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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 16:07:47,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 16:07:47,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 16:07:47,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 16:07:47,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 16:07:47,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 16:07:47,482 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 16:07:47,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 16:07:47,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 16:07:47,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 16:07:47,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 16:07:47,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 16:07:47,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 16:07:47,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 16:07:47,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 16:07:47,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 16:07:47,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 16:07:47,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 16:07:47,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 16:07:47,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 16:07:47,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 16:07:47,502 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-10 16:07:47,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 16:07:47,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 16:07:47,519 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 16:07:47,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 16:07:47,520 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 16:07:47,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 16:07:47,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 16:07:47,521 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 16:07:47,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 16:07:47,522 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-04-10 16:07:47,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 16:07:47,553 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 16:07:47,556 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 16:07:47,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 16:07:47,557 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 16:07:47,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,830 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGccabb8f86 [2018-04-10 16:07:47,977 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 16:07:47,977 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 16:07:47,978 INFO L168 CDTParser]: Scanning split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,985 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 16:07:47,985 INFO L215 ultiparseSymbolTable]: [2018-04-10 16:07:47,986 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody ('containsBody') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead ('containsHead') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append ('append') in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,986 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ushort in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ino_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____syscall_slong_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____pid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__suseconds_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____sigset_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_cond_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ino64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____loff_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__quad_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,987 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____off_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_barrier_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_quad_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_long in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__clock_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fd_mask in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_int in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__dev_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_rwlockattr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__id_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__uint in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_char in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____clockid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int16_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,988 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__blkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__sigset_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_spinlock_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_long in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int16_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_quad_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_key_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____dev_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__register_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,989 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsblkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ulong in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_barrierattr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____useconds_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____caddr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fd_set in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ldiv_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____rlim64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____key_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__daddr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint8_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,990 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__loff_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int8_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____qaddr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blksize_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____clock_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____daddr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint16_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_condattr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,991 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__size_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__key_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_mutexattr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsfilcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____time_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int8_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__mode_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ssize_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____socklen_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ino_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,992 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int32_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_short in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____rlim_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsfilcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsfilcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_mutex_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__gid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blkcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__uid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_short in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__off_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__time_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_rwlock_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,993 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____mode_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__caddr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__blksize_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____intptr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__div_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint32_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_once_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsword_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ssize_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____off64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____sig_atomic_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_char in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsblkcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int32_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__nlink_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__timer_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__lldiv_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int16_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_attr_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,994 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint64_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__wchar_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int8_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____nlink_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____pthread_slist_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____suseconds_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__clockid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____quad_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fd_mask in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____id_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____syscall_ulong_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int32_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsblkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____gid_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:47,995 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____timer_t in split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:48,009 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGccabb8f86 [2018-04-10 16:07:48,012 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 16:07:48,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 16:07:48,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 16:07:48,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 16:07:48,017 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 16:07:48,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bd9d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48, skipping insertion in model container [2018-04-10 16:07:48,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,030 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 16:07:48,050 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 16:07:48,191 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 16:07:48,238 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 16:07:48,244 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 121 non ball SCCs. Number of states in SCCs 121. [2018-04-10 16:07:48,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48 WrapperNode [2018-04-10 16:07:48,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 16:07:48,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 16:07:48,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 16:07:48,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 16:07:48,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (1/1) ... [2018-04-10 16:07:48,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 16:07:48,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 16:07:48,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 16:07:48,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 16:07:48,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (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 [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody [2018-04-10 16:07:48,423 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append [2018-04-10 16:07:48,424 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 16:07:48,424 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 [2018-04-10 16:07:48,425 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 16:07:48,426 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 16:07:48,427 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 16:07:48,428 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 16:07:48,429 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 16:07:48,430 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 16:07:48,431 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 16:07:48,432 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 16:07:48,433 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 16:07:48,434 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 16:07:48,435 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 16:07:48,436 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 16:07:49,034 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 16:07:49,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 04:07:49 BoogieIcfgContainer [2018-04-10 16:07:49,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 16:07:49,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 16:07:49,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 16:07:49,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 16:07:49,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 04:07:48" (1/3) ... [2018-04-10 16:07:49,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232dff6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 04:07:49, skipping insertion in model container [2018-04-10 16:07:49,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 04:07:48" (2/3) ... [2018-04-10 16:07:49,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232dff6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 04:07:49, skipping insertion in model container [2018-04-10 16:07:49,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 04:07:49" (3/3) ... [2018-04-10 16:07:49,040 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-04-10 16:07:49,048 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 16:07:49,055 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-04-10 16:07:49,087 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 16:07:49,087 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 16:07:49,087 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 16:07:49,087 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 16:07:49,087 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 16:07:49,088 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 16:07:49,088 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 16:07:49,088 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 16:07:49,088 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 16:07:49,088 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 16:07:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2018-04-10 16:07:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 16:07:49,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:49,113 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:49,113 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:49,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216059, now seen corresponding path program 1 times [2018-04-10 16:07:49,119 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:49,119 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:49,160 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:49,161 