java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 13:38:35,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 13:38:35,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 13:38:35,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 13:38:35,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 13:38:35,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 13:38:35,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 13:38:35,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 13:38:35,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 13:38:35,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 13:38:35,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 13:38:35,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 13:38:35,969 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 13:38:35,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 13:38:35,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 13:38:35,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 13:38:35,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 13:38:35,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 13:38:35,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 13:38:35,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 13:38:35,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 13:38:35,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 13:38:35,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 13:38:35,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 13:38:35,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 13:38:35,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 13:38:35,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 13:38:35,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 13:38:35,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 13:38:35,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 13:38:35,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 13:38:35,983 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 13:38:35,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 13:38:35,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 13:38:35,994 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 13:38:35,994 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 13:38:35,994 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 13:38:35,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 13:38:35,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 13:38:35,995 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 13:38:35,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 13:38:35,995 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 13:38:35,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 13:38:35,996 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 13:38:35,996 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 13:38:35,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 13:38:35,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 13:38:35,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 13:38:35,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 13:38:35,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 13:38:35,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 13:38:35,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 13:38:35,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 13:38:35,997 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 13:38:35,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 13:38:35,998 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 13:38:36,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 13:38:36,037 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 13:38:36,041 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 13:38:36,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 13:38:36,042 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 13:38:36,043 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_false-valid-deref.i [2018-04-12 13:38:36,381 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0bd0ed813 [2018-04-12 13:38:36,519 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 13:38:36,519 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 13:38:36,520 INFO L168 CDTParser]: Scanning split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,526 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 13:38:36,527 INFO L215 ultiparseSymbolTable]: [2018-04-12 13:38:36,527 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody ('containsBody') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead ('containsHead') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 ('__bswap_64') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 ('__bswap_32') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___false_valid_deref_i__append ('append') in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,527 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fd_mask in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__nlink_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____int64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__uint in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__loff_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____u_int in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__dev_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_once_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_int8_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__id_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_condattr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_spinlock_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__register_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_int16_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____daddr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____blkcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsblkcnt64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____key_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____uint8_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_cond_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____clockid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__off_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__quad_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__ushort in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__ldiv_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____syscall_slong_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____u_quad_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_attr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__ino_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_barrier_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____useconds_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsfilcnt64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__wchar_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____mode_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____intptr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____socklen_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__daddr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____time_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__int8_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_int64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____ino_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__size_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsfilcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__int64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____u_long in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____int16_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____uint16_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__caddr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__fsid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__mode_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____clock_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__ulong in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____sigset_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_short in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____loff_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____int8_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__gid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__suseconds_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____u_short in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_long in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__clock_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____caddr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__fd_set in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__blksize_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____qaddr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__lldiv_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____id_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____dev_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsblkcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____syscall_ulong_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__int16_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__uid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____u_char in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____off64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_rwlock_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_key_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____rlim64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__div_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____uint32_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____blksize_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__fsblkcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_int in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_barrierattr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_char