04-12 16:18:42,885 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 8 treesize of output 7 [2018-04-12 16:18:42,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,889 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 16:18:42,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-04-12 16:18:42,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:42,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:18:42,917 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 15 treesize of output 8 [2018-04-12 16:18:42,918 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,920 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 16:18:42,945 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 16:18:42,945 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:18:42,947 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 16:18:42,947 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:12 [2018-04-12 16:18:54,991 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 12 [2018-04-12 16:18:57,032 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-12 16:18:59,069 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:19:01,130 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:19:01,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:19:01,135 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 16 treesize of output 29 [2018-04-12 16:19:01,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:01,153 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 18 treesize of output 22 [2018-04-12 16:19:01,157 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-12 16:19:01,158 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:19:01,167 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 18 treesize of output 16 [2018-04-12 16:19:01,167 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:19:01,175 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-12 16:19:01,175 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:19:01,182 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 16:19:01,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 16:19:01,191 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:32, output treesize:34 [2018-04-12 16:19:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:19:01,253 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:19:01,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18] total 41 [2018-04-12 16:19:01,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 16:19:01,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 16:19:01,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1615, Unknown=5, NotChecked=0, Total=1722 [2018-04-12 16:19:01,254 INFO L87 Difference]: Start difference. First operand 399 states and 465 transitions. Second operand 42 states. [2018-04-12 16:20:22,401 WARN L148 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-12 16:20:28,499 WARN L151 SmtUtils]: Spent 4024ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-12 16:20:42,709 WARN L151 SmtUtils]: Spent 4033ms on a formula simplification. DAG size of input: 46 DAG size of output 35 [2018-04-12 16:20:46,935 WARN L151 SmtUtils]: Spent 4043ms on a formula simplification. DAG size of input: 48 DAG size of output 47 [2018-04-12 16:20:48,977 WARN L148 SmtUtils]: Spent 2016ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-12 16:20:51,023 WARN L148 SmtUtils]: Spent 2010ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-12 16:21:17,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:21:17,888 INFO L93 Difference]: Finished difference Result 515 states and 611 transitions. [2018-04-12 16:21:17,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-12 16:21:17,888 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 68 [2018-04-12 16:21:17,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:21:17,889 INFO L225 Difference]: With dead ends: 515 [2018-04-12 16:21:17,889 INFO L226 Difference]: Without dead ends: 515 [2018-04-12 16:21:17,890 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 54.1s TimeCoverageRelationStatistics Valid=352, Invalid=4891, Unknown=13, NotChecked=0, Total=5256 [2018-04-12 16:21:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-04-12 16:21:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 404. [2018-04-12 16:21:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-04-12 16:21:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 474 transitions. [2018-04-12 16:21:17,894 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 474 transitions. Word has length 68 [2018-04-12 16:21:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:21:17,894 INFO L459 AbstractCegarLoop]: Abstraction has 404 states and 474 transitions. [2018-04-12 16:21:17,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 16:21:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 474 transitions. [2018-04-12 16:21:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 16:21:17,895 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:21:17,895 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:21:17,895 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:21:17,895 INFO L82 PathProgramCache]: Analyzing trace with hash -930880417, now seen corresponding path program 1 times [2018-04-12 16:21:17,895 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:21:17,895 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:21:17,896 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:17,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:17,896 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:21:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:17,904 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:21:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:21:18,198 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:21:18,198 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 16:21:18,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:21:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:21:18,223 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:21:18,225 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 16:21:18,225 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,226 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:21:18,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:18,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:18,312 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 16:21:18,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,314 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 16:21:18,348 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 16:21:18,349 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 16:21:18,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,353 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 16:21:18,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-12 16:21:18,413 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 16:21:18,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:18,416 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 16:21:18,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:19 [2018-04-12 16:21:22,442 WARN L148 SmtUtils]: Spent 2002ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:21:22,628 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 16:21:22,630 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:21:22,630 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 16:21:22,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:22,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:21:22,637 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 16:21:22,637 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:38, output treesize:10 [2018-04-12 16:21:22,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:21:22,651 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 16:21:22,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:21:22,655 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 16:21:22,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:21:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 16:21:22,703 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:21:22,703 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 37 [2018-04-12 16:21:22,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 16:21:22,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 16:21:22,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1304, Unknown=1, NotChecked=0, Total=1406 [2018-04-12 16:21:22,704 INFO L87 Difference]: Start difference. First operand 404 states and 474 transitions. Second operand 38 states. [2018-04-12 16:22:02,067 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 61 DAG size of output 39 [2018-04-12 16:22:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:22:05,349 INFO L93 Difference]: Finished difference Result 455 states and 532 transitions. [2018-04-12 16:22:05,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 16:22:05,349 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 68 [2018-04-12 16:22:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:22:05,350 INFO L225 Difference]: With dead ends: 455 [2018-04-12 16:22:05,350 INFO L226 Difference]: Without dead ends: 455 [2018-04-12 16:22:05,351 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=392, Invalid=4163, Unknown=1, NotChecked=0, Total=4556 [2018-04-12 16:22:05,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-04-12 16:22:05,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 413. [2018-04-12 16:22:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-12 16:22:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 483 transitions. [2018-04-12 16:22:05,355 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 483 transitions. Word has length 68 [2018-04-12 16:22:05,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:22:05,355 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 483 transitions. [2018-04-12 16:22:05,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 16:22:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 483 transitions. [2018-04-12 16:22:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 16:22:05,356 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:22:05,356 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:22:05,356 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:22:05,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2147272430, now seen corresponding path program 1 times [2018-04-12 16:22:05,356 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:22:05,356 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:22:05,357 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:05,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:05,357 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:05,364 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:22:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:22:05,514 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:22:05,514 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 16:22:05,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:05,552 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:22:05,580 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 16:22:05,582 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 16:22:05,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:05,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:05,589 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 16:22:05,589 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:22 [2018-04-12 16:22:05,699 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 17 treesize of output 13 [2018-04-12 16:22:05,700 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:22:05,700 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 13 treesize of output 9 [2018-04-12 16:22:05,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:05,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:05,703 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 16:22:05,703 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2018-04-12 16:22:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:22:05,733 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:22:05,733 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2018-04-12 16:22:05,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 16:22:05,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 16:22:05,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2018-04-12 16:22:05,733 INFO L87 Difference]: Start difference. First operand 413 states and 483 transitions. Second operand 18 states. [2018-04-12 16:22:06,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:22:06,213 INFO L93 Difference]: Finished difference Result 435 states and 502 transitions. [2018-04-12 16:22:06,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 16:22:06,214 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 68 [2018-04-12 16:22:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:22:06,215 INFO L225 Difference]: With dead ends: 435 [2018-04-12 16:22:06,215 INFO L226 Difference]: Without dead ends: 435 [2018-04-12 16:22:06,216 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 61 SyntacticMatches, 11 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=965, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 16:22:06,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-04-12 16:22:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 414. [2018-04-12 16:22:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-12 16:22:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 484 transitions. [2018-04-12 16:22:06,220 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 484 transitions. Word has length 68 [2018-04-12 16:22:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:22:06,220 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 484 transitions. [2018-04-12 16:22:06,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 16:22:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 484 transitions. [2018-04-12 16:22:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-12 16:22:06,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:22:06,221 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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 16:22:06,221 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_dev_set_drvdataErr1RequiresViolation, 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ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:22:06,221 INFO L82 PathProgramCache]: Analyzing trace with hash -519440427, now seen corresponding path program 1 times [2018-04-12 16:22:06,221 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:22:06,221 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:22:06,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:06,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:06,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:06,229 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:22:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:22:06,865 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:22:06,865 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 16:22:06,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:06,892 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:22:06,894 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 16:22:06,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:06,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:06,896 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:22:06,900 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:22:06,900 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 16:22:06,901 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:06,906 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 16:22:06,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:22:07,020 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 11 treesize of output 8 [2018-04-12 16:22:07,021 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 8 treesize of output 7 [2018-04-12 16:22:07,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,025 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 16:22:07,066 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 16:22:07,066 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,068 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 16:22:07,068 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:11 [2018-04-12 16:22:07,186 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 28 treesize of output 30 [2018-04-12 16:22:07,188 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 26 treesize of output 21 [2018-04-12 16:22:07,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,203 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 22 treesize of output 9 [2018-04-12 16:22:07,204 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:07,210 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 16:22:07,210 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:33, output treesize:15 [2018-04-12 16:22:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:22:07,387 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:22:07,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18] total 38 [2018-04-12 16:22:07,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 16:22:07,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 16:22:07,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1309, Unknown=18, NotChecked=0, Total=1482 [2018-04-12 16:22:07,388 INFO L87 Difference]: Start difference. First operand 414 states and 484 transitions. Second operand 39 states. [2018-04-12 16:22:08,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:22:08,954 INFO L93 Difference]: Finished difference Result 511 states and 610 transitions. [2018-04-12 16:22:08,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 16:22:08,955 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 69 [2018-04-12 16:22:08,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:22:08,956 INFO L225 Difference]: With dead ends: 511 [2018-04-12 16:22:08,956 INFO L226 Difference]: Without dead ends: 475 [2018-04-12 16:22:08,956 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 61 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=592, Invalid=3812, Unknown=18, NotChecked=0, Total=4422 [2018-04-12 16:22:08,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-04-12 16:22:08,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 406. [2018-04-12 16:22:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2018-04-12 16:22:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 474 transitions. [2018-04-12 16:22:08,960 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 474 transitions. Word has length 69 [2018-04-12 16:22:08,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:22:08,961 INFO L459 AbstractCegarLoop]: Abstraction has 406 states and 474 transitions. [2018-04-12 16:22:08,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 16:22:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 474 transitions. [2018-04-12 16:22:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-12 16:22:08,961 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:22:08,962 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:22:08,962 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:22:08,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1439215732, now seen corresponding path program 1 times [2018-04-12 16:22:08,962 