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:49,198 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:49,244 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:49,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 16:07:49,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 16:07:49,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 16:07:49,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 16:07:49,260 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 4 states. [2018-04-10 16:07:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:49,644 INFO L93 Difference]: Finished difference Result 412 states and 457 transitions. [2018-04-10 16:07:49,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 16:07:49,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 16:07:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:49,653 INFO L225 Difference]: With dead ends: 412 [2018-04-10 16:07:49,653 INFO L226 Difference]: Without dead ends: 409 [2018-04-10 16:07:49,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 16:07:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-10 16:07:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 358. [2018-04-10 16:07:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-04-10 16:07:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 402 transitions. [2018-04-10 16:07:49,697 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 402 transitions. Word has length 8 [2018-04-10 16:07:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:49,697 INFO L459 AbstractCegarLoop]: Abstraction has 358 states and 402 transitions. [2018-04-10 16:07:49,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 16:07:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 402 transitions. [2018-04-10 16:07:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 16:07:49,698 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:49,698 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:49,698 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:49,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216058, now seen corresponding path program 1 times [2018-04-10 16:07:49,698 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:49,698 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:49,699 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:49,699 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:49,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:49,742 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:49,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 16:07:49,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 16:07:49,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 16:07:49,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 16:07:49,744 INFO L87 Difference]: Start difference. First operand 358 states and 402 transitions. Second operand 4 states. [2018-04-10 16:07:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:49,930 INFO L93 Difference]: Finished difference Result 360 states and 406 transitions. [2018-04-10 16:07:49,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 16:07:49,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 16:07:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:49,932 INFO L225 Difference]: With dead ends: 360 [2018-04-10 16:07:49,932 INFO L226 Difference]: Without dead ends: 360 [2018-04-10 16:07:49,932 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 16:07:49,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-04-10 16:07:49,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 356. [2018-04-10 16:07:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-04-10 16:07:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 400 transitions. [2018-04-10 16:07:49,947 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 400 transitions. Word has length 8 [2018-04-10 16:07:49,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:49,947 INFO L459 AbstractCegarLoop]: Abstraction has 356 states and 400 transitions. [2018-04-10 16:07:49,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 16:07:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 400 transitions. [2018-04-10 16:07:49,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 16:07:49,948 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:49,948 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:49,948 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:49,948 INFO L82 PathProgramCache]: Analyzing trace with hash 828189428, now seen corresponding path program 1 times [2018-04-10 16:07:49,948 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:49,948 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:49,949 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:49,949 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:49,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:49,986 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:49,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 16:07:49,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 16:07:49,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 16:07:49,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 16:07:49,987 INFO L87 Difference]: Start difference. First operand 356 states and 400 transitions. Second operand 4 states. [2018-04-10 16:07:50,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:50,211 INFO L93 Difference]: Finished difference Result 351 states and 395 transitions. [2018-04-10 16:07:50,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 16:07:50,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-10 16:07:50,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:50,213 INFO L225 Difference]: With dead ends: 351 [2018-04-10 16:07:50,213 INFO L226 Difference]: Without dead ends: 351 [2018-04-10 16:07:50,213 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 16:07:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-04-10 16:07:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2018-04-10 16:07:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-04-10 16:07:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 395 transitions. [2018-04-10 16:07:50,219 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 395 transitions. Word has length 18 [2018-04-10 16:07:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:50,220 INFO L459 AbstractCegarLoop]: Abstraction has 351 states and 395 transitions. [2018-04-10 16:07:50,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 16:07:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 395 transitions. [2018-04-10 16:07:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 16:07:50,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:50,220 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:50,220 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:50,220 INFO L82 PathProgramCache]: Analyzing trace with hash 828189429, now seen corresponding path program 1 times [2018-04-10 16:07:50,220 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:50,220 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:50,221 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:50,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:50,221 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:50,232 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:50,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:50,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 16:07:50,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 16:07:50,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 16:07:50,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 16:07:50,266 INFO L87 Difference]: Start difference. First operand 351 states and 395 transitions. Second operand 4 states. [2018-04-10 16:07:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:50,421 INFO L93 Difference]: Finished difference Result 346 states and 390 transitions. [2018-04-10 16:07:50,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 16:07:50,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-10 16:07:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:50,423 INFO L225 Difference]: With dead ends: 346 [2018-04-10 16:07:50,423 INFO L226 Difference]: Without dead ends: 346 [2018-04-10 16:07:50,424 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 16:07:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-10 16:07:50,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2018-04-10 16:07:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-04-10 16:07:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 390 transitions. [2018-04-10 16:07:50,432 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 390 transitions. Word has length 18 [2018-04-10 16:07:50,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:50,432 INFO L459 AbstractCegarLoop]: Abstraction has 346 states and 390 transitions. [2018-04-10 16:07:50,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 16:07:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 390 transitions. [2018-04-10 16:07:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 16:07:50,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:50,433 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:50,433 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash -95931072, now seen corresponding path program 1 times [2018-04-10 16:07:50,434 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:50,434 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:50,434 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:50,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:50,435 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:50,449 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:50,453 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:07:50,454 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:07:50,454 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:07:50,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:50,488 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:07:50,510 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 [2018-04-10 16:07:50,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:50,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:50,513 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 16:07:50,529 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 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-10 16:07:50,530 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:50,532 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. [2018-04-10 16:07:50,533 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-10 16:07:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:50,539 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:50,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 16:07:50,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 16:07:50,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 16:07:50,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 16:07:50,540 INFO L87 Difference]: Start difference. First operand 346 states and 390 transitions. Second operand 6 states. [2018-04-10 16:07:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:50,982 INFO L93 Difference]: Finished difference Result 389 states and 434 transitions. [2018-04-10 16:07:50,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 16:07:50,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-10 16:07:50,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:50,984 INFO L225 Difference]: With dead ends: 389 [2018-04-10 16:07:50,985 INFO L226 Difference]: Without dead ends: 389 [2018-04-10 16:07:50,985 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-10 16:07:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-10 16:07:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 338. [2018-04-10 16:07:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-04-10 16:07:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2018-04-10 16:07:50,993 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 19 [2018-04-10 16:07:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:50,994 INFO L459 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2018-04-10 16:07:50,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 16:07:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2018-04-10 16:07:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 16:07:50,994 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:50,994 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:07:50,995 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:50,995 INFO L82 PathProgramCache]: Analyzing trace with hash -95931071, now seen corresponding path program 1 times [2018-04-10 16:07:50,995 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:50,995 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:50,996 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:50,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:50,996 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:51,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:51,011 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:07:51,011 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:07:51,011 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:07:51,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:51,038 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:07:51,042 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 [2018-04-10 16:07:51,042 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:51,048 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 [2018-04-10 16:07:51,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:51,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:51,053 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-10 16:07:51,115 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:51,116 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:51,117 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 [2018-04-10 16:07:51,117 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:51,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:51,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:51,129 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 [2018-04-10 16:07:51,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:51,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:51,135 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-10 16:07:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:51,148 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:51,148 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 16:07:51,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 16:07:51,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 16:07:51,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-10 16:07:51,149 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 8 states. [2018-04-10 16:07:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:51,939 INFO L93 Difference]: Finished difference Result 380 states and 425 transitions. [2018-04-10 16:07:51,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 16:07:51,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-10 16:07:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:51,942 INFO L225 Difference]: With dead ends: 380 [2018-04-10 16:07:51,942 INFO L226 Difference]: Without dead ends: 380 [2018-04-10 16:07:51,942 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-10 16:07:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-04-10 16:07:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 330. [2018-04-10 16:07:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-04-10 16:07:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 373 transitions. [2018-04-10 16:07:51,949 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 373 transitions. Word has length 19 [2018-04-10 16:07:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:51,949 INFO L459 AbstractCegarLoop]: Abstraction has 330 states and 373 