in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____suseconds_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__time_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__blkcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_quad_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_mutex_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____rlim_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____quad_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____off_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____ssize_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__fsfilcnt_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____ino64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____pid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_mutexattr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____gid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____timer_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__timer_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__sigset_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____int32_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____pthread_slist_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__clockid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__u_int32_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____blkcnt64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____uid_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____fsword_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__ssize_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__pthread_rwlockattr_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__key_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____sig_atomic_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____nlink_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__int32_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i__fd_mask in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___false_valid_deref_i____uint64_t in split_list_test05_false-valid-deref.i [2018-04-12 13:38:36,549 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0bd0ed813 [2018-04-12 13:38:36,552 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 13:38:36,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 13:38:36,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 13:38:36,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 13:38:36,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 13:38:36,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b6e942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36, skipping insertion in model container [2018-04-12 13:38:36,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,569 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 13:38:36,596 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 13:38:36,741 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 13:38:36,784 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 13:38:36,792 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 121 non ball SCCs. Number of states in SCCs 121. [2018-04-12 13:38:36,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36 WrapperNode [2018-04-12 13:38:36,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 13:38:36,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 13:38:36,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 13:38:36,836 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 13:38:36,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... [2018-04-12 13:38:36,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 13:38:36,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 13:38:36,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 13:38:36,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 13:38:36,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-12 13:38:36,966 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 13:38:36,966 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 13:38:36,966 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 13:38:36,966 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 13:38:36,966 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 13:38:36,966 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 13:38:36,967 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 13:38:36,968 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-12 13:38:36,969 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 13:38:36,970 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 13:38:36,971 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 13:38:36,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 13:38:36,973 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 13:38:37,593 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 13:38:37,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 01:38:37 BoogieIcfgContainer [2018-04-12 13:38:37,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 13:38:37,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 13:38:37,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 13:38:37,596 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 13:38:37,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 01:38:36" (1/3) ... [2018-04-12 13:38:37,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f2159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 01:38:37, skipping insertion in model container [2018-04-12 13:38:37,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:38:36" (2/3) ... [2018-04-12 13:38:37,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579f2159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 01:38:37, skipping insertion in model container [2018-04-12 13:38:37,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 01:38:37" (3/3) ... [2018-04-12 13:38:37,598 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-04-12 13:38:37,606 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 13:38:37,616 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-04-12 13:38:37,649 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 13:38:37,650 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 13:38:37,650 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 13:38:37,650 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 13:38:37,650 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 13:38:37,650 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 13:38:37,650 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 13:38:37,650 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 13:38:37,650 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 13:38:37,651 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 13:38:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2018-04-12 13:38:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 13:38:37,675 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:37,676 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:37,676 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:37,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216059, now seen corresponding path program 1 times [2018-04-12 13:38:37,681 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:37,682 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:37,724 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:37,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:37,724 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:37,763 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:37,805 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:37,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:38:37,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:38:37,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:38:37,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:38:37,816 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2018-04-12 13:38:38,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:38,173 INFO L93 Difference]: Finished difference Result 411 states and 456 transitions. [2018-04-12 13:38:38,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 13:38:38,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 13:38:38,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:38,182 INFO L225 Difference]: With dead ends: 411 [2018-04-12 13:38:38,182 INFO L226 Difference]: Without dead ends: 408 [2018-04-12 13:38:38,183 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 [2018-04-12 13:38:38,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-04-12 13:38:38,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 357. [2018-04-12 13:38:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-04-12 13:38:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 401 transitions. [2018-04-12 13:38:38,229 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 401 transitions. Word has length 8 [2018-04-12 13:38:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:38,229 INFO L459 AbstractCegarLoop]: Abstraction has 357 states and 401 transitions. [2018-04-12 13:38:38,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:38:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 401 transitions. [2018-04-12 13:38:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 13:38:38,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:38,230 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:38,230 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:38,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216058, now seen corresponding path program 1 times [2018-04-12 13:38:38,230 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:38,230 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:38,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:38,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:38,242 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:38,282 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:38,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:38:38,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:38:38,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:38:38,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:38:38,284 INFO L87 Difference]: Start difference. First operand 357 states and 401 transitions. Second operand 4 states. [2018-04-12 13:38:38,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:38,511 INFO L93 Difference]: Finished difference Result 359 states and 405 transitions. [2018-04-12 13:38:38,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:38:38,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 13:38:38,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:38,514 INFO L225 Difference]: With dead ends: 359 [2018-04-12 13:38:38,514 INFO L226 Difference]: Without dead ends: 359 [2018-04-12 13:38:38,514 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 [2018-04-12 13:38:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-12 