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:22:08,962 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:22:08,963 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:08,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:08,963 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:08,970 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:22:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:22:09,065 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:22:09,065 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 16:22:09,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:09,106 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:22:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 16:22:09,192 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:22:09,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2018-04-12 16:22:09,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 16:22:09,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 16:22:09,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-12 16:22:09,194 INFO L87 Difference]: Start difference. First operand 406 states and 474 transitions. Second operand 17 states. [2018-04-12 16:22:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:22:09,318 INFO L93 Difference]: Finished difference Result 396 states and 454 transitions. [2018-04-12 16:22:09,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 16:22:09,319 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 69 [2018-04-12 16:22:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:22:09,320 INFO L225 Difference]: With dead ends: 396 [2018-04-12 16:22:09,320 INFO L226 Difference]: Without dead ends: 390 [2018-04-12 16:22:09,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-04-12 16:22:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-12 16:22:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 375. [2018-04-12 16:22:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-12 16:22:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 435 transitions. [2018-04-12 16:22:09,323 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 435 transitions. Word has length 69 [2018-04-12 16:22:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:22:09,323 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 435 transitions. [2018-04-12 16:22:09,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 16:22:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 435 transitions. [2018-04-12 16:22:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-12 16:22:09,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:22:09,324 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:22:09,324 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:22:09,324 INFO L82 PathProgramCache]: Analyzing trace with hash 693105078, now seen corresponding path program 1 times [2018-04-12 16:22:09,324 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:22:09,324 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:22:09,325 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:09,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:09,325 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:09,330 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:22:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:22:09,375 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:22:09,375 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 16:22:09,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:09,401 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:22:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:22:09,433 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 16:22:09,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2018-04-12 16:22:09,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 16:22:09,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 16:22:09,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-04-12 16:22:09,434 INFO L87 Difference]: Start difference. First operand 375 states and 435 transitions. Second operand 11 states. [2018-04-12 16:22:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:22:09,597 INFO L93 Difference]: Finished difference Result 337 states and 384 transitions. [2018-04-12 16:22:09,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 16:22:09,598 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2018-04-12 16:22:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:22:09,598 INFO L225 Difference]: With dead ends: 337 [2018-04-12 16:22:09,598 INFO L226 Difference]: Without dead ends: 337 [2018-04-12 16:22:09,598 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2018-04-12 16:22:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-12 16:22:09,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 320. [2018-04-12 16:22:09,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-04-12 16:22:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 364 transitions. [2018-04-12 16:22:09,601 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 364 transitions. Word has length 71 [2018-04-12 16:22:09,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:22:09,601 INFO L459 AbstractCegarLoop]: Abstraction has 320 states and 364 transitions. [2018-04-12 16:22:09,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 16:22:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 364 transitions. [2018-04-12 16:22:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 16:22:09,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:22:09,602 INFO L355 BasicCegarLoop]: trace histogram [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, 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 16:22:09,602 INFO L408 AbstractCegarLoop]: === Iteration 40 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:22:09,602 INFO L82 PathProgramCache]: Analyzing trace with hash 474395269, now seen corresponding path program 1 times [2018-04-12 16:22:09,602 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:22:09,602 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:22:09,602 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:09,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:09,602 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:22:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:09,626 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:22:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:22:10,594 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:22:10,594 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:22:10,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:22:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:22:10,621 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:22:10,816 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 11 treesize of output 8 [2018-04-12 16:22:10,817 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 8 treesize of output 7 [2018-04-12 16:22:10,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:10,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:22:10,821 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 16:22:10,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:20 [2018-04-12 16:22:10,893 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 16:22:10,893 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:10,896 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 16:22:10,896 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:12 [2018-04-12 16:22:24,947 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 12 [2018-04-12 16:22:26,987 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-12 16:22:29,028 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:22:31,068 WARN L148 SmtUtils]: Spent 2003ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-12 16:22:31,075 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 34 treesize of output 36 [2018-04-12 16:22:31,077 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 32 treesize of output 30 [2018-04-12 16:22:31,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:22:31,097 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-12 16:22:31,097 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 16:22:31,112 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2018-04-12 16:22:31,113 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:22:31,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 16:22:31,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 16:22:31,145 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:39, output treesize:70 [2018-04-12 16:22:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-12 16:22:35,399 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:22:35,399 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 17] total 41 [2018-04-12 16:22:35,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 16:22:35,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 16:22:35,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1595, Unknown=13, NotChecked=0, Total=1722 [2018-04-12 16:22:35,400 INFO L87 Difference]: Start difference. First operand 320 states and 364 transitions. Second operand 42 states. [2018-04-12 16:23:30,658 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 15 [2018-04-12 16:23:32,697 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 24 [2018-04-12 16:23:36,776 WARN L151 SmtUtils]: Spent 4022ms on a formula simplification. DAG size of input: 35 DAG size of output 34 [2018-04-12 16:23:38,842 WARN L148 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-12 16:23:45,145 WARN L151 SmtUtils]: Spent 4013ms on a formula simplification. DAG size of input: 26 DAG size of output 25 [2018-04-12 16:24:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:24:31,736 INFO L93 Difference]: Finished difference Result 370 states and 426 transitions. [2018-04-12 16:24:31,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 16:24:31,736 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 72 [2018-04-12 16:24:31,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:24:31,737 INFO L225 Difference]: With dead ends: 370 [2018-04-12 16:24:31,737 INFO L226 Difference]: Without dead ends: 335 [2018-04-12 16:24:31,738 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 58.5s TimeCoverageRelationStatistics Valid=286, Invalid=4114, Unknown=22, NotChecked=0, Total=4422 [2018-04-12 16:24:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-04-12 16:24:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 289. [2018-04-12 16:24:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-04-12 16:24:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 331 transitions. [2018-04-12 16:24:31,741 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 331 transitions. Word has length 72 [2018-04-12 16:24:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:24:31,741 INFO L459 AbstractCegarLoop]: Abstraction has 289 states and 331 transitions. [2018-04-12 16:24:31,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 16:24:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 331 transitions. [2018-04-12 16:24:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 16:24:31,741 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:24:31,741 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:24:31,742 INFO L408 AbstractCegarLoop]: === Iteration 41 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:24:31,742 INFO L82 PathProgramCache]: Analyzing trace with hash -702098623, now seen corresponding path program 2 times [2018-04-12 16:24:31,742 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:24:31,742 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:24:31,742 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:31,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:24:31,742 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:31,758 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:24:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 16:24:32,109 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:24:32,109 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:24:32,117 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:24:32,157 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:24:32,157 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:24:32,161 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:24:32,305 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 11 treesize of output 8 [2018-04-12 16:24:32,306 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 8 treesize of output 7 [2018-04-12 16:24:32,306 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:32,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:32,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:32,312 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-12 16:24:32,372 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 23 treesize of output 18 [2018-04-12 16:24:32,380 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 18 treesize of output 27 [2018-04-12 16:24:32,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 16:24:32,388 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 16:24:32,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 16:24:32,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-12 16:24:32,486 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 15 treesize of output 11 [2018-04-12 16:24:32,487 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 3 [2018-04-12 16:24:32,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:32,488 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:32,489 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 16:24:32,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-12 16:24:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:24:32,511 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:24:32,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 28 [2018-04-12 16:24:32,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 16:24:32,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 16:24:32,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2018-04-12 16:24:32,511 INFO L87 Difference]: Start difference. First operand 289 states and 331 transitions. Second operand 29 states. [2018-04-12 16:24:33,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:24:33,243 INFO L93 Difference]: Finished difference Result 456 states and 508 transitions. [2018-04-12 16:24:33,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 16:24:33,243 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-04-12 16:24:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:24:33,244 INFO L225 Difference]: With dead ends: 456 [2018-04-12 16:24:33,244 INFO L226 Difference]: Without dead ends: 456 [2018-04-12 16:24:33,244 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 61 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=284, Invalid=2578, Unknown=0, NotChecked=0, Total=2862 [2018-04-12 16:24:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-04-12 16:24:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 348. [2018-04-12 16:24:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-04-12 16:24:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 404 transitions. [2018-04-12 16:24:33,250 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 404 transitions. Word has length 75 [2018-04-12 16:24:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:24:33,250 INFO L459 AbstractCegarLoop]: Abstraction has 348 states and 404 transitions. [2018-04-12 16:24:33,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 16:24:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 404 transitions. [2018-04-12 16:24:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 16:24:33,251 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:24:33,251 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:24:33,251 INFO L408 AbstractCegarLoop]: === Iteration 42 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:24:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1143178163, now seen corresponding path program 1 times [2018-04-12 16:24:33,252 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:24:33,252 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:24:33,253 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,253 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:24:33,253 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:33,262 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:24:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:24:33,298 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:24:33,298 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:24:33,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:24:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:33,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:24:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:24:33,383 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:24:33,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-04-12 16:24:33,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 16:24:33,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 16:24:33,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-12 16:24:33,384 INFO L87 Difference]: Start difference. First operand 348 states and 404 transitions. Second operand 7 states. [2018-04-12 16:24:33,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:24:33,438 INFO L93 Difference]: Finished difference Result 362 states and 415 transitions. [2018-04-12 16:24:33,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 16:24:33,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-04-12 16:24:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:24:33,440 INFO L225 Difference]: With dead ends: 362 [2018-04-12 16:24:33,440 INFO L226 Difference]: Without dead ends: 362 [2018-04-12 16:24:33,440 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-04-12 16:24:33,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-04-12 16:24:33,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2018-04-12 16:24:33,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-04-12 16:24:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 409 transitions. [2018-04-12 16:24:33,446 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 409 transitions. Word has length 74 [2018-04-12 16:24:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:24:33,446 INFO L459 AbstractCegarLoop]: Abstraction has 356 states and 409 transitions. [2018-04-12 16:24:33,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 16:24:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 409 transitions. [2018-04-12 16:24:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 16:24:33,447 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:24:33,447 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:24:33,447 INFO L408 AbstractCegarLoop]: === Iteration 43 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:24:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash 545925670, now seen corresponding path program 3 times [2018-04-12 16:24:33,447 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:24:33,447 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:24:33,448 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:24:33,448 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:33,459 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:24:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:24:33,600 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:24:33,600 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:24:33,608 