transitions. [2018-04-10 16:07:51,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 16:07:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 373 transitions. [2018-04-10 16:07:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 16:07:51,950 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:51,950 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] [2018-04-10 16:07:51,950 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1258598449, now seen corresponding path program 1 times [2018-04-10 16:07:51,950 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:51,950 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:51,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:51,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:51,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:51,962 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:51,964 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:07:51,965 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:07:51,965 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:07:51,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:51,997 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:07:52,009 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 [2018-04-10 16:07:52,011 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 8 treesize of output 7 [2018-04-10 16:07:52,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,020 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 [2018-04-10 16:07:52,021 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 [2018-04-10 16:07:52,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,022 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,026 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2018-04-10 16:07:52,041 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 21 treesize of output 16 [2018-04-10 16:07:52,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,044 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 16 treesize of output 23 [2018-04-10 16:07:52,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,059 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 21 treesize of output 16 [2018-04-10 16:07:52,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,064 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 16 treesize of output 23 [2018-04-10 16:07:52,065 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,067 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,073 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-10 16:07:52,116 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 18 [2018-04-10 16:07:52,118 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,119 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:52,120 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 18 treesize of output 19 [2018-04-10 16:07:52,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,131 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 18 [2018-04-10 16:07:52,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:52,134 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:52,134 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 18 treesize of output 19 [2018-04-10 16:07:52,134 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,137 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:52,142 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:59, output treesize:7 [2018-04-10 16:07:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:52,156 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:52,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-10 16:07:52,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 16:07:52,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 16:07:52,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-10 16:07:52,157 INFO L87 Difference]: Start difference. First operand 330 states and 373 transitions. Second operand 10 states. [2018-04-10 16:07:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:52,563 INFO L93 Difference]: Finished difference Result 347 states and 393 transitions. [2018-04-10 16:07:52,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 16:07:52,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-10 16:07:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:52,564 INFO L225 Difference]: With dead ends: 347 [2018-04-10 16:07:52,564 INFO L226 Difference]: Without dead ends: 347 [2018-04-10 16:07:52,565 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-04-10 16:07:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-04-10 16:07:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 341. [2018-04-10 16:07:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-04-10 16:07:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 386 transitions. [2018-04-10 16:07:52,573 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 386 transitions. Word has length 28 [2018-04-10 16:07:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:52,573 INFO L459 AbstractCegarLoop]: Abstraction has 341 states and 386 transitions. [2018-04-10 16:07:52,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 16:07:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 386 transitions. [2018-04-10 16:07:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-10 16:07:52,574 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:52,574 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, 1, 1] [2018-04-10 16:07:52,574 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:52,576 INFO L82 PathProgramCache]: Analyzing trace with hash -266020206, now seen corresponding path program 1 times [2018-04-10 16:07:52,576 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:52,576 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:52,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:52,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:52,577 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:52,588 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:52,713 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 16:07:52,713 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 16:07:52,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 16:07:52,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 16:07:52,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-10 16:07:52,714 INFO L87 Difference]: Start difference. First operand 341 states and 386 transitions. Second operand 9 states. [2018-04-10 16:07:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:52,935 INFO L93 Difference]: Finished difference Result 345 states and 390 transitions. [2018-04-10 16:07:52,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 16:07:52,935 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-10 16:07:52,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:52,937 INFO L225 Difference]: With dead ends: 345 [2018-04-10 16:07:52,937 INFO L226 Difference]: Without dead ends: 345 [2018-04-10 16:07:52,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-04-10 16:07:52,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-10 16:07:52,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2018-04-10 16:07:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-04-10 16:07:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 388 transitions. [2018-04-10 16:07:52,941 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 388 transitions. Word has length 30 [2018-04-10 16:07:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:52,942 INFO L459 AbstractCegarLoop]: Abstraction has 343 states and 388 transitions. [2018-04-10 16:07:52,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 16:07:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 388 transitions. [2018-04-10 16:07:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 16:07:52,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:52,943 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] [2018-04-10 16:07:52,943 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash 610464061, now seen corresponding path program 1 times [2018-04-10 16:07:52,944 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:52,944 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:52,944 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:52,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:52,944 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:52,962 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:52,968 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:07:52,968 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:07:52,968 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:07:52,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:53,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:07:53,043 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 [2018-04-10 16:07:53,043 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,045 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 16:07:53,106 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 [2018-04-10 16:07:53,108 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 [2018-04-10 16:07:53,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,113 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. [2018-04-10 16:07:53,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:27 [2018-04-10 16:07:53,141 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-10 16:07:53,144 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 24 treesize of output 23 [2018-04-10 16:07:53,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,166 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 21 treesize of output 30 [2018-04-10 16:07:53,167 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 16:07:53,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:07:53,191 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. [2018-04-10 16:07:53,191 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:40, output treesize:69 [2018-04-10 16:07:53,253 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 42 treesize of output 37 [2018-04-10 16:07:53,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,276 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 [2018-04-10 16:07:53,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,313 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 67 [2018-04-10 16:07:53,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,322 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 63 treesize of output 78 [2018-04-10 16:07:53,322 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 61 [2018-04-10 16:07:53,377 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 16:07:53,398 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:07:53,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-10 16:07:53,423 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:113, output treesize:139 [2018-04-10 16:07:53,430 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse2 (= 0 (select |c_old(#valid)| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|))) (.cse3 (= (store |c_old(#valid)| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base| 1) |c_#valid|))) (or (exists ((__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset Int) (__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|) (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset 4)))) (let ((.cse1 (select |c_#memory_$Pointer$.base| .cse0))) (and (<= __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset|) (= |c_#valid| (store |c_old(#valid)| .cse0 1)) (= (select .cse1 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset 5)) 0) (<= 0 __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset) (= 0 (select |c_old(#valid)| .cse0)) (= (select .cse1 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset 1)) 0))))) (and .cse2 .cse3 (exists ((v_prenex_2 Int)) (let ((.cse4 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|))) (and (<= v_prenex_2 (+ |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset| 3)) (<= 3 v_prenex_2) (= (select .cse4 (+ v_prenex_2 1)) 0) (= (select .cse4 (+ v_prenex_2 5)) 0))))) (and .cse2 .cse3 (exists ((v_prenex_3 Int)) (let ((.cse5 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|)) (.cse6 (+ v_prenex_3 1))) (and (= (select .cse5 .cse6) 0) (<= .cse6 |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset|) (= 0 (select .cse5 (+ v_prenex_3 5))) (<= 0 .cse6))))))) is different from true [2018-04-10 16:07:53,441 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-10 16:07:53,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,462 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,463 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 29 treesize of output 33 [2018-04-10 16:07:53,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:53,479 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:163, output treesize:66 [2018-04-10 16:07:53,552 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,552 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,553 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-04-10 16:07:53,555 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,571 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. [2018-04-10 16:07:53,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:85 [2018-04-10 16:07:53,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-10 16:07:53,643 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 [2018-04-10 16:07:53,643 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:53,663 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-04-10 16:07:53,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-10 16:07:53,698 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 [2018-04-10 16:07:53,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:53,721 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-04-10 16:07:53,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-04-10 16:07:53,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:53,772 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 15 treesize of output 8 [2018-04-10 16:07:53,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,779 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:53,780 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 33 treesize of output 21 [2018-04-10 16:07:53,780 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,784 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 7 treesize of output 1 [2018-04-10 16:07:53,785 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:53,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:53,794 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-04-10 16:07:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:53,821 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:07:53,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 16:07:53,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 16:07:53,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 16:07:53,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=268, Unknown=1, NotChecked=32, Total=342 [2018-04-10 16:07:53,822 INFO L87 Difference]: Start difference. First operand 343 states and 388 transitions. Second operand 19 states. [2018-04-10 16:07:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:07:56,770 INFO L93 Difference]: Finished difference Result 511 states and 615 transitions. [2018-04-10 16:07:56,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 16:07:56,771 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2018-04-10 16:07:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:07:56,774 INFO L225 Difference]: With dead ends: 511 [2018-04-10 16:07:56,775 INFO L226 Difference]: Without dead ends: 511 [2018-04-10 16:07:56,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=152, Invalid=843, Unknown=1, NotChecked=60, Total=1056 [2018-04-10 16:07:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-04-10 16:07:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 391. [2018-04-10 16:07:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-10 