13:38:38,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-04-12 13:38:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-04-12 13:38:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 399 transitions. [2018-04-12 13:38:38,527 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 399 transitions. Word has length 8 [2018-04-12 13:38:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:38,528 INFO L459 AbstractCegarLoop]: Abstraction has 355 states and 399 transitions. [2018-04-12 13:38:38,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:38:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 399 transitions. [2018-04-12 13:38:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 13:38:38,528 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:38,528 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:38,528 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:38,528 INFO L82 PathProgramCache]: Analyzing trace with hash 826773366, now seen corresponding path program 1 times [2018-04-12 13:38:38,528 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:38,529 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:38,529 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:38,529 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:38,542 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:38,558 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:38,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:38:38,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:38:38,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:38:38,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:38:38,559 INFO L87 Difference]: Start difference. First operand 355 states and 399 transitions. Second operand 4 states. [2018-04-12 13:38:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:38,748 INFO L93 Difference]: Finished difference Result 350 states and 394 transitions. [2018-04-12 13:38:38,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:38:38,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-12 13:38:38,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:38,749 INFO L225 Difference]: With dead ends: 350 [2018-04-12 13:38:38,749 INFO L226 Difference]: Without dead ends: 350 [2018-04-12 13:38:38,749 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 [2018-04-12 13:38:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-12 13:38:38,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-04-12 13:38:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-12 13:38:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2018-04-12 13:38:38,759 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 18 [2018-04-12 13:38:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:38,759 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2018-04-12 13:38:38,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:38:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2018-04-12 13:38:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 13:38:38,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:38,760 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:38,760 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash 826773367, now seen corresponding path program 1 times [2018-04-12 13:38:38,760 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:38,761 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:38,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:38,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:38,773 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:38,798 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:38,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:38:38,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:38:38,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:38:38,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:38:38,799 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 4 states. [2018-04-12 13:38:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:38,965 INFO L93 Difference]: Finished difference Result 345 states and 389 transitions. [2018-04-12 13:38:38,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:38:38,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-12 13:38:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:38,967 INFO L225 Difference]: With dead ends: 345 [2018-04-12 13:38:38,967 INFO L226 Difference]: Without dead ends: 345 [2018-04-12 13:38:38,967 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 [2018-04-12 13:38:38,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-12 13:38:38,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-04-12 13:38:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-04-12 13:38:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 389 transitions. [2018-04-12 13:38:38,976 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 389 transitions. Word has length 18 [2018-04-12 13:38:38,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:38,976 INFO L459 AbstractCegarLoop]: Abstraction has 345 states and 389 transitions. [2018-04-12 13:38:38,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:38:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 389 transitions. [2018-04-12 13:38:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 13:38:38,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:38,977 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:38,977 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:38,977 INFO L82 PathProgramCache]: Analyzing trace with hash -139829100, now seen corresponding path program 1 times [2018-04-12 13:38:38,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:38,977 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:38,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:38,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:38,992 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:39,047 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:39,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 13:38:39,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 13:38:39,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 13:38:39,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-12 13:38:39,048 INFO L87 Difference]: Start difference. First operand 345 states and 389 transitions. Second operand 7 states. [2018-04-12 13:38:39,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:39,459 INFO L93 Difference]: Finished difference Result 384 states and 427 transitions. [2018-04-12 13:38:39,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 13:38:39,459 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-04-12 13:38:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:39,460 INFO L225 Difference]: With dead ends: 384 [2018-04-12 13:38:39,461 INFO L226 Difference]: Without dead ends: 384 [2018-04-12 13:38:39,461 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 13:38:39,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-04-12 13:38:39,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 337. [2018-04-12 13:38:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-12 13:38:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-04-12 13:38:39,466 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 19 [2018-04-12 13:38:39,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:39,466 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-04-12 13:38:39,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 13:38:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-04-12 13:38:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 13:38:39,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:39,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:39,467 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, 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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___false_valid_deref_i__appendErr0RequiresViolation, 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__U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:39,467 INFO L82 PathProgramCache]: Analyzing trace with hash -139829099, now seen corresponding path program 1 times [2018-04-12 13:38:39,467 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:39,467 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:39,468 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:39,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:39,468 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:39,478 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:39,535 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:39,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 13:38:39,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 13:38:39,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 13:38:39,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 13:38:39,535 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 8 states. [2018-04-12 13:38:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:40,186 INFO L93 Difference]: Finished difference Result 378 states and 423 transitions. [2018-04-12 13:38:40,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 13:38:40,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 13:38:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:40,188 INFO L225 Difference]: With dead ends: 378 [2018-04-12 13:38:40,188 INFO L226 Difference]: Without dead ends: 378 [2018-04-12 13:38:40,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-04-12 13:38:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-12 13:38:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 328. [2018-04-12 13:38:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 13:38:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 371 transitions. [2018-04-12 13:38:40,193 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 371 transitions. Word has length 19 [2018-04-12 13:38:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:40,193 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 371 transitions. [2018-04-12 13:38:40,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 13:38:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 371 transitions. [2018-04-12 13:38:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 13:38:40,194 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:40,194 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:40,194 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, 