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 16:24:33,650 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 16:24:33,651 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:24:33,653 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:24:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:24:33,762 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:24:33,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 24 [2018-04-12 16:24:33,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 16:24:33,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 16:24:33,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2018-04-12 16:24:33,763 INFO L87 Difference]: Start difference. First operand 356 states and 409 transitions. Second operand 24 states. [2018-04-12 16:24:33,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:24:33,951 INFO L93 Difference]: Finished difference Result 494 states and 568 transitions. [2018-04-12 16:24:33,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 16:24:33,951 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 74 [2018-04-12 16:24:33,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:24:33,952 INFO L225 Difference]: With dead ends: 494 [2018-04-12 16:24:33,953 INFO L226 Difference]: Without dead ends: 494 [2018-04-12 16:24:33,953 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2018-04-12 16:24:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2018-04-12 16:24:33,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 471. [2018-04-12 16:24:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2018-04-12 16:24:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 552 transitions. [2018-04-12 16:24:33,969 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 552 transitions. Word has length 74 [2018-04-12 16:24:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:24:33,969 INFO L459 AbstractCegarLoop]: Abstraction has 471 states and 552 transitions. [2018-04-12 16:24:33,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 16:24:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 552 transitions. [2018-04-12 16:24:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-12 16:24:33,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:24:33,970 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:24:33,970 INFO L408 AbstractCegarLoop]: === Iteration 44 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:24:33,971 INFO L82 PathProgramCache]: Analyzing trace with hash -290220696, now seen corresponding path program 2 times [2018-04-12 16:24:33,971 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:24:33,971 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:24:33,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,972 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:24:33,972 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:33,984 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:24:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:24:34,356 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:24:34,356 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:24:34,361 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:24:34,387 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:24:34,387 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:24:34,389 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:24:34,466 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 16:24:34,467 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,467 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:24:34,520 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 11 treesize of output 8 [2018-04-12 16:24:34,521 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 8 treesize of output 7 [2018-04-12 16:24:34,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,527 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 16:24:34,527 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-12 16:24:34,551 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 16:24:34,551 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,552 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 16:24:34,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:13, output treesize:3 [2018-04-12 16:24:34,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:24:34,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:24:34,582 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 16:24:34,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,588 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 16:24:34,588 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:32 [2018-04-12 16:24:34,637 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 16:24:34,643 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 36 [2018-04-12 16:24:34,644 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:24:34,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:24:34,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 16:24:34,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:52 [2018-04-12 16:24:34,975 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 19 [2018-04-12 16:24:34,977 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 19 treesize of output 10 [2018-04-12 16:24:34,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:34,981 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 16:24:34,981 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:15 [2018-04-12 16:24:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:24:35,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:24:35,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24] total 38 [2018-04-12 16:24:35,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 16:24:35,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 16:24:35,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1370, Unknown=1, NotChecked=0, Total=1482 [2018-04-12 16:24:35,051 INFO L87 Difference]: Start difference. First operand 471 states and 552 transitions. Second operand 39 states. [2018-04-12 16:24:36,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:24:36,655 INFO L93 Difference]: Finished difference Result 503 states and 582 transitions. [2018-04-12 16:24:36,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 16:24:36,655 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-04-12 16:24:36,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:24:36,657 INFO L225 Difference]: With dead ends: 503 [2018-04-12 16:24:36,657 INFO L226 Difference]: Without dead ends: 503 [2018-04-12 16:24:36,657 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 977 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=327, Invalid=3832, Unknown=1, NotChecked=0, Total=4160 [2018-04-12 16:24:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-04-12 16:24:36,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 474. [2018-04-12 16:24:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2018-04-12 16:24:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 554 transitions. [2018-04-12 16:24:36,662 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 554 transitions. Word has length 76 [2018-04-12 16:24:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:24:36,662 INFO L459 AbstractCegarLoop]: Abstraction has 474 states and 554 transitions. [2018-04-12 16:24:36,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 16:24:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 554 transitions. [2018-04-12 16:24:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 16:24:36,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:24:36,663 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:24:36,664 INFO L408 AbstractCegarLoop]: === Iteration 45 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:24:36,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1370466541, now seen corresponding path program 2 times [2018-04-12 16:24:36,664 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:24:36,664 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:24:36,665 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:36,665 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:24:36,665 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:24:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:24:36,675 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:24:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:24:36,975 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:24:36,998 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:24:37,003 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:24:37,024 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:24:37,024 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:24:37,026 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:24:37,072 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 16:24:37,073 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 16:24:37,073 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:37,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:37,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:37,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 16:24:37,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:24:37,379 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 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-12 16:24:37,380 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 16:24:37,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 16:24:37,400 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:87 [2018-04-12 16:24:38,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 57 [2018-04-12 16:24:38,283 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:24:38,283 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 49 [2018-04-12 16:24:38,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:38,305 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:24:38,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2018-04-12 16:24:38,306 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:24:38,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:38,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:24:38,326 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 14 variables, input treesize:117, output treesize:11 [2018-04-12 16:24:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 16:24:38,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:24:38,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 32 [2018-04-12 16:24:38,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 16:24:38,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 16:24:38,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 16:24:38,378 INFO L87 Difference]: Start difference. First operand 474 states and 554 transitions. Second operand 33 states. [2018-04-12 16:24:43,215 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 82 DAG size of output 81 [2018-04-12 16:24:43,412 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 98 DAG size of output 58 [2018-04-12 16:24:47,787 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 77 DAG size of output 75 [2018-04-12 16:24:48,038 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 73 DAG size of output 63 [2018-04-12 16:24:50,846 WARN L151 SmtUtils]: Spent 266ms on a formula simplification. DAG size of input: 94 DAG size of output 75 [2018-04-12 16:24:52,334 WARN L151 SmtUtils]: Spent 355ms on a formula simplification. DAG size of input: 84 DAG size of output 84 [2018-04-12 16:24:52,677 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 79 DAG size of output 53 [2018-04-12 16:24:53,752 WARN L151 SmtUtils]: Spent 830ms on a formula simplification. DAG size of input: 88 DAG size of output 88 [2018-04-12 16:24:56,493 WARN L151 SmtUtils]: Spent 282ms on a formula simplification. DAG size of input: 57 DAG size of output 57 [2018-04-12 16:25:03,525 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 73 DAG size of output 73 [2018-04-12 16:25:06,124 WARN L151 SmtUtils]: Spent 371ms on a formula simplification. DAG size of input: 84 DAG size of output 65 [2018-04-12 16:25:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:25:10,734 INFO L93 Difference]: Finished difference Result 603 states and 711 transitions. [2018-04-12 16:25:10,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-12 16:25:10,735 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 77 [2018-04-12 16:25:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:25:10,736 INFO L225 Difference]: With dead ends: 603 [2018-04-12 16:25:10,736 INFO L226 Difference]: Without dead ends: 603 [2018-04-12 16:25:10,736 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1869 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=731, Invalid=6219, Unknown=22, NotChecked=0, Total=6972 [2018-04-12 16:25:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-04-12 16:25:10,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 480. [2018-04-12 16:25:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-04-12 16:25:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 559 transitions. [2018-04-12 16:25:10,741 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 559 transitions. Word has length 77 [2018-04-12 16:25:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:25:10,741 INFO L459 AbstractCegarLoop]: Abstraction has 480 states and 559 transitions. [2018-04-12 16:25:10,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 16:25:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 559 transitions. [2018-04-12 16:25:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 16:25:10,741 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:25:10,741 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:25:10,742 INFO L408 AbstractCegarLoop]: === Iteration 46 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:25:10,742 INFO L82 PathProgramCache]: Analyzing trace with hash -876362371, now seen corresponding path program 4 times [2018-04-12 16:25:10,742 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:25:10,742 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:25:10,742 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:10,742 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:25:10,742 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:25:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:25:10,749 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:25:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:25:11,011 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:25:11,011 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:25:11,017 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 16:25:11,047 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 16:25:11,047 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:25:11,049 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:25:11,062 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 16:25:11,063 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 16:25:11,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:25:11,113 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 23 treesize of output 18 [2018-04-12 16:25:11,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:11,115 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 18 treesize of output 27 [2018-04-12 16:25:11,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,122 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-04-12 16:25:11,161 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 32 treesize of output 25 [2018-04-12 16:25:11,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:11,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:11,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:11,164 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 25 treesize of output 52 [2018-04-12 16:25:11,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:11,175 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 16:25:11,175 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:31 [2018-04-12 16:25:15,524 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-12 16:25:16,962 WARN L148 SmtUtils]: Spent 1402ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-12 16:25:18,992 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 23 [2018-04-12 16:25:20,315 WARN L148 SmtUtils]: Spent 1294ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-12 16:25:20,318 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 14 treesize of output 13 [2018-04-12 16:25:20,318 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:20,324 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 16:25:20,324 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:47 [2018-04-12 16:25:22,375 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-12 16:25:24,416 WARN L148 SmtUtils]: Spent 2014ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-12 16:25:24,419 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 46 treesize of output 36 [2018-04-12 16:25:24,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2018-04-12 16:25:24,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,430 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 16:25:24,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:14 [2018-04-12 16:25:24,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:25:24,451 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 16:25:24,451 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:25:24,454 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 16:25:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:25:24,501 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:25:24,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2018-04-12 16:25:24,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 16:25:24,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 16:25:24,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=856, Unknown=1, NotChecked=0, Total=930 [2018-04-12 16:25:24,502 INFO L87 Difference]: Start difference. First operand 480 states and 559 transitions. Second operand 31 states. [2018-04-12 16:25:32,513 WARN L151 SmtUtils]: Spent 929ms on a formula simplification. DAG size of input: 32 DAG size of output 28 [2018-04-12 16:25:42,808 WARN L151 SmtUtils]: Spent 7725ms on a formula simplification. DAG size of input: 55 DAG size of output 51 [2018-04-12 16:25:50,895 WARN L151 SmtUtils]: Spent 8044ms on a formula simplification. DAG size of input: 63 DAG size of output 57 [2018-04-12 16:25:57,247 WARN L151 SmtUtils]: Spent 6309ms on a formula simplification. DAG size of input: 66 DAG size of output 57 [2018-04-12 16:26:03,587 WARN L151 SmtUtils]: Spent 6310ms on a formula simplification. DAG size of input: 63 DAG size of output 52 [2018-04-12 16:26:09,949 WARN L151 SmtUtils]: Spent 6337ms on a formula simplification. DAG size of input: 58 DAG size of output 51 [2018-04-12 16:26:13,494 WARN L151 SmtUtils]: Spent 3502ms on a formula simplification. DAG size of input: 60 DAG size of output 53 [2018-04-12 16:26:13,701 WARN L148 SmtUtils]: Spent 156ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-12 16:26:13,879 WARN L148 SmtUtils]: Spent 104ms on a formula simplification that was a NOOP. DAG size: 40 [2018-04-12 16:26:14,227 WARN L148 SmtUtils]: Spent 302ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-12 16:26:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:14,310 INFO L93 Difference]: Finished difference Result 505 states and 582 transitions. [2018-04-12 16:26:14,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 