16:07:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 489 transitions. [2018-04-10 16:07:56,787 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 489 transitions. Word has length 47 [2018-04-10 16:07:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:07:56,787 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 489 transitions. [2018-04-10 16:07:56,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 16:07:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 489 transitions. [2018-04-10 16:07:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 16:07:56,788 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:07:56,789 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] [2018-04-10 16:07:56,789 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:07:56,789 INFO L82 PathProgramCache]: Analyzing trace with hash 610464062, now seen corresponding path program 1 times [2018-04-10 16:07:56,789 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:07:56,789 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:07:56,790 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:56,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:56,790 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:07:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:56,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:07:56,824 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:07:56,825 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:07:56,825 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:07:56,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:07:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:07:56,887 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:07:56,892 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 [2018-04-10 16:07:56,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:56,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:56,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 16:07:56,921 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 [2018-04-10 16:07:56,921 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:56,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:56,928 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2018-04-10 16:07:57,010 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 [2018-04-10 16:07:57,012 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 [2018-04-10 16:07:57,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,029 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 [2018-04-10 16:07:57,031 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 [2018-04-10 16:07:57,032 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,034 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:57,046 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:43 [2018-04-10 16:07:57,085 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-10 16:07:57,087 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 24 treesize of output 23 [2018-04-10 16:07:57,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,125 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 53 [2018-04-10 16:07:57,127 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 36 treesize of output 35 [2018-04-10 16:07:57,128 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,144 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:57,156 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:67 [2018-04-10 16:07:57,211 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 86 [2018-04-10 16:07:57,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 95 [2018-04-10 16:07:57,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:57,284 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 69 treesize of output 64 [2018-04-10 16:07:57,284 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 16:07:57,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:07:57,377 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:57,378 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 57 treesize of output 55 [2018-04-10 16:07:57,380 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:57,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 26 treesize of output 22 [2018-04-10 16:07:57,381 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,391 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,403 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 104 [2018-04-10 16:07:57,406 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 87 treesize of output 94 [2018-04-10 16:07:57,407 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,446 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 16:07:57,468 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:115, output treesize:143 [2018-04-10 16:07:57,510 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-10 16:07:57,510 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:57,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:57,527 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 17 treesize of output 10 [2018-04-10 16:07:57,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:57,540 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:159, output treesize:97 [2018-04-10 16:07:57,607 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 17 [2018-04-10 16:07:57,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:57,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:57,625 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 [2018-04-10 16:07:57,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:07:57,640 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:101 [2018-04-10 16:07:57,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 79 [2018-04-10 16:07:57,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 68 [2018-04-10 16:07:57,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-10 16:07:57,824 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 46 treesize of output 45 [2018-04-10 16:07:57,825 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:07:57,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 87 [2018-04-10 16:07:57,899 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:57,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 34 [2018-04-10 16:07:57,901 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,913 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:57,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 122 [2018-04-10 16:07:57,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 121 [2018-04-10 16:07:57,933 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 95 [2018-04-10 16:07:58,003 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-10 16:07:58,045 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:07:58,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 87 [2018-04-10 16:07:58,053 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:58,054 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:58,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 34 [2018-04-10 16:07:58,055 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,065 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-10 16:07:58,116 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:133, output treesize:259 [2018-04-10 16:07:58,210 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:58,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 114 [2018-04-10 16:07:58,235 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 0 case distinctions, treesize of input 20 treesize of output 13 [2018-04-10 16:07:58,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 114 [2018-04-10 16:07:58,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 16:07:58,392 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,514 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:58,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 86 [2018-04-10 16:07:58,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 31 treesize of output 33 [2018-04-10 16:07:58,518 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,529 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 99 [2018-04-10 16:07:58,609 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 31 treesize of output 46 [2018-04-10 16:07:58,610 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,623 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 147 [2018-04-10 16:07:58,709 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:58,711 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 147 treesize of output 156 [2018-04-10 16:07:58,711 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,776 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 154 [2018-04-10 16:07:58,844 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 145 treesize of output 144 [2018-04-10 16:07:58,844 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,928 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:58,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-10 16:07:58,974 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:405, output treesize:331 [2018-04-10 16:07:59,061 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 84 [2018-04-10 16:07:59,064 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 1 [2018-04-10 16:07:59,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,075 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,075 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 36 treesize of output 24 [2018-04-10 16:07:59,076 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,135 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 0 case distinctions, treesize of input 48 treesize of output 42 [2018-04-10 16:07:59,136 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,137 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 [2018-04-10 16:07:59,137 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,142 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,188 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 0 case distinctions, treesize of input 129 treesize of output 109 [2018-04-10 16:07:59,190 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,190 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 [2018-04-10 16:07:59,191 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,202 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,248 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 67 [2018-04-10 16:07:59,250 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,251 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 34 treesize of output 22 [2018-04-10 16:07:59,251 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,262 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 16 treesize of output 1 [2018-04-10 16:07:59,262 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,267 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 158 [2018-04-10 16:07:59,317 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 144 treesize of output 137 [2018-04-10 16:07:59,317 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,370 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,370 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 123 treesize of output 119 [2018-04-10 16:07:59,371 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,416 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,417 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 130 treesize of output 126 [2018-04-10 16:07:59,417 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,467 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 123 treesize of output 106 [2018-04-10 16:07:59,467 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,494 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 93 [2018-04-10 16:07:59,544 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,544 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 76 treesize of output 65 [2018-04-10 16:07:59,545 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,579 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:59,580 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 65 treesize of output 47 [2018-04-10 16:07:59,580 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:07:59,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 86 [2018-04-10 16:07:59,614 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-04-10 16:07:59,648 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,649 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 62 treesize of output 47 [2018-04-10 16:07:59,649 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,650 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:07:59,650 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 57 treesize of output 38 [2018-04-10 16:07:59,651 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-10 16:07:59,680 INFO L267 ElimStorePlain]: Start of recursive call 17: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:07:59,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 6 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-10 16:07:59,743 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 17 variables, input treesize:385, output treesize:59 [2018-04-10 16:07:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 16:07:59,794 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:07:59,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 16:07:59,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 16:07:59,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 16:07:59,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2018-04-10 16:07:59,795 INFO L87 Difference]: Start difference. First operand 391 states and 489 transitions. Second operand 21 states. [2018-04-10 16:08:01,067 WARN L151 SmtUtils]: Spent 191ms on a formula simplification. DAG size of input: 154 DAG size of output 101 [2018-04-10 16:08:01,418 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 159 DAG size of output 118 [2018-04-10 16:08:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:08:04,719 INFO L93 Difference]: Finished difference Result 510 states and 614 transitions. [2018-04-10 16:08:04,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 16:08:04,719 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 47 [2018-04-10 16:08:04,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:08:04,721 INFO L225 Difference]: With dead ends: 510 [2018-04-10 16:08:04,721 INFO L226 Difference]: Without dead ends: 510 [2018-04-10 16:08:04,721 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=166, Invalid=1094, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 16:08:04,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2018-04-10 16:08:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 391. [2018-04-10 16:08:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-10 16:08:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 488 transitions. [2018-04-10 16:08:04,731 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 488 transitions. Word has length 47 [2018-04-10 16:08:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:08:04,731 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 488 transitions. [2018-04-10 16:08:04,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 16:08:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 488 transitions. [2018-04-10 16:08:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 16:08:04,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:08:04,733 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 16:08:04,733 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:08:04,733 INFO L82 PathProgramCache]: Analyzing trace with hash 685523494, now seen corresponding path program 1 times [2018-04-10 16:08:04,733 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:08:04,733 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:08:04,734 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:04,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:04,734 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:04,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:08:04,763 