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__U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:40,195 INFO L82 PathProgramCache]: Analyzing trace with hash 438458257, now seen corresponding path program 1 times [2018-04-12 13:38:40,195 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:40,195 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:40,195 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:40,195 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:40,223 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:40,275 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:40,275 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 13:38:40,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 13:38:40,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 13:38:40,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 13:38:40,276 INFO L87 Difference]: Start difference. First operand 328 states and 371 transitions. Second operand 7 states. [2018-04-12 13:38:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:40,447 INFO L93 Difference]: Finished difference Result 345 states and 391 transitions. [2018-04-12 13:38:40,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 13:38:40,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-04-12 13:38:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:40,448 INFO L225 Difference]: With dead ends: 345 [2018-04-12 13:38:40,448 INFO L226 Difference]: Without dead ends: 345 [2018-04-12 13:38:40,449 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-12 13:38:40,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-12 13:38:40,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 339. [2018-04-12 13:38:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-12 13:38:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 384 transitions. [2018-04-12 13:38:40,453 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 384 transitions. Word has length 28 [2018-04-12 13:38:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:40,454 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 384 transitions. [2018-04-12 13:38:40,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 13:38:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 384 transitions. [2018-04-12 13:38:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 13:38:40,454 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:40,454 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] [2018-04-12 13:38:40,454 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:40,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1482101612, now seen corresponding path program 1 times [2018-04-12 13:38:40,455 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:40,455 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:40,455 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:40,456 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:40,470 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:40,579 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:38:40,580 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 13:38:40,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 13:38:40,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 13:38:40,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-12 13:38:40,580 INFO L87 Difference]: Start difference. First operand 339 states and 384 transitions. Second operand 9 states. [2018-04-12 13:38:40,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:40,783 INFO L93 Difference]: Finished difference Result 344 states and 389 transitions. [2018-04-12 13:38:40,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 13:38:40,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-12 13:38:40,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:40,784 INFO L225 Difference]: With dead ends: 344 [2018-04-12 13:38:40,785 INFO L226 Difference]: Without dead ends: 344 [2018-04-12 13:38:40,785 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 [2018-04-12 13:38:40,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-04-12 13:38:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2018-04-12 13:38:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-12 13:38:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 387 transitions. [2018-04-12 13:38:40,789 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 387 transitions. Word has length 30 [2018-04-12 13:38:40,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:40,789 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 387 transitions. [2018-04-12 13:38:40,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 13:38:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 387 transitions. [2018-04-12 13:38:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 13:38:40,790 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:40,791 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] [2018-04-12 13:38:40,791 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:40,791 INFO L82 PathProgramCache]: Analyzing trace with hash 52121681, now seen corresponding path program 1 times [2018-04-12 13:38:40,791 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:40,791 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:40,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:40,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:40,811 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:41,211 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:38:41,211 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:38:41,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:41,260 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:38:41,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:38:41,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:38:41,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,492 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-12 13:38:41,557 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 [2018-04-12 13:38:41,562 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 [2018-04-12 13:38:41,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,584 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 [2018-04-12 13:38:41,585 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:38:41,592 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:41,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:41,602 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-04-12 13:38:41,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-04-12 13:38:41,660 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:41,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:38:41,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,689 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 68 treesize of output 65 [2018-04-12 13:38:41,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:41,693 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 61 treesize of output 76 [2018-04-12 13:38:41,694 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:41,719 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 53 [2018-04-12 13:38:41,720 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 13:38:41,736 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:41,753 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 3 xjuncts. [2018-04-12 13:38:41,753 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-04-12 13:38:41,835 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:38:41,836 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:41,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:41,853 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 [2018-04-12 13:38:41,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:41,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:38:41,866 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:130, output treesize:57 [2018-04-12 13:38:42,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:42,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:42,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:42,011 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 58 [2018-04-12 13:38:42,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:38:42,021 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:76 [2018-04-12 13:38:42,121 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 [2018-04-12 13:38:42,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:38:42,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:38:42,147 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:89, output treesize:76 [2018-04-12 13:38:42,188 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 [2018-04-12 13:38:42,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:38:42,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,206 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. [2018-04-12 13:38:42,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:89, output treesize:85 [2018-04-12 13:38:42,265 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 58 [2018-04-12 13:38:42,269 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 [2018-04-12 13:38:42,269 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 14 [2018-04-12 13:38:42,279 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:42,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:38:42,286 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:42,297 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. [2018-04-12 13:38:42,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:94, output treesize:28 [2018-04-12 13:38:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:42,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:38:42,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 35 [2018-04-12 13:38:42,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 13:38:42,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 13:38:42,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1150, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 13:38:42,364 INFO L87 Difference]: Start difference. First operand 342 states and 387 transitions. Second operand 36 states. [2018-04-12 13:38:43,495 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 101 DAG size of output 52 [2018-04-12 13:38:46,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:46,707 INFO L93 Difference]: Finished difference Result 514 states and 614 transitions. [2018-04-12 13:38:46,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 13:38:46,708 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 