16:26:14,311 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 78 [2018-04-12 16:26:14,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:14,312 INFO L225 Difference]: With dead ends: 505 [2018-04-12 16:26:14,312 INFO L226 Difference]: Without dead ends: 505 [2018-04-12 16:26:14,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 54.6s TimeCoverageRelationStatistics Valid=455, Invalid=3450, Unknown=1, NotChecked=0, Total=3906 [2018-04-12 16:26:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-04-12 16:26:14,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 486. [2018-04-12 16:26:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-04-12 16:26:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 566 transitions. [2018-04-12 16:26:14,317 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 566 transitions. Word has length 78 [2018-04-12 16:26:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:14,317 INFO L459 AbstractCegarLoop]: Abstraction has 486 states and 566 transitions. [2018-04-12 16:26:14,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 16:26:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 566 transitions. [2018-04-12 16:26:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 16:26:14,317 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:14,317 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:14,317 INFO L408 AbstractCegarLoop]: === Iteration 47 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:14,318 INFO L82 PathProgramCache]: Analyzing trace with hash 627636637, now seen corresponding path program 1 times [2018-04-12 16:26:14,318 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:14,318 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:14,318 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:14,318 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:26:14,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:14,327 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 16:26:14,528 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:14,529 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:14,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:14,563 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:26:15,309 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:15,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 23 [2018-04-12 16:26:15,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 16:26:15,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 16:26:15,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2018-04-12 16:26:15,310 INFO L87 Difference]: Start difference. First operand 486 states and 566 transitions. Second operand 24 states. [2018-04-12 16:26:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:17,720 INFO L93 Difference]: Finished difference Result 514 states and 590 transitions. [2018-04-12 16:26:17,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 16:26:17,721 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 80 [2018-04-12 16:26:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:17,722 INFO L225 Difference]: With dead ends: 514 [2018-04-12 16:26:17,722 INFO L226 Difference]: Without dead ends: 514 [2018-04-12 16:26:17,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=210, Invalid=1430, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 16:26:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2018-04-12 16:26:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 486. [2018-04-12 16:26:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-04-12 16:26:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 562 transitions. [2018-04-12 16:26:17,726 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 562 transitions. Word has length 80 [2018-04-12 16:26:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:17,726 INFO L459 AbstractCegarLoop]: Abstraction has 486 states and 562 transitions. [2018-04-12 16:26:17,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 16:26:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 562 transitions. [2018-04-12 16:26:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-12 16:26:17,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:17,727 INFO L355 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:17,727 INFO L408 AbstractCegarLoop]: === Iteration 48 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1397429652, now seen corresponding path program 2 times [2018-04-12 16:26:17,727 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:17,727 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:17,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:17,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:17,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:17,735 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:26:18,123 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:18,124 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:18,129 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:26:18,149 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:26:18,149 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:26:18,151 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:18,239 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 13 treesize of output 10 [2018-04-12 16:26:18,240 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 10 treesize of output 9 [2018-04-12 16:26:18,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:18,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:18,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:18,244 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-12 16:26:18,350 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 15 treesize of output 11 [2018-04-12 16:26:18,351 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 3 [2018-04-12 16:26:18,351 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:18,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:18,353 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 16:26:18,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-12 16:26:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:26:18,375 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:18,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15] total 34 [2018-04-12 16:26:18,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 16:26:18,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 16:26:18,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 16:26:18,376 INFO L87 Difference]: Start difference. First operand 486 states and 562 transitions. Second operand 35 states. [2018-04-12 16:26:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:19,689 INFO L93 Difference]: Finished difference Result 565 states and 646 transitions. [2018-04-12 16:26:19,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 16:26:19,690 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 79 [2018-04-12 16:26:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:19,691 INFO L225 Difference]: With dead ends: 565 [2018-04-12 16:26:19,691 INFO L226 Difference]: Without dead ends: 565 [2018-04-12 16:26:19,691 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=398, Invalid=3508, Unknown=0, NotChecked=0, Total=3906 [2018-04-12 16:26:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-12 16:26:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 524. [2018-04-12 16:26:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2018-04-12 16:26:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 610 transitions. [2018-04-12 16:26:19,696 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 610 transitions. Word has length 79 [2018-04-12 16:26:19,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:19,696 INFO L459 AbstractCegarLoop]: Abstraction has 524 states and 610 transitions. [2018-04-12 16:26:19,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 16:26:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 610 transitions. [2018-04-12 16:26:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 16:26:19,697 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:19,697 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:19,697 INFO L408 AbstractCegarLoop]: === Iteration 49 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, 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__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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:19,697 INFO L82 PathProgramCache]: Analyzing trace with hash -762388251, now seen corresponding path program 2 times [2018-04-12 16:26:19,697 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:19,697 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:19,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:19,698 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:26:19,698 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:19,706 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-04-12 16:26:19,878 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:19,879 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:19,884 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:26:19,935 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:26:19,935 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:26:19,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:19,987 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 16:26:19,988 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 16:26:19,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:19,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:19,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:19,992 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-12 16:26:26,071 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 16:26:26,072 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 16:26:26,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:26,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:26,074 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 16:26:26,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 16:26:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-04-12 16:26:26,094 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:26,095 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 22 [2018-04-12 16:26:26,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 16:26:26,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 16:26:26,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=448, Unknown=3, NotChecked=0, Total=506 [2018-04-12 16:26:26,095 INFO L87 Difference]: Start difference. First operand 524 states and 610 transitions. Second operand 23 states. [2018-04-12 16:26:26,735 WARN L151 SmtUtils]: Spent 396ms on a formula simplification. DAG size of input: 31 DAG size of output 24 [2018-04-12 16:26:28,807 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-12 16:26:30,841 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-12 16:26:32,882 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-12 16:26:34,952 WARN L148 SmtUtils]: Spent 2012ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-12 16:26:37,154 WARN L148 SmtUtils]: Spent 2006ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-12 16:26:39,255 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-12 16:26:41,278 WARN L148 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-12 16:26:43,297 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-12 16:26:45,358 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-12 16:26:47,434 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-12 16:26:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:47,440 INFO L93 Difference]: Finished difference Result 559 states and 643 transitions. [2018-04-12 16:26:47,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 16:26:47,441 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 85 [2018-04-12 16:26:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:47,442 INFO L225 Difference]: With dead ends: 559 [2018-04-12 16:26:47,442 INFO L226 Difference]: Without dead ends: 559 [2018-04-12 16:26:47,443 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 85 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=391, Invalid=2258, Unknown=3, NotChecked=0, Total=2652 [2018-04-12 16:26:47,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-04-12 16:26:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 528. [2018-04-12 16:26:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-04-12 16:26:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 614 transitions. [2018-04-12 16:26:47,450 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 614 transitions. Word has length 85 [2018-04-12 16:26:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:47,451 INFO L459 AbstractCegarLoop]: Abstraction has 528 states and 614 transitions. [2018-04-12 16:26:47,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 16:26:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 614 transitions. [2018-04-12 16:26:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 16:26:47,452 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:47,452 INFO L355 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:47,452 INFO L408 AbstractCegarLoop]: === Iteration 50 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:47,452 INFO L82 PathProgramCache]: Analyzing trace with hash -370646115, now seen corresponding path program 2 times [2018-04-12 16:26:47,452 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:47,452 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:47,453 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:47,453 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:26:47,453 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:47,463 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 16:26:47,933 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:47,933 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:47,939 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:26:47,962 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:26:47,962 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:26:47,964 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:48,088 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 13 treesize of output 10 [2018-04-12 16:26:48,089 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 10 treesize of output 9 [2018-04-12 16:26:48,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:48,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:48,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:48,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-12 16:26:48,193 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 15 treesize of output 11 [2018-04-12 16:26:48,194 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 3 [2018-04-12 16:26:48,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:48,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:48,195 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 16:26:48,195 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-12 16:26:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:26:48,227 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:48,227 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15] total 34 [2018-04-12 16:26:48,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 16:26:48,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 16:26:48,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 16:26:48,228 INFO L87 Difference]: Start difference. First operand 528 states and 614 transitions. Second operand 35 states. [2018-04-12 16:26:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:49,607 INFO L93 Difference]: Finished difference Result 566 states and 647 transitions. [2018-04-12 16:26:49,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 16:26:49,608 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 80 [2018-04-12 16:26:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:49,609 INFO L225 Difference]: With dead ends: 566 [2018-04-12 16:26:49,609 INFO L226 Difference]: Without dead ends: 566 [2018-04-12 16:26:49,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=316, Invalid=2876, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 16:26:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2018-04-12 16:26:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 529. [2018-04-12 16:26:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-04-12 16:26:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 614 transitions. [2018-04-12 16:26:49,613 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 614 transitions. Word has length 80 [2018-04-12 16:26:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:49,614 INFO L459 AbstractCegarLoop]: Abstraction has 529 states and 614 transitions. [2018-04-12 16:26:49,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 16:26:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 614 transitions. [2018-04-12 16:26:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 16:26:49,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:49,614 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:49,614 INFO L408 AbstractCegarLoop]: === Iteration 51 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__LDV_INIT_LIST_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:49,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1306357244, now seen corresponding path program 2 times [2018-04-12 16:26:49,615 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:49,615 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:49,615 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:49,615 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:26:49,615 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:49,630 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 16:26:50,092 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:50,116 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:50,121 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:26:50,144 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:26:50,145 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:26:50,147 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:50,149 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 16:26:50,149 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,150 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:26:50,315 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 11 treesize of output 8 [2018-04-12 16:26:50,316 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 8 treesize of output 7 [2018-04-12 16:26:50,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,324 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 16:26:50,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-12 16:26:50,350 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 16:26:50,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,350 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 16:26:50,350 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:9, output treesize:1 [2018-04-12 16:26:50,361 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 16:26:50,368 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 32 [2018-04-12 16:26:50,368 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:26:50,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:26:50,385 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 2 xjuncts. [2018-04-12 16:26:50,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:30 [2018-04-12 16:26:50,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,478 