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:08:04,764 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:08:04,764 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:08:04,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:04,823 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:08:04,837 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 [2018-04-10 16:08:04,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:04,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:04,841 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-10 16:08:04,866 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 [2018-04-10 16:08:04,867 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 [2018-04-10 16:08:04,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:04,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:04,874 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. [2018-04-10 16:08:04,874 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:23 [2018-04-10 16:08:04,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:04,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:04,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:04,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 28 treesize of output 42 [2018-04-10 16:08:04,951 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:04,964 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. [2018-04-10 16:08:04,965 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:45 [2018-04-10 16:08:05,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-04-10 16:08:05,032 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 16 treesize of output 15 [2018-04-10 16:08:05,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,037 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,045 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. [2018-04-10 16:08:05,045 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:60 [2018-04-10 16:08:05,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-04-10 16:08:05,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:05,073 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 24 treesize of output 33 [2018-04-10 16:08:05,073 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 16:08:05,089 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:73, output treesize:69 [2018-04-10 16:08:05,113 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 0 case distinctions, treesize of input 55 treesize of output 47 [2018-04-10 16:08:05,117 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:05,117 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 36 treesize of output 32 [2018-04-10 16:08:05,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:05,126 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 32 treesize of output 18 [2018-04-10 16:08:05,126 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:05,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:08:05,139 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:78, output treesize:24 [2018-04-10 16:08:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-10 16:08:05,165 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:08:05,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 16:08:05,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 16:08:05,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 16:08:05,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-10 16:08:05,167 INFO L87 Difference]: Start difference. First operand 391 states and 488 transitions. Second operand 18 states. [2018-04-10 16:08:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:08:09,237 INFO L93 Difference]: Finished difference Result 467 states and 570 transitions. [2018-04-10 16:08:09,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 16:08:09,237 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 66 [2018-04-10 16:08:09,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:08:09,239 INFO L225 Difference]: With dead ends: 467 [2018-04-10 16:08:09,239 INFO L226 Difference]: Without dead ends: 467 [2018-04-10 16:08:09,239 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 16:08:09,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-04-10 16:08:09,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 394. [2018-04-10 16:08:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-04-10 16:08:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 490 transitions. [2018-04-10 16:08:09,249 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 490 transitions. Word has length 66 [2018-04-10 16:08:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:08:09,249 INFO L459 AbstractCegarLoop]: Abstraction has 394 states and 490 transitions. [2018-04-10 16:08:09,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 16:08:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 490 transitions. [2018-04-10 16:08:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 16:08:09,250 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:08:09,251 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 16:08:09,251 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:08:09,251 INFO L82 PathProgramCache]: Analyzing trace with hash 685523495, now seen corresponding path program 1 times [2018-04-10 16:08:09,251 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:08:09,251 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:08:09,252 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:09,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:09,252 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:09,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:08:09,289 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:08:09,289 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:08:09,289 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:08:09,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:09,404 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:08:09,418 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 [2018-04-10 16:08:09,418 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,419 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:5, output treesize:1 [2018-04-10 16:08:09,428 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 [2018-04-10 16:08:09,428 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,432 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-10 16:08:09,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-10 16:08:09,469 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 [2018-04-10 16:08:09,469 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,480 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 [2018-04-10 16:08:09,482 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 [2018-04-10 16:08:09,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,484 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,490 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:35 [2018-04-10 16:08:09,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:09,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:09,528 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 11 treesize of output 12 [2018-04-10 16:08:09,528 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,535 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 17 [2018-04-10 16:08:09,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,541 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:39 [2018-04-10 16:08:09,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-10 16:08:09,590 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 [2018-04-10 16:08:09,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-10 16:08:09,608 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 16 treesize of output 15 [2018-04-10 16:08:09,608 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,612 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,621 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:54 [2018-04-10 16:08:09,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-10 16:08:09,646 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 [2018-04-10 16:08:09,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-04-10 16:08:09,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:09,668 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:09,668 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 24 treesize of output 42 [2018-04-10 16:08:09,668 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,675 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:08:09,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:80, output treesize:72 [2018-04-10 16:08:09,734 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 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-10 16:08:09,736 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 7 treesize of output 1 [2018-04-10 16:08:09,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,743 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 [2018-04-10 16:08:09,743 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,760 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 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-10 16:08:09,763 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 33 treesize of output 22 [2018-04-10 16:08:09,763 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:09,773 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:09,773 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 29 treesize of output 18 [2018-04-10 16:08:09,774 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,778 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:09,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:08:09,785 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:90, output treesize:17 [2018-04-10 16:08:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-10 16:08:09,821 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:08:09,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 16:08:09,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 16:08:09,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 16:08:09,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-10 16:08:09,822 INFO L87 Difference]: Start difference. First operand 394 states and 490 transitions. Second operand 16 states. [2018-04-10 16:08:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:08:11,690 INFO L93 Difference]: Finished difference Result 519 states and 658 transitions. [2018-04-10 16:08:11,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 16:08:11,691 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 66 [2018-04-10 16:08:11,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:08:11,692 INFO L225 Difference]: With dead ends: 519 [2018-04-10 16:08:11,692 INFO L226 Difference]: Without dead ends: 519 [2018-04-10 16:08:11,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2018-04-10 16:08:11,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-04-10 16:08:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 397. [2018-04-10 16:08:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-04-10 16:08:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 478 transitions. [2018-04-10 16:08:11,703 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 478 transitions. Word has length 66 [2018-04-10 16:08:11,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:08:11,703 INFO L459 AbstractCegarLoop]: Abstraction has 397 states and 478 transitions. [2018-04-10 16:08:11,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 16:08:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 478 transitions. [2018-04-10 16:08:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-04-10 16:08:11,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:08:11,707 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:08:11,707 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:08:11,708 INFO L82 PathProgramCache]: Analyzing trace with hash -2009869914, now seen corresponding path program 1 times [2018-04-10 16:08:11,708 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:08:11,708 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:08:11,708 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:11,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:11,709 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:11,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:08:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 7 proven. 91 refuted. 0 times theorem prover too weak. 1372 trivial. 0 not checked. [2018-04-10 16:08:11,795 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:08:11,796 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:08:11,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:11,815 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:08:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-04-10 16:08:11,838 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:08:11,838 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2018-04-10 16:08:11,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-10 16:08:11,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-10 16:08:11,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 16:08:11,839 INFO L87 Difference]: Start difference. First operand 397 states and 478 transitions. Second operand 3 states. [2018-04-10 16:08:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:08:11,844 INFO L93 Difference]: Finished difference Result 399 states and 480 transitions. [2018-04-10 16:08:11,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-10 16:08:11,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2018-04-10 16:08:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:08:11,845 INFO L225 Difference]: With dead ends: 399 [2018-04-10 16:08:11,846 INFO L226 Difference]: Without dead ends: 399 [2018-04-10 16:08:11,846 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 16:08:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-10 16:08:11,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-04-10 16:08:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-04-10 16:08:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 480 transitions. [2018-04-10 16:08:11,852 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 480 transitions. Word has length 255 [2018-04-10 16:08:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:08:11,852 INFO L459 AbstractCegarLoop]: Abstraction has 399 states and 480 transitions. [2018-04-10 16:08:11,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-10 16:08:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 480 transitions. [2018-04-10 16:08:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-04-10 16:08:11,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:08:11,855 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:08:11,855 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:08:11,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1204168800, now seen corresponding path program 1 times [2018-04-10 16:08:11,855 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:08:11,855 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:08:11,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:11,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:11,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:08:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:11,892 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:08:11,902 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:08:11,902 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:08:11,902 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:08:11,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:08:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:08:12,390 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:08:12,428 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 [2018-04-10 16:08:12,429 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 [2018-04-10 