47 [2018-04-12 13:38:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:46,711 INFO L225 Difference]: With dead ends: 514 [2018-04-12 13:38:46,711 INFO L226 Difference]: Without dead ends: 514 [2018-04-12 13:38:46,713 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=513, Invalid=3147, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 13:38:46,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2018-04-12 13:38:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 347. [2018-04-12 13:38:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-04-12 13:38:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 391 transitions. [2018-04-12 13:38:46,726 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 391 transitions. Word has length 47 [2018-04-12 13:38:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:46,726 INFO L459 AbstractCegarLoop]: Abstraction has 347 states and 391 transitions. [2018-04-12 13:38:46,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 13:38:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 391 transitions. [2018-04-12 13:38:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 13:38:46,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:46,728 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] [2018-04-12 13:38:46,728 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:46,728 INFO L82 PathProgramCache]: Analyzing trace with hash 52121682, now seen corresponding path program 1 times [2018-04-12 13:38:46,728 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:46,728 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:46,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:46,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:46,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:46,751 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:47,187 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:38:47,187 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:38:47,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:47,239 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:38:47,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 13:38:47,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2018-04-12 13:38:47,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:38:47,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:38:47,409 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:38:47,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:38:47,423 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,425 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,433 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. [2018-04-12 13:38:47,433 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:40 [2018-04-12 13:38:47,475 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 [2018-04-12 13:38:47,478 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 [2018-04-12 13:38:47,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,497 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 33 treesize of output 48 [2018-04-12 13:38:47,497 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,534 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 47 treesize of output 57 [2018-04-12 13:38:47,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 54 [2018-04-12 13:38:47,539 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,558 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 44 treesize of output 43 [2018-04-12 13:38:47,558 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,566 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,568 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:47,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-04-12 13:38:47,571 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:47,572 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 38 treesize of output 29 [2018-04-12 13:38:47,572 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,576 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,591 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. [2018-04-12 13:38:47,591 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:66, output treesize:110 [2018-04-12 13:38:47,657 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:38:47,657 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,703 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 146 treesize of output 135 [2018-04-12 13:38:47,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,707 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 139 treesize of output 166 [2018-04-12 13:38:47,708 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 145 [2018-04-12 13:38:47,764 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,816 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,862 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 147 treesize of output 147 [2018-04-12 13:38:47,878 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,879 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 140 treesize of output 167 [2018-04-12 13:38:47,879 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,925 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,932 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 153 [2018-04-12 13:38:47,933 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,964 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:38:47,967 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 112 treesize of output 93 [2018-04-12 13:38:47,969 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:47,969 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:47,971 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2018-04-12 13:38:47,971 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:47,979 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 13:38:48,005 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:249, output treesize:210 [2018-04-12 13:38:48,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 150 [2018-04-12 13:38:48,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:38:48,098 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:226, output treesize:150 [2018-04-12 13:38:48,227 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 37 treesize of output 26 [2018-04-12 13:38:48,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:38:48,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,262 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. [2018-04-12 13:38:48,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:161, output treesize:144 [2018-04-12 13:38:48,377 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 119 treesize of output 130 [2018-04-12 13:38:48,380 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 130 treesize of output 129 [2018-04-12 13:38:48,380 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,431 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 88 treesize of output 139 [2018-04-12 13:38:48,432 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-12 13:38:48,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:38:48,529 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 148 treesize of output 168 [2018-04-12 13:38:48,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,545 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 142 treesize of output 193 [2018-04-12 13:38:48,546 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-04-12 13:38:48,624 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 [2018-04-12 13:38:48,624 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,676 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:38:48,681 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 122 treesize of output 113 [2018-04-12 13:38:48,684 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,685 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:48,687 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 43 treesize of output 90 [2018-04-12 13:38:48,687 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,698 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,703 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 122 treesize of output 113 [2018-04-12 13:38:48,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:48,706 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:48,708 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 43 treesize of output 76 [2018-04-12 13:38:48,709 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,725 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 13:38:48,776 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:170, output treesize:339 [2018-04-12 13:38:48,874 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:48,874 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 155 treesize of output 141 [2018-04-12 13:38:48,877 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 36 treesize of output 21 [2018-04-12 13:38:48,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:48,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,003 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:49,005 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 124 treesize of output 107 [2018-04-12 13:38:49,007 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 36 treesize of output 21 [2018-04-12 13:38:49,007 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,015 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,109 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 170 treesize of output 177 [2018-04-12 13:38:49,112 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 177 treesize of output 176 [2018-04-12 13:38:49,113 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,220 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,307 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 155 treesize of output 138 [2018-04-12 13:38:49,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:49,312 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 36 treesize of output 63 [2018-04-12 13:38:49,312 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,326 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 131 [2018-04-12 13:38:49,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:49,406 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 36 treesize of output 63 [2018-04-12 13:38:49,406 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,421 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,492 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 166 treesize of output 182 [2018-04-12 13:