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 14 treesize of output 8 [2018-04-12 16:26:50,478 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,485 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 15 treesize of output 8 [2018-04-12 16:26:50,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 16:26:50,488 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:12 [2018-04-12 16:26:50,561 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 28 treesize of output 24 [2018-04-12 16:26:50,562 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:26:50,562 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 16 treesize of output 12 [2018-04-12 16:26:50,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,574 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 21 [2018-04-12 16:26:50,575 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 16:26:50,575 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,578 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 16:26:50,584 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:52, output treesize:30 [2018-04-12 16:26:50,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,619 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 21 treesize of output 26 [2018-04-12 16:26:50,619 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:50,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:50,633 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 2 case distinctions, treesize of input 18 treesize of output 21 [2018-04-12 16:26:50,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 16:26:50,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 16:26:50,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:46 [2018-04-12 16:26:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:26:50,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:50,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 22] total 44 [2018-04-12 16:26:50,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 16:26:50,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 16:26:50,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1847, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 16:26:50,787 INFO L87 Difference]: Start difference. First operand 529 states and 614 transitions. Second operand 45 states. [2018-04-12 16:26:52,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:52,879 INFO L93 Difference]: Finished difference Result 584 states and 663 transitions. [2018-04-12 16:26:52,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-12 16:26:52,879 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 82 [2018-04-12 16:26:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:52,880 INFO L225 Difference]: With dead ends: 584 [2018-04-12 16:26:52,880 INFO L226 Difference]: Without dead ends: 584 [2018-04-12 16:26:52,881 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1305 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=433, Invalid=5419, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 16:26:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-04-12 16:26:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 535. [2018-04-12 16:26:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-04-12 16:26:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 621 transitions. [2018-04-12 16:26:52,885 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 621 transitions. Word has length 82 [2018-04-12 16:26:52,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:52,885 INFO L459 AbstractCegarLoop]: Abstraction has 535 states and 621 transitions. [2018-04-12 16:26:52,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 16:26:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 621 transitions. [2018-04-12 16:26:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 16:26:52,886 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:52,887 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:26:52,887 INFO L408 AbstractCegarLoop]: === Iteration 52 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, 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__U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr3RequiresViolation, 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__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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1306357245, now seen corresponding path program 1 times [2018-04-12 16:26:52,887 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:52,887 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:52,888 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:52,888 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:26:52,888 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:52,894 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 16:26:53,045 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:53,045 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:53,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:53,076 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-04-12 16:26:54,079 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:54,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 28 [2018-04-12 16:26:54,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 16:26:54,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 16:26:54,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-04-12 16:26:54,080 INFO L87 Difference]: Start difference. First operand 535 states and 621 transitions. Second operand 29 states. [2018-04-12 16:26:55,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:55,877 INFO L93 Difference]: Finished difference Result 591 states and 668 transitions. [2018-04-12 16:26:55,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 16:26:55,878 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-12 16:26:55,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:55,879 INFO L225 Difference]: With dead ends: 591 [2018-04-12 16:26:55,879 INFO L226 Difference]: Without dead ends: 591 [2018-04-12 16:26:55,879 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=170, Invalid=1552, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 16:26:55,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-04-12 16:26:55,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 541. [2018-04-12 16:26:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2018-04-12 16:26:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 626 transitions. [2018-04-12 16:26:55,884 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 626 transitions. Word has length 82 [2018-04-12 16:26:55,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:55,884 INFO L459 AbstractCegarLoop]: Abstraction has 541 states and 626 transitions. [2018-04-12 16:26:55,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 16:26:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 626 transitions. [2018-04-12 16:26:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 16:26:55,885 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:55,885 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 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, 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 16:26:55,885 INFO L408 AbstractCegarLoop]: === Iteration 53 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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, 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__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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:55,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1863388156, now seen corresponding path program 1 times [2018-04-12 16:26:55,885 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:55,885 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:55,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:55,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:55,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:55,893 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:26:56,123 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:56,123 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:56,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:56,188 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:56,278 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 16:26:56,279 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 16:26:56,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:56,281 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:56,284 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 16:26:56,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:18 [2018-04-12 16:26:56,600 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 16:26:56,602 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:26:56,602 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 15 treesize of output 11 [2018-04-12 16:26:56,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:56,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:56,610 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 16:26:56,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:3 [2018-04-12 16:26:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 16:26:56,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:56,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 23 [2018-04-12 16:26:56,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 16:26:56,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 16:26:56,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-04-12 16:26:56,663 INFO L87 Difference]: Start difference. First operand 541 states and 626 transitions. Second operand 24 states. [2018-04-12 16:26:57,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:26:57,556 INFO L93 Difference]: Finished difference Result 567 states and 647 transitions. [2018-04-12 16:26:57,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 16:26:57,556 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 82 [2018-04-12 16:26:57,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:26:57,557 INFO L225 Difference]: With dead ends: 567 [2018-04-12 16:26:57,557 INFO L226 Difference]: Without dead ends: 567 [2018-04-12 16:26:57,557 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=1031, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 16:26:57,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2018-04-12 16:26:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 544. [2018-04-12 16:26:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-04-12 16:26:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 628 transitions. [2018-04-12 16:26:57,563 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 628 transitions. Word has length 82 [2018-04-12 16:26:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:26:57,563 INFO L459 AbstractCegarLoop]: Abstraction has 544 states and 628 transitions. [2018-04-12 16:26:57,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 16:26:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 628 transitions. [2018-04-12 16:26:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 16:26:57,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:26:57,564 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 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 16:26:57,564 INFO L408 AbstractCegarLoop]: === Iteration 54 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:26:57,564 INFO L82 PathProgramCache]: Analyzing trace with hash -772615766, now seen corresponding path program 2 times [2018-04-12 16:26:57,564 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:26:57,564 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:26:57,565 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:57,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:26:57,565 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:26:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:26:57,572 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:26:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:26:58,360 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:26:58,360 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:26:58,366 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:26:58,387 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:26:58,387 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:26:58,390 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:26:58,391 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 16:26:58,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,393 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:26:58,395 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:58,396 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 16:26:58,396 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,399 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 16:26:58,399 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:26:58,539 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 16:26:58,540 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 16:26:58,540 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,546 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-04-12 16:26:58,621 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 23 treesize of output 18 [2018-04-12 16:26:58,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:58,623 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 18 treesize of output 27 [2018-04-12 16:26:58,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,633 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-04-12 16:26:58,816 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 16:26:58,816 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:58,821 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 16:26:58,821 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:25 [2018-04-12 16:26:59,246 WARN L1033 $PredicateComparison]: unable to prove that (and (exists ((v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~i~2_30 Int) (v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_47 Int) (v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_47 Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~array~0.base_BEFORE_CALL_47))) (and (<= 1 v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~i~2_30) (= 0 (select .cse0 (+ (* 4 v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~i~2_30) v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_47))) (= (select .cse0 v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_point_~array~0.offset_BEFORE_CALL_47) 0)))) (exists ((v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_~i~1_23 Int)) (and (<= |c___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_#in~len| (+ v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_~i~1_23 1)) (= |c_#valid| (let ((.cse1 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_#in~array.base|))) (store (store |c_old(#valid)| (select .cse1 |c___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_#in~array.offset|) 0) (select .cse1 (+ |c___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_#in~array.offset| (* 4 v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_~i~1_23))) 0))) (< v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_~i~1_23 |c___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17_#in~len|)))) is different from true [2018-04-12 16:26:59,255 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 61 treesize of output 57 [2018-04-12 16:26:59,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:59,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:59,259 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:26:59,259 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 55 [2018-04-12 16:26:59,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:59,276 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:59,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:59,280 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:26:59,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:26:59,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-04-12 16:26:59,283 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:26:59,291 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:59,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:26:59,298 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:78, output treesize:15 [2018-04-12 16:26:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:26:59,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:26:59,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28] total 50 [2018-04-12 16:26:59,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 16:26:59,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 16:26:59,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2229, Unknown=30, NotChecked=96, Total=2550 [2018-04-12 16:26:59,590 INFO L87 Difference]: Start difference. First operand 544 states and 628 transitions. Second operand 51 states. [2018-04-12 16:27:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:03,966 INFO L93 Difference]: Finished difference Result 647 states and 755 transitions. [2018-04-12 16:27:03,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 16:27:03,967 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 81 [2018-04-12 16:27:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:03,968 INFO L225 Difference]: With dead ends: 647 [2018-04-12 16:27:03,968 INFO L226 Difference]: Without dead ends: 606 [2018-04-12 16:27:03,968 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2335 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=737, Invalid=7219, Unknown=58, NotChecked=176, Total=8190 [2018-04-12 16:27:03,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2018-04-12 16:27:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 513. [2018-04-12 16:27:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-04-12 16:27:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 594 transitions. [2018-04-12 16:27:03,976 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 594 transitions. Word has length 81 [2018-04-12 16:27:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:03,976 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 594 transitions. [2018-04-12 16:27:03,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 16:27:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 594 transitions. [2018-04-12 16:27:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 16:27:03,976 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:03,977 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:03,977 INFO L408 AbstractCegarLoop]: === Iteration 55 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:03,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1251797318, now seen corresponding path program 2 times [2018-04-12 16:27:03,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:03,977 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:03,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:03,978 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:03,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:03,989 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-04-12 16:27:04,142 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:04,143 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:04,148 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:27:04,171 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:27:04,171 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:04,173 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:04,191 