16:08:12,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,457 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-04-10 16:08:12,475 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 21 treesize of output 16 [2018-04-10 16:08:12,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,478 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 16 treesize of output 23 [2018-04-10 16:08:12,479 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-10 16:08:12,521 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-04-10 16:08:12,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-10 16:08:12,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 49 [2018-04-10 16:08:12,564 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-10 16:08:12,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:08:12,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:08:12,620 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:43, output treesize:120 [2018-04-10 16:08:12,743 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 66 [2018-04-10 16:08:12,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,751 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 64 treesize of output 79 [2018-04-10 16:08:12,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 63 [2018-04-10 16:08:12,814 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 16:08:12,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:08:12,904 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 40 treesize of output 33 [2018-04-10 16:08:12,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,908 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 23 treesize of output 46 [2018-04-10 16:08:12,909 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,915 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,959 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 38 treesize of output 31 [2018-04-10 16:08:12,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:12,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-04-10 16:08:12,966 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:12,972 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:13,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 16:08:13,000 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:144, output treesize:157 [2018-04-10 16:08:22,149 WARN L151 SmtUtils]: Spent 579ms on a formula simplification. DAG size of input: 110 DAG size of output 84 [2018-04-10 16:08:22,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,157 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 113 [2018-04-10 16:08:22,157 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,343 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 83 treesize of output 84 [2018-04-10 16:08:22,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-10 16:08:22,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,472 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,478 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,482 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 82 [2018-04-10 16:08:22,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,539 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 90 [2018-04-10 16:08:22,540 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,570 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,571 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,573 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,573 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 84 [2018-04-10 16:08:22,574 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,591 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2018-04-10 16:08:22,607 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:08:22,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,609 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 [2018-04-10 16:08:22,609 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,612 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,618 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,628 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 124 [2018-04-10 16:08:22,702 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,706 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,712 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 120 [2018-04-10 16:08:22,819 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 77 DAG size of output 62 [2018-04-10 16:08:22,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,822 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,822 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 85 treesize of output 100 [2018-04-10 16:08:22,822 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,863 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:22,977 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,979 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 115 [2018-04-10 16:08:22,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,988 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:22,991 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:08:22,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 120 [2018-04-10 16:08:22,999 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-10 16:08:23,051 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:08:23,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 69 [2018-04-10 16:08:23,181 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:08:23,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,183 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 [2018-04-10 16:08:23,183 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,186 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,198 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 64 [2018-04-10 16:08:23,204 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:08:23,205 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,206 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 [2018-04-10 16:08:23,206 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,210 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,222 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 116 [2018-04-10 16:08:23,326 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:08:23,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,329 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 [2018-04-10 16:08:23,329 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,333 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,353 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,437 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 78 [2018-04-10 16:08:23,445 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:08:23,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:08:23,447 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 [2018-04-10 16:08:23,447 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,450 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,464 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:08:23,504 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:08:23,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-10 16:08:23,549 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 11 variables, input treesize:244, output treesize:231 [2018-04-10 16:08:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 1148 proven. 46 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-04-10 16:08:23,913 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:08:23,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 16:08:23,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 16:08:23,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 16:08:23,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=707, Unknown=10, NotChecked=0, Total=812 [2018-04-10 16:08:23,914 INFO L87 Difference]: Start difference. First operand 399 states and 480 transitions. Second operand 29 states. [2018-04-10 16:08:57,098 WARN L151 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 82 DAG size of output 77 [2018-04-10 16:09:59,285 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 82 DAG size of output 57 [2018-04-10 16:10:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:10:03,450 INFO L93 Difference]: Finished difference Result 698 states and 877 transitions. [2018-04-10 16:10:03,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 16:10:03,451 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 283 [2018-04-10 16:10:03,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:10:03,453 INFO L225 Difference]: With dead ends: 698 [2018-04-10 16:10:03,453 INFO L226 Difference]: Without dead ends: 698 [2018-04-10 16:10:03,454 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=444, Invalid=2830, Unknown=32, NotChecked=0, Total=3306 [2018-04-10 16:10:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2018-04-10 16:10:03,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 466. [2018-04-10 16:10:03,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2018-04-10 16:10:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 623 transitions. [2018-04-10 16:10:03,465 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 623 transitions. Word has length 283 [2018-04-10 16:10:03,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:10:03,465 INFO L459 AbstractCegarLoop]: Abstraction has 466 states and 623 transitions. [2018-04-10 16:10:03,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 16:10:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 623 transitions. [2018-04-10 16:10:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-04-10 16:10:03,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:10:03,469 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:10:03,469 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:10:03,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1143390828, now seen corresponding path program 1 times [2018-04-10 16:10:03,470 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:10:03,470 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:10:03,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:03,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:10:03,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:10:03,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:10:03,558 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:10:03,558 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:10:03,558 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:10:03,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:10:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:10:04,304 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:10:04,307 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 [2018-04-10 16:10:04,307 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,309 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 16:10:04,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,319 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 [2018-04-10 16:10:04,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,326 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. [2018-04-10 16:10:04,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:14 [2018-04-10 16:10:04,369 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| Int)) (and (<= (select |c_old(#valid)| |__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base|) 0) (not (= |__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| 0)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| 1)))) is different from true [2018-04-10 16:10:04,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 45 [2018-04-10 16:10:04,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,388 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. [2018-04-10 16:10:04,388 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:23 [2018-04-10 16:10:04,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,414 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,417 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 62 [2018-04-10 16:10:04,419 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,431 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. [2018-04-10 16:10:04,431 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:36 [2018-04-10 16:10:04,455 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:04,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 83 [2018-04-10 16:10:04,462 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:04,478 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. [2018-04-10 16:10:04,478 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:51, output treesize:53 [2018-04-10 16:10:05,756 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| Int)) (and (not (= |__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| 0)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#t~malloc54.base| 1)))) is different from true [2018-04-10 16:10:05,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,765 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,768 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,780 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 81 [2018-04-10 16:10:05,781 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:05,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:05,809 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:63, output treesize:58 [2018-04-10 16:10:05,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,843 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 81 [2018-04-10 16:10:05,844 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:05,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:05,870 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:63, output treesize:58 [2018-04-10 16:10:05,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,897 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:05,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 81 [2018-04-10 16:10:05,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:05,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:05,922 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:63, output treesize:58 [2018-04-10 16:10:05,995 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 [2018-04-10 16:10:05,997 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 8 treesize of output 7 [2018-04-10 16:10:05,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:05,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2018-04-10 16:10:06,066 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 21 treesize of output 16 [2018-04-10 16:10:06,069 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,070 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 23 [2018-04-10 16:10:06,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,090 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-04-10 16:10:06,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-04-10 16:10:06,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-10 16:10:06,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,162 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 4 case distinctions, treesize of input 26 treesize of output 53 [2018-04-10 16:10:06,162 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-10 16:10:06,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:10:06,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:10:06,221 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:50, output treesize:141 [2018-04-10 16:10:06,331 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 45 treesize of output 38 [2018-04-10 16:10:06,333 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,335 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 0 case distinctions, treesize of input 23 treesize of output 60 [2018-04-10 16:10:06,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 81 [2018-04-10 16:10:06,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,398 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 81 treesize of output 94 [2018-04-10 16:10:06,398 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 101 [2018-04-10 16:10:06,439 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:06,471 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:06,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2018-04-10 16:10:06,520 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 31 treesize of output 27 [2018-04-10 16:10:06,520 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,528 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 16:10:06,564 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:183, output treesize:221 [2018-04-10 16:10:06,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:06,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 98 [2018-04-10 16:10:06,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:06,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:06,724 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 17 variables, input treesize:402, output treesize:67 [2018-04-10 16:10:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 758 proven. 