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 16:27:04,191 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,192 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:27:04,215 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 16:27:04,216 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 16:27:04,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,220 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 16:27:04,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-12 16:27:04,249 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 16:27:04,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,250 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 16:27:04,250 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 16:27:04,266 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 16:27:04,267 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 16:27:04,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,267 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:04,268 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 16:27:04,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-12 16:27:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 16:27:04,301 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:04,301 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 25 [2018-04-12 16:27:04,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 16:27:04,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 16:27:04,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2018-04-12 16:27:04,302 INFO L87 Difference]: Start difference. First operand 513 states and 594 transitions. Second operand 26 states. [2018-04-12 16:27:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:05,142 INFO L93 Difference]: Finished difference Result 526 states and 607 transitions. [2018-04-12 16:27:05,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 16:27:05,142 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-04-12 16:27:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:05,143 INFO L225 Difference]: With dead ends: 526 [2018-04-12 16:27:05,143 INFO L226 Difference]: Without dead ends: 526 [2018-04-12 16:27:05,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 79 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=355, Invalid=2837, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 16:27:05,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-12 16:27:05,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 515. [2018-04-12 16:27:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-04-12 16:27:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 596 transitions. [2018-04-12 16:27:05,148 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 596 transitions. Word has length 82 [2018-04-12 16:27:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:05,148 INFO L459 AbstractCegarLoop]: Abstraction has 515 states and 596 transitions. [2018-04-12 16:27:05,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 16:27:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 596 transitions. [2018-04-12 16:27:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-12 16:27:05,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:05,149 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:05,149 INFO L408 AbstractCegarLoop]: === Iteration 56 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:05,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1842368973, now seen corresponding path program 1 times [2018-04-12 16:27:05,154 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:05,154 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:05,155 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:05,155 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:05,155 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:05,163 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:27:06,010 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:06,010 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:06,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:06,040 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:06,185 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 13 treesize of output 10 [2018-04-12 16:27:06,186 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 10 treesize of output 9 [2018-04-12 16:27:06,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:06,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:06,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:06,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-12 16:27:06,323 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 16:27:06,324 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 16:27:06,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:06,324 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:06,325 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 16:27:06,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 16:27:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-12 16:27:06,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:06,347 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13] total 42 [2018-04-12 16:27:06,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 16:27:06,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 16:27:06,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1703, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 16:27:06,347 INFO L87 Difference]: Start difference. First operand 515 states and 596 transitions. Second operand 43 states. [2018-04-12 16:27:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:09,873 INFO L93 Difference]: Finished difference Result 635 states and 720 transitions. [2018-04-12 16:27:09,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 16:27:09,873 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 83 [2018-04-12 16:27:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:09,874 INFO L225 Difference]: With dead ends: 635 [2018-04-12 16:27:09,874 INFO L226 Difference]: Without dead ends: 635 [2018-04-12 16:27:09,874 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1980 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=637, Invalid=8293, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 16:27:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2018-04-12 16:27:09,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 578. [2018-04-12 16:27:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-04-12 16:27:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 672 transitions. [2018-04-12 16:27:09,881 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 672 transitions. Word has length 83 [2018-04-12 16:27:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:09,881 INFO L459 AbstractCegarLoop]: Abstraction has 578 states and 672 transitions. [2018-04-12 16:27:09,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 16:27:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 672 transitions. [2018-04-12 16:27:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 16:27:09,882 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:09,882 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:09,882 INFO L408 AbstractCegarLoop]: === Iteration 57 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:09,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1278863452, now seen corresponding path program 1 times [2018-04-12 16:27:09,883 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:09,883 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:09,883 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:09,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:09,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:09,898 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 16:27:11,309 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:11,335 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:11,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:11,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:11,425 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 16:27:11,425 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,426 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 16:27:11,544 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 16:27:11,545 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 16:27:11,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,551 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 16:27:11,551 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-12 16:27:11,620 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 16:27:11,620 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,621 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 16:27:11,621 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:13, output treesize:3 [2018-04-12 16:27:11,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:11,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:11,714 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 16:27:11,714 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,720 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:32 [2018-04-12 16:27:11,809 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 31 treesize of output 24 [2018-04-12 16:27:11,811 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:11,811 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 33 [2018-04-12 16:27:11,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:11,819 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 16:27:11,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-12 16:27:12,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:12,042 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:27:12,042 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:12,042 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 35 treesize of output 70 [2018-04-12 16:27:12,043 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:12,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:12,050 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:28 [2018-04-12 16:27:12,143 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 30 treesize of output 24 [2018-04-12 16:27:12,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:12,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:12,146 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 24 treesize of output 21 [2018-04-12 16:27:12,147 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 16:27:12,150 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 16:27:12,152 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 16:27:12,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:11 [2018-04-12 16:27:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 16:27:12,222 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:12,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 21] total 54 [2018-04-12 16:27:12,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-12 16:27:12,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-12 16:27:12,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2836, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 16:27:12,223 INFO L87 Difference]: Start difference. First operand 578 states and 672 transitions. Second operand 55 states. [2018-04-12 16:27:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:15,687 INFO L93 Difference]: Finished difference Result 593 states and 685 transitions. [2018-04-12 16:27:15,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 16:27:15,687 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 84 [2018-04-12 16:27:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:15,688 INFO L225 Difference]: With dead ends: 593 [2018-04-12 16:27:15,689 INFO L226 Difference]: Without dead ends: 593 [2018-04-12 16:27:15,689 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1529 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=428, Invalid=7944, Unknown=0, NotChecked=0, Total=8372 [2018-04-12 16:27:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-04-12 16:27:15,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 579. [2018-04-12 16:27:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-04-12 16:27:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 672 transitions. [2018-04-12 16:27:15,693 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 672 transitions. Word has length 84 [2018-04-12 16:27:15,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:15,693 INFO L459 AbstractCegarLoop]: Abstraction has 579 states and 672 transitions. [2018-04-12 16:27:15,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-12 16:27:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 672 transitions. [2018-04-12 16:27:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 16:27:15,694 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:15,694 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:15,694 INFO L408 AbstractCegarLoop]: === Iteration 58 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:15,694 INFO L82 PathProgramCache]: Analyzing trace with hash 989035389, now seen corresponding path program 2 times [2018-04-12 16:27:15,694 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:15,694 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:15,695 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:15,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:15,695 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:15,700 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-12 16:27:15,803 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:15,803 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:15,811 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:27:15,857 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:27:15,857 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:15,859 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-04-12 16:27:15,943 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:15,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2018-04-12 16:27:15,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 16:27:15,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 16:27:15,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-12 16:27:15,944 INFO L87 Difference]: Start difference. First operand 579 states and 672 transitions. Second operand 17 states. [2018-04-12 16:27:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:16,060 INFO L93 Difference]: Finished difference Result 630 states and 716 transitions. [2018-04-12 16:27:16,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 16:27:16,060 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 85 [2018-04-12 16:27:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:16,062 INFO L225 Difference]: With dead ends: 630 [2018-04-12 16:27:16,062 INFO L226 Difference]: Without dead ends: 610 [2018-04-12 16:27:16,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-04-12 16:27:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2018-04-12 16:27:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 584. [2018-04-12 16:27:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-04-12 16:27:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 668 transitions. [2018-04-12 16:27:16,072 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 668 transitions. Word has length 85 [2018-04-12 16:27:16,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:16,072 INFO L459 AbstractCegarLoop]: Abstraction has 584 states and 668 transitions. [2018-04-12 16:27:16,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 16:27:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 668 transitions. [2018-04-12 16:27:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 16:27:16,073 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:16,073 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:16,073 INFO L408 AbstractCegarLoop]: === Iteration 59 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:16,073 INFO L82 PathProgramCache]: Analyzing trace with hash -906650976, now seen corresponding path program 2 times [2018-04-12 16:27:16,074 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:16,074 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:16,074 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:16,074 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:16,074 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:16,086 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-04-12 16:27:16,307 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:16,334 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:16,340 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:27:16,362 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:27:16,362 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:16,364 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:16,402 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:16,403 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:16,403 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 16:27:16,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:16,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:16,405 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 16:27:16,434 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 16:27:16,435 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 16:27:16,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:16,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:16,439 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 16:27:16,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-12 16:27:18,478 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17_~array.offset_BEFORE_CALL_31 Int) (v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17_~array.base_BEFORE_CALL_34 Int)) (not (= v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17_~array.base_BEFORE_CALL_34 (select (select |c_#memory_$Pointer$.base| v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17_~array.base_BEFORE_CALL_34) (+ v___U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17_~array.offset_BEFORE_CALL_31 4))))) is different from true [2018-04-12 16:27:18,520 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 16:27:18,521 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 16:27:18,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:18,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:18,524 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 16:27:18,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2018-04-12 16:27:18,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:18,536 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 16:27:18,536 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:18,539 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 16:27:18,540 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 16:27:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 4 not checked. [2018-04-12 16:27:18,579 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:18,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15] total 30 [2018-04-12 16:27:18,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 16:27:18,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 16:27:18,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=802, Unknown=1, NotChecked=56, Total=930 [2018-04-12 16:27:18,580 INFO L87 Difference]: Start difference. First operand 584 states and 668 transitions. Second operand 31 states. [2018-04-12 16:27:29,155 WARN L148 SmtUtils]: Spent 2004ms on a formula simplification that was