28 refuted. 0 times theorem prover too weak. 366 trivial. 248 not checked. [2018-04-10 16:10:06,985 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:10:06,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 16:10:06,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 16:10:06,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 16:10:06,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=487, Unknown=2, NotChecked=90, Total=650 [2018-04-10 16:10:06,986 INFO L87 Difference]: Start difference. First operand 466 states and 623 transitions. Second operand 26 states. [2018-04-10 16:10:07,815 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 69 DAG size of output 61 [2018-04-10 16:10:07,971 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 90 DAG size of output 72 [2018-04-10 16:10:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:10:12,186 INFO L93 Difference]: Finished difference Result 777 states and 910 transitions. [2018-04-10 16:10:12,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 16:10:12,186 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 293 [2018-04-10 16:10:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:10:12,188 INFO L225 Difference]: With dead ends: 777 [2018-04-10 16:10:12,188 INFO L226 Difference]: Without dead ends: 764 [2018-04-10 16:10:12,189 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 264 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=375, Invalid=2493, Unknown=2, NotChecked=210, Total=3080 [2018-04-10 16:10:12,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2018-04-10 16:10:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 415. [2018-04-10 16:10:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-04-10 16:10:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 511 transitions. [2018-04-10 16:10:12,199 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 511 transitions. Word has length 293 [2018-04-10 16:10:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:10:12,200 INFO L459 AbstractCegarLoop]: Abstraction has 415 states and 511 transitions. [2018-04-10 16:10:12,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 16:10:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 511 transitions. [2018-04-10 16:10:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-04-10 16:10:12,203 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:10:12,203 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:10:12,203 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:10:12,204 INFO L82 PathProgramCache]: Analyzing trace with hash -880198444, now seen corresponding path program 2 times [2018-04-10 16:10:12,204 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:10:12,204 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:10:12,204 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:12,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:10:12,204 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:10:12,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:10:12,283 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:10:12,283 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:10:12,283 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:10:12,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 16:10:12,881 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 16:10:12,881 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 16:10:12,898 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:10:12,915 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 [2018-04-10 16:10:12,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:12,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:12,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:5, output treesize:1 [2018-04-10 16:10:12,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-10 16:10:12,988 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 8 treesize of output 7 [2018-04-10 16:10:12,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:12,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:12,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:12,996 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-10 16:10:13,013 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 21 treesize of output 16 [2018-04-10 16:10:13,015 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,015 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 16 treesize of output 23 [2018-04-10 16:10:13,015 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,025 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. [2018-04-10 16:10:13,025 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-04-10 16:10:13,053 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-04-10 16:10:13,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-10 16:10:13,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 49 [2018-04-10 16:10:13,089 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-10 16:10:13,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:10:13,137 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 3 xjuncts. [2018-04-10 16:10:13,137 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:128 [2018-04-10 16:10:13,191 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 51 treesize of output 44 [2018-04-10 16:10:13,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,195 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 [2018-04-10 16:10:13,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,248 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 53 treesize of output 46 [2018-04-10 16:10:13,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 25 treesize of output 27 [2018-04-10 16:10:13,251 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,257 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,301 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 74 [2018-04-10 16:10:13,306 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,306 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 72 [2018-04-10 16:10:13,325 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:13,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,372 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 64 treesize of output 77 [2018-04-10 16:10:13,372 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,401 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:13,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-04-10 16:10:13,455 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:188, output treesize:206 [2018-04-10 16:10:13,459 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse4 (= 0 (select |c_old(#valid)| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|))) (.cse5 (= (store |c_old(#valid)| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base| 1) |c_#valid|))) (or (exists ((v_prenex_76 Int) (__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset Int)) (let ((.cse3 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|))) (let ((.cse2 (select .cse3 __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset))) (let ((.cse0 (select |c_#memory_$Pointer$.base| .cse2)) (.cse1 (select .cse3 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset 4)))) (and (<= __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset|) (= (select .cse0 (+ v_prenex_76 5)) 0) (= |c_#valid| (store |c_old(#valid)| .cse1 1)) (= .cse1 .cse2) (= (select .cse0 (+ v_prenex_76 1)) 0) (<= 0 __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~head.offset) (= 0 (select |c_old(#valid)| .cse1))))))) (and .cse4 .cse5 (exists ((v_prenex_72 Int)) (let ((.cse6 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|))) (and (<= v_prenex_72 (+ |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset| 3)) (= 0 (select .cse6 (+ v_prenex_72 5))) (= 0 (select .cse6 (+ v_prenex_72 1))) (= |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base| (select .cse6 (+ v_prenex_72 (- 3)))) (<= 3 v_prenex_72))))) (and .cse4 .cse5 (exists ((__U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset Int)) (let ((.cse7 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|)) (.cse8 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset 5))) (and (= |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base| (select .cse7 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset 9))) (= (select .cse7 (+ __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_~node~0.offset 1)) 0) (= 0 (select .cse7 .cse8)) (<= 0 .cse8) (<= .cse8 |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset|))))) (and (exists ((v_prenex_74 Int)) (let ((.cse9 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.base|)) (.cse10 (+ v_prenex_74 1))) (and (= 0 (select .cse9 (+ v_prenex_74 5))) (<= .cse10 |c___U_MULTI_fsplit_list_test___true_valid_memsafety_i__append_#in~head.offset|) (<= 0 .cse10) (= 0 (select .cse9 .cse10))))) .cse4 .cse5))) is different from true [2018-04-10 16:10:13,473 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-10 16:10:13,473 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,504 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,505 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 29 treesize of output 31 [2018-04-10 16:10:13,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:13,526 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:250, output treesize:73 [2018-04-10 16:10:13,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,561 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2018-04-10 16:10:13,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,563 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 [2018-04-10 16:10:13,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:13,569 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 16:10:13,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-04-10 16:10:13,570 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:13,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:13,578 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:80, output treesize:15 [2018-04-10 16:10:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 362 proven. 27 refuted. 0 times theorem prover too weak. 995 trivial. 2 not checked. [2018-04-10 16:10:13,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 16:10:13,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 16:10:13,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 16:10:13,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 16:10:13,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=293, Unknown=1, NotChecked=34, Total=380 [2018-04-10 16:10:13,663 INFO L87 Difference]: Start difference. First operand 415 states and 511 transitions. Second operand 20 states. [2018-04-10 16:10:14,177 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 97 DAG size of output 93 [2018-04-10 16:10:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 16:10:16,000 INFO L93 Difference]: Finished difference Result 520 states and 623 transitions. [2018-04-10 16:10:16,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 16:10:16,000 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 297 [2018-04-10 16:10:16,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 16:10:16,002 INFO L225 Difference]: With dead ends: 520 [2018-04-10 16:10:16,002 INFO L226 Difference]: Without dead ends: 520 [2018-04-10 16:10:16,003 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=944, Unknown=1, NotChecked=64, Total=1190 [2018-04-10 16:10:16,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-04-10 16:10:16,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 455. [2018-04-10 16:10:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-04-10 16:10:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 569 transitions. [2018-04-10 16:10:16,011 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 569 transitions. Word has length 297 [2018-04-10 16:10:16,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 16:10:16,011 INFO L459 AbstractCegarLoop]: Abstraction has 455 states and 569 transitions. [2018-04-10 16:10:16,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 16:10:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 569 transitions. [2018-04-10 16:10:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-04-10 16:10:16,014 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 16:10:16,014 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 16:10:16,015 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-10 16:10:16,015 INFO L82 PathProgramCache]: Analyzing trace with hash -880198443, now seen corresponding path program 1 times [2018-04-10 16:10:16,015 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-10 16:10:16,015 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-10 16:10:16,016 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:16,016 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 16:10:16,016 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 16:10:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:10:16,078 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 16:10:16,154 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-10 16:10:16,154 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 16:10:16,154 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-10 16:10:16,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 16:10:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 16:10:17,518 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 16:10:17,575 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 [2018-04-10 16:10:17,576 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 [2018-04-10 16:10:17,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2018-04-10 16:10:17,600 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 21 treesize of output 16 [2018-04-10 16:10:17,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,602 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 16 treesize of output 23 [2018-04-10 16:10:17,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,614 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,614 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:35 [2018-04-10 16:10:17,663 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-04-10 16:10:17,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 49 [2018-04-10 16:10:17,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-10 16:10:17,706 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 27 treesize of output 26 [2018-04-10 16:10:17,707 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:10:17,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-10 16:10:17,747 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:48, output treesize:135 [2018-04-10 16:10:17,819 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 45 treesize of output 38 [2018-04-10 16:10:17,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,823 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 23 treesize of output 46 [2018-04-10 16:10:17,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,867 