a NOOP. DAG size: 17 [2018-04-12 16:27:33,202 WARN L148 SmtUtils]: Spent 2005ms on a formula simplification that was a NOOP. DAG size: 19 [2018-04-12 16:27:33,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:33,963 INFO L93 Difference]: Finished difference Result 649 states and 742 transitions. [2018-04-12 16:27:33,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-12 16:27:33,963 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 85 [2018-04-12 16:27:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:33,964 INFO L225 Difference]: With dead ends: 649 [2018-04-12 16:27:33,964 INFO L226 Difference]: Without dead ends: 649 [2018-04-12 16:27:33,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=485, Invalid=4205, Unknown=6, NotChecked=134, Total=4830 [2018-04-12 16:27:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-04-12 16:27:33,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 598. [2018-04-12 16:27:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-04-12 16:27:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 682 transitions. [2018-04-12 16:27:33,969 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 682 transitions. Word has length 85 [2018-04-12 16:27:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:33,969 INFO L459 AbstractCegarLoop]: Abstraction has 598 states and 682 transitions. [2018-04-12 16:27:33,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 16:27:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 682 transitions. [2018-04-12 16:27:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 16:27:33,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:33,970 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:33,970 INFO L408 AbstractCegarLoop]: === Iteration 60 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash -2092348727, now seen corresponding path program 3 times [2018-04-12 16:27:33,970 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:33,970 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:33,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:33,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:33,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:33,976 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-04-12 16:27:34,168 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:34,168 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:34,174 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 16:27:34,222 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 16:27:34,222 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:34,224 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:34,309 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 16:27:34,310 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 16:27:34,310 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-12 16:27:34,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-04-12 16:27:34,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:34,382 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 18 treesize of output 27 [2018-04-12 16:27:34,382 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,392 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 16:27:34,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:17 [2018-04-12 16:27:34,442 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 23 treesize of output 18 [2018-04-12 16:27:34,443 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:34,444 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 18 treesize of output 27 [2018-04-12 16:27:34,445 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,452 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 16:27:34,452 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:7 [2018-04-12 16:27:34,526 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 15 treesize of output 11 [2018-04-12 16:27:34,527 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 3 [2018-04-12 16:27:34,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:34,529 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 16:27:34,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-12 16:27:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-12 16:27:34,566 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:34,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 28 [2018-04-12 16:27:34,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 16:27:34,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 16:27:34,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2018-04-12 16:27:34,567 INFO L87 Difference]: Start difference. First operand 598 states and 682 transitions. Second operand 28 states. [2018-04-12 16:27:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:35,346 INFO L93 Difference]: Finished difference Result 543 states and 611 transitions. [2018-04-12 16:27:35,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 16:27:35,347 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 88 [2018-04-12 16:27:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:35,348 INFO L225 Difference]: With dead ends: 543 [2018-04-12 16:27:35,348 INFO L226 Difference]: Without dead ends: 532 [2018-04-12 16:27:35,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 71 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=205, Invalid=1775, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 16:27:35,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-04-12 16:27:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 448. [2018-04-12 16:27:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-04-12 16:27:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 498 transitions. [2018-04-12 16:27:35,352 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 498 transitions. Word has length 88 [2018-04-12 16:27:35,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:35,352 INFO L459 AbstractCegarLoop]: Abstraction has 448 states and 498 transitions. [2018-04-12 16:27:35,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 16:27:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 498 transitions. [2018-04-12 16:27:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-12 16:27:35,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:35,352 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:35,352 INFO L408 AbstractCegarLoop]: === Iteration 61 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, 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ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:35,353 INFO L82 PathProgramCache]: Analyzing trace with hash 474543045, now seen corresponding path program 2 times [2018-04-12 16:27:35,353 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:35,353 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:35,353 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:35,353 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:35,353 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:35,358 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-04-12 16:27:35,424 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:35,424 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:35,430 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 16:27:35,462 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 16:27:35,463 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:35,464 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-12 16:27:35,555 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:35,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 15 [2018-04-12 16:27:35,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 16:27:35,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 16:27:35,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-12 16:27:35,555 INFO L87 Difference]: Start difference. First operand 448 states and 498 transitions. Second operand 15 states. [2018-04-12 16:27:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:35,741 INFO L93 Difference]: Finished difference Result 419 states and 465 transitions. [2018-04-12 16:27:35,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 16:27:35,742 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 87 [2018-04-12 16:27:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:35,743 INFO L225 Difference]: With dead ends: 419 [2018-04-12 16:27:35,743 INFO L226 Difference]: Without dead ends: 419 [2018-04-12 16:27:35,743 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2018-04-12 16:27:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-04-12 16:27:35,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 413. [2018-04-12 16:27:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-12 16:27:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 459 transitions. [2018-04-12 16:27:35,748 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 459 transitions. Word has length 87 [2018-04-12 16:27:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:35,748 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 459 transitions. [2018-04-12 16:27:35,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 16:27:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 459 transitions. [2018-04-12 16:27:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 16:27:35,749 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:35,749 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 16:27:35,749 INFO L408 AbstractCegarLoop]: === Iteration 62 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:35,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1231683697, now seen corresponding path program 5 times [2018-04-12 16:27:35,750 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:35,750 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:35,750 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:35,750 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:35,750 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:35,758 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:27:35,948 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:35,948 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:35,956 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 16:27:35,997 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2018-04-12 16:27:35,998 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 16:27:36,000 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:27:36,124 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:36,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 28 [2018-04-12 16:27:36,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 16:27:36,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 16:27:36,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-04-12 16:27:36,125 INFO L87 Difference]: Start difference. First operand 413 states and 459 transitions. Second operand 28 states. [2018-04-12 16:27:36,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:36,341 INFO L93 Difference]: Finished difference Result 568 states and 633 transitions. [2018-04-12 16:27:36,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 16:27:36,343 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 86 [2018-04-12 16:27:36,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:36,344 INFO L225 Difference]: With dead ends: 568 [2018-04-12 16:27:36,344 INFO L226 Difference]: Without dead ends: 568 [2018-04-12 16:27:36,344 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=1078, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 16:27:36,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-04-12 16:27:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 536. [2018-04-12 16:27:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-04-12 16:27:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 609 transitions. [2018-04-12 16:27:36,350 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 609 transitions. Word has length 86 [2018-04-12 16:27:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:36,350 INFO L459 AbstractCegarLoop]: Abstraction has 536 states and 609 transitions. [2018-04-12 16:27:36,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 16:27:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 609 transitions. [2018-04-12 16:27:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 16:27:36,351 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:36,351 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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, 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 16:27:36,351 INFO L408 AbstractCegarLoop]: === Iteration 63 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash 149202320, now seen corresponding path program 1 times [2018-04-12 16:27:36,351 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:36,351 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:36,351 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:36,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 16:27:36,351 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:36,359 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 16:27:36,647 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:36,647 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:36,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:36,685 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:36,837 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 16:27:36,839 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 16:27:36,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,840 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,843 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 16:27:36,844 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:18 [2018-04-12 16:27:36,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15 [2018-04-12 16:27:36,967 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 16:27:36,968 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 15 treesize of output 11 [2018-04-12 16:27:36,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,974 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 16:27:36,974 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:13 [2018-04-12 16:27:36,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:36,994 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 16:27:36,995 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 16:27:36,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:11 [2018-04-12 16:27:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-12 16:27:37,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:37,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 36 [2018-04-12 16:27:37,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 16:27:37,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 16:27:37,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1215, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 16:27:37,041 INFO L87 Difference]: Start difference. First operand 536 states and 609 transitions. Second operand 37 states. [2018-04-12 16:27:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 16:27:39,144 INFO L93 Difference]: Finished difference Result 570 states and 633 transitions. [2018-04-12 16:27:39,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 16:27:39,144 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 88 [2018-04-12 16:27:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 16:27:39,145 INFO L225 Difference]: With dead ends: 570 [2018-04-12 16:27:39,145 INFO L226 Difference]: Without dead ends: 570 [2018-04-12 16:27:39,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=495, Invalid=4617, Unknown=0, NotChecked=0, Total=5112 [2018-04-12 16:27:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-04-12 16:27:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 537. [2018-04-12 16:27:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-04-12 16:27:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 607 transitions. [2018-04-12 16:27:39,150 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 607 transitions. Word has length 88 [2018-04-12 16:27:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 16:27:39,150 INFO L459 AbstractCegarLoop]: Abstraction has 537 states and 607 transitions. [2018-04-12 16:27:39,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 16:27:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 607 transitions. [2018-04-12 16:27:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 16:27:39,151 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 16:27:39,151 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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, 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 16:27:39,151 INFO L408 AbstractCegarLoop]: === Iteration 64 === [__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_returnErr2RequiresViolation, __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_atomic_sub_returnErr3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kobject_createErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_kref_initErr0RequiresViolation, __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_msgsErr4RequiresViolation, __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_destroy_msgsErr0RequiresViolation, __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_freeErr2AssertViolationMEMORY_FREE, __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_msg_freeErr4AssertViolationMEMORY_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_freeErr1RequiresViolation, __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, mainErr0EnsuresViolationMEMORY_LEAK, __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_dev_get_drvdataErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_allocErr0RequiresViolation, __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_addErr1RequiresViolation, __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_addErr2RequiresViolation, __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_addErr6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i____ldv_list_addErr7RequiresViolation, __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_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_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_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_atomic_add_returnErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_atomic_add_returnErr3RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__free_17Err3AssertViolationMEMORY_FREE, __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, __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_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_HEADErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err7RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err3RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err5AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err6RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__alloc_17Err4AssertViolationMEMORY_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_cleanupErr2AssertViolationMEMORY_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_cleanupErr5AssertViolationMEMORY_FREE, __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_cleanupErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr1RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr2AssertViolationMEMORY_FREE, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr0RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__entry_pointErr3AssertViolationMEMORY_FREE, __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_fillErr3RequiresViolation, __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_msg_fillErr2RequiresViolation, __U_MULTI_fmemleaks_test_____true_valid_memsafety_true_termination_i__ldv_msg_fillErr1RequiresViolation]=== [2018-04-12 16:27:39,151 INFO L82 PathProgramCache]: Analyzing trace with hash 149202321, now seen corresponding path program 1 times [2018-04-12 16:27:39,151 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 16:27:39,151 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 16:27:39,152 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:39,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:39,152 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 16:27:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:39,157 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 16:27:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 16:27:39,341 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 16:27:39,341 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 16:27:39,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 16:27:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 16:27:39,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 16:27:39,374 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 23 treesize of output 22 [2018-04-12 16:27:39,374 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:39,375 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 20 treesize of output 19 [2018-04-12 16:27:39,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:39,386 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 22 treesize of output 21 [2018-04-12 16:27:39,386 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:39,401 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 19 treesize of output 18 [2018-04-12 16:27:39,401 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:39,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 16:27:39,411 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:44, output treesize:40 [2018-04-12 16:27:40,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,443 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 52 treesize of output 55 [2018-04-12 16:27:40,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:40,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,483 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 51 treesize of output 45 [2018-04-12 16:27:40,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:40,506 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,507 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 54 treesize of output 67 [2018-04-12 16:27:40,507 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:40,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 16:27:40,538 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 53 treesize of output 47 [2018-04-12 16:27:40,539 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 16:27:40,559 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 16:27:40,559 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 12 variables, input treesize:107, output treesize:89 [2018-04-12 16:27:40,805 WARN L148 SmtUtils]: Spent 112ms on a formula simplification that was a NOOP. DAG size: 58 [2018-04-12 16:27:41,085 WARN L148 SmtUtils]: Spent 204ms on a formula simplification that was a NOOP. DAG size: 58 [2018-04-12 16:27:41,282 WARN L148 SmtUtils]: Spent 115ms on a formula simplification that was a NOOP. DAG size: 60 [2018-04-12 16:27:41,455 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 60 [2018-04-12 16:27:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 16:27:41,506 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 16:27:41,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 32 [2018-04-12 16:27:41,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 16:27:41,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 16:27:41,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=966, Unknown=4, NotChecked=0, Total=1056 [2018-04-12 16:27:41,507 INFO L87 Difference]: Start difference. First operand 537 states and 607 transitions. Second operand 33 states. [2018-04-12 16:27:45,835 WARN L151 SmtUtils]: Spent 4148ms on a formula simplification. DAG size of input: 55 DAG size of output 54 [2018-04-12 16:27:52,094 WARN L151 SmtUtils]: Spent 6217ms on a formula simplification. DAG size of input: 72 DAG size of output 68 [2018-04-12 16:27:54,243 WARN L151 SmtUtils]: Spent 2105ms on a formula simplification. DAG size of input: 53 DAG size of output 52 [2018-04-12 16:27:54,492 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 53 DAG size of output 52 [2018-04-12 16:27:54,685 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 59 DAG size of output 54 [2018-04-12 16:27:56,982 WARN L151 SmtUtils]: Spent 2089ms on a formula simplification. DAG size of input: 60 DAG size of output 54 [2018-04-12 16:28:01,229 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 69 DAG size of output 46 [2018-04-12 16:28:14,098 WARN L151 SmtUtils]: Spent 350ms on a formula simplification. DAG size of input: 62 DAG size of output 59 [2018-04-12 16:28:14,762 WARN L151 SmtUtils]: Spent 597ms on a formula simplification. DAG size of input: 67 DAG size of output 64 [2018-04-12 16:28:16,293 WARN L151 SmtUtils]: Spent 1470ms on a formula simplification. DAG size of input: 97 DAG size of output 78 [2018-04-12 16:28:17,365 WARN L151 SmtUtils]: Spent 861ms on a formula simplification. DAG size of input: 94 DAG size of output 75 [2018-04-12 16:28:20,213 WARN L151 SmtUtils]: Spent 2704ms on a formula simplification. DAG size of input: 97 DAG size of output 67 [2018-04-12 16:28:21,074 WARN L151 SmtUtils]: Spent 620ms on a formula simplification. DAG size of input: 64 DAG size of output 61 Received shutdown request... [2018-04-12 16:28:27,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 16:28:27,396 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 16:28:27,400 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 16:28:27,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 04:28:27 BoogieIcfgContainer [2018-04-12 16:28:27,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 16:28:27,401 INFO L168 Benchmark]: Toolchain (without parser) took 838240.81 ms. Allocated memory was 400.0 MB in the beginning and 579.3 MB in the end (delta: 179.3 MB). Free memory was 330.7 MB in the beginning and 373.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 136.8 MB. Max. memory is 5.3 GB. [2018-04-12 16:28:27,401 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 400.0 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 16:28:27,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.82 ms. Allocated memory is still 400.0 MB. Free memory was 330.7 MB in the beginning and 285.7 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 5.3 GB. [2018-04-12 16:28:27,402 INFO L168 Benchmark]: Boogie Preprocessor took 49.67 ms. Allocated memory is still 400.0 MB. Free memory was 285.7 MB in the beginning and 280.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. [2018-04-12 16:28:27,402 INFO L168 Benchmark]: RCFGBuilder took 788.91 ms. Allocated memory was 400.0 MB in the beginning and 609.2 MB in the end (delta: 209.2 MB). Free memory was 280.4 MB in the beginning and 468.5 MB in the end (delta: -188.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 5.3 GB. [2018-04-12 16:28:27,402 INFO L168 Benchmark]: TraceAbstraction took 837067.68 ms. Allocated memory was 609.2 MB in the beginning and 579.3 MB in the end (delta: -29.9 MB). Free memory was 468.5 MB in the beginning and 373.2 MB in the end (delta: 95.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 5.3 GB. [2018-04-12 16:28:27,403 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 400.0 MB. Free memory is still 360.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 331.82 ms. Allocated memory is still 400.0 MB. Free memory was 330.7 MB in the beginning and 285.7 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.67 ms. Allocated memory is still 400.0 MB. Free memory was 285.7 MB in the beginning and 280.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 788.91 ms. Allocated memory was 400.0 MB in the beginning and 609.2 MB in the end (delta: 209.2 MB). Free memory was 280.4 MB in the beginning and 468.5 MB in the end (delta: -188.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 837067.68 ms. Allocated memory was 609.2 MB in the beginning and 579.3 MB in the end (delta: -29.9 MB). Free memory was 468.5 MB in the beginning and 373.2 MB in the end (delta: 95.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1265]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1265). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1267]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1267). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1265]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1265). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1267]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1267). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1411]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1411). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1411]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1411). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1294]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1294). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1294]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1294). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1179]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1179). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1131]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1131). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1131]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1131). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1131]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1131). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1131]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1131). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1163]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1163). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1163]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1163). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1164]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1164). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1164]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1164). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1163]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1163). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1163]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1163). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1126]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1126). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1126]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1126). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1480]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1480). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1193]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1193). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1193]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1193). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1146]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1146). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1146]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1146). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1108]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1108). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1107]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1107). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1109]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1109). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1108]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1108). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1109]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1109). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1107]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1107). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1110]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1110). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1110]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1110). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1198]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1198). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1198]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1198). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1116]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1116). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1115). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1115). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1116]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1116). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1258]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1258). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1256]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1256). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1256]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1256). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1258]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1258). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1135]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1135). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1135]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1135). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1135]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1135). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1135]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1135). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1461]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1461). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1461]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1461). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1461]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1461). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1461]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1461). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1121]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1121). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1121]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1121). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1099]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1099). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1100]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1100). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1099]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1099). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1100]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1100). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1447]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1447). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1453]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1453). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1452]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1452). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1452]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1452). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1452]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1452). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1447]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1447). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1453]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1453). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1452]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1452). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1344]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1344). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1340]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1340). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1339]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1339). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1344]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1344). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1340]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1340). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1339]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1339). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1472]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1472). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1476]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1476). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1472]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1472). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1476]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1476). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1156]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1156). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1156]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1156). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1157]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1157). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1157]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1157). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1156]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1156). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - TimeoutResultAtElement [Line: 1156]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1156). Cancelled while BasicCegarLoop was constructing difference of abstraction (537states) and interpolant automaton (currently 19 states, 33 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 48 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 386 locations, 87 error locations. TIMEOUT Result, 837.0s OverallTime, 64 OverallIterations, 5 TraceHistogramMax, 724.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5400 SDtfs, 13309 SDslu, 55484 SDs, 0 SdLazy, 65772 SolverSat, 3516 SolverUnsat, 190 SolverUnknown, 0 SolverNotchecked, 311.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5830 GetRequests, 3274 SyntacticMatches, 104 SemanticMatches, 2451 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 30258 ImplicationChecksByTransitivity, 510.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 63 MinimizatonAttempts, 2516 StatesRemovedByMinimization, 62 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 107.6s InterpolantComputationTime, 7703 NumberOfCodeBlocks, 7689 NumberOfCodeBlocksAsserted, 140 NumberOfCheckSat, 7587 ConstructedInterpolants, 565 QuantifiedInterpolants, 4656524 SizeOfPredicates, 416 NumberOfNonLiveVariables, 13667 ConjunctsInSsa, 1464 ConjunctsInUnsatCore, 116 InterpolantComputations, 14 PerfectInterpolantSequences, 1450/2864 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_16-28-27-408.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_16-28-27-408.csv Completed graceful shutdown