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 43 treesize of output 36 [2018-04-10 16:10:17,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-04-10 16:10:17,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,876 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:17,916 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 73 [2018-04-10 16:10:17,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,922 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2018-04-10 16:10:17,935 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:17,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:17,989 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 63 treesize of output 78 [2018-04-10 16:10:17,989 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:18,010 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:18,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 16:10:18,040 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:163, output treesize:181 [2018-04-10 16:10:18,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,089 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 78 treesize of output 79 [2018-04-10 16:10:18,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:18,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:18,140 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:213, output treesize:72 [2018-04-10 16:10:18,688 WARN L151 SmtUtils]: Spent 212ms on a formula simplification. DAG size of input: 71 DAG size of output 69 [2018-04-10 16:10:18,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 51 [2018-04-10 16:10:18,698 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:18,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 157 [2018-04-10 16:10:18,832 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-10 16:10:18,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,843 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 44 treesize of output 50 [2018-04-10 16:10:18,843 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:18,852 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:18,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 127 [2018-04-10 16:10:18,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,899 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 4 case distinctions, treesize of input 25 treesize of output 52 [2018-04-10 16:10:18,900 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-10 16:10:18,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 109 [2018-04-10 16:10:18,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,949 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 101 [2018-04-10 16:10:18,955 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:18,993 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:18,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:18,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 111 [2018-04-10 16:10:19,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 101 [2018-04-10 16:10:19,015 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:19,054 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:19,057 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,058 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 109 [2018-04-10 16:10:19,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 101 [2018-04-10 16:10:19,082 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:19,131 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:19,225 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-10 16:10:19,320 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-10 16:10:19,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 142 [2018-04-10 16:10:19,352 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-10 16:10:19,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:19,357 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 [2018-04-10 16:10:19,357 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:19,363 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:19,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 135 [2018-04-10 16:10:19,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 133 [2018-04-10 16:10:19,436 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:20,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:20,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 103 treesize of output 114 [2018-04-10 16:10:20,585 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 16:10:22,031 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 16:10:23,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:23,425 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 4 case distinctions, treesize of input 97 treesize of output 124 [2018-04-10 16:10:23,426 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 4 xjuncts. [2018-04-10 16:10:26,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 133 [2018-04-10 16:10:26,882 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:29,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:29,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 127 [2018-04-10 16:10:29,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:29,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:29,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 105 [2018-04-10 16:10:29,620 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:29,662 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:30,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 96 [2018-04-10 16:10:30,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:30,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:30,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 112 [2018-04-10 16:10:30,799 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:30,865 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:30,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 98 [2018-04-10 16:10:30,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:30,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 83 [2018-04-10 16:10:30,885 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 16:10:30,924 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 16:10:30,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-04-10 16:10:30,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:30,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 82 [2018-04-10 16:10:30,944 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-10 16:10:30,964 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 16:10:31,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 97 [2018-04-10 16:10:31,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 59 [2018-04-10 16:10:31,643 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:31,674 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:31,677 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2018-04-10 16:10:31,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 59 [2018-04-10 16:10:31,693 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:31,726 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:31,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 97 [2018-04-10 16:10:31,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 16:10:31,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 59 [2018-04-10 16:10:31,744 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-04-10 16:10:31,782 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 16:10:32,918 INFO L267 ElimStorePlain]: Start of recursive call 17: 5 dim-1 vars, 9 dim-2 vars, End of recursive call: 2 dim-0 vars, and 10 xjuncts. [2018-04-10 16:10:33,126 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 10 xjuncts. [2018-04-10 16:10:33,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 47 dim-0 vars, and 15 xjuncts. [2018-04-10 16:10:33,458 INFO L202 ElimStorePlain]: Needed 36 recursive calls to eliminate 9 variables, input treesize:184, output treesize:1859 Received shutdown request... [2018-04-10 16:11:10,684 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-10 16:11:10,684 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 16:11:10,690 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 16:11:10,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 04:11:10 BoogieIcfgContainer [2018-04-10 16:11:10,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 16:11:10,691 INFO L168 Benchmark]: Toolchain (without parser) took 202678.73 ms. Allocated memory was 400.6 MB in the beginning and 1.3 GB in the end (delta: 853.0 MB). Free memory was 334.7 MB in the beginning and 460.6 MB in the end (delta: -125.9 MB). Peak memory consumption was 727.2 MB. Max. memory is 5.3 GB. [2018-04-10 16:11:10,692 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 400.6 MB. Free memory is still 361.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 16:11:10,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.01 ms. Allocated memory is still 400.6 MB. Free memory was 334.7 MB in the beginning and 305.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-10 16:11:10,693 INFO L168 Benchmark]: Boogie Preprocessor took 52.03 ms. Allocated memory is still 400.6 MB. Free memory was 305.6 MB in the beginning and 301.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-10 16:11:10,693 INFO L168 Benchmark]: RCFGBuilder took 696.35 ms. Allocated memory was 400.6 MB in the beginning and 613.4 MB in the end (delta: 212.9 MB). Free memory was 301.7 MB in the beginning and 488.9 MB in the end (delta: -187.3 MB). Peak memory consumption was 41.0 MB. Max. memory is 5.3 GB. [2018-04-10 16:11:10,693 INFO L168 Benchmark]: TraceAbstraction took 201655.67 ms. Allocated memory was 613.4 MB in the beginning and 1.3 GB in the end (delta: 640.2 MB). Free memory was 488.9 MB in the beginning and 460.6 MB in the end (delta: 28.4 MB). Peak memory consumption was 668.5 MB. Max. memory is 5.3 GB. [2018-04-10 16:11:10,694 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 400.6 MB. Free memory is still 361.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 272.01 ms. Allocated memory is still 400.6 MB. Free memory was 334.7 MB in the beginning and 305.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.03 ms. Allocated memory is still 400.6 MB. Free memory was 305.6 MB in the beginning and 301.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 696.35 ms. Allocated memory was 400.6 MB in the beginning and 613.4 MB in the end (delta: 212.9 MB). Free memory was 301.7 MB in the beginning and 488.9 MB in the end (delta: -187.3 MB). Peak memory consumption was 41.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 201655.67 ms. Allocated memory was 613.4 MB in the beginning and 1.3 GB in the end (delta: 640.2 MB). Free memory was 488.9 MB in the beginning and 460.6 MB in the end (delta: 28.4 MB). Peak memory consumption was 668.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 558]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 558). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 558]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 558). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 600]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 600). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 609]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 609). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 628]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 628). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 610]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 610). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 604]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 604). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 564]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 564). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 619]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 619). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 565]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 565). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 562]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 562). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 614]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 614). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 624]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 624). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 565]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 565). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 609]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 609). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 615]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 615). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 601]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 601). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 615]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 615). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 564]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 564). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 614]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 614). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 620]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 620). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 603]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 603). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 604]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 604). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 620]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 620). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 601]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 601). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 619]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 619). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 624]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 624). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 625). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 628]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 628). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 603]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 603). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 600]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 600). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 610]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 610). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 625). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 298 with TraceHistMax 15, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 412. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 351 locations, 141 error locations. TIMEOUT Result, 201.6s OverallTime, 17 OverallIterations, 15 TraceHistogramMax, 123.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4909 SDtfs, 6363 SDslu, 19697 SDs, 0 SdLazy, 30142 SolverSat, 1800 SolverUnsat, 70 SolverUnknown, 0 SolverNotchecked, 83.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1607 GetRequests, 1274 SyntacticMatches, 9 SemanticMatches, 324 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2301 ImplicationChecksByTransitivity, 49.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=14, 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: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1244 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 2922 NumberOfCodeBlocks, 2922 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1740 ConstructedInterpolants, 215 QuantifiedInterpolants, 2712415 SizeOfPredicates, 167 NumberOfNonLiveVariables, 6871 ConjunctsInSsa, 449 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 7002/7486 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/split_list_test05_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_16-11-10-700.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_16-11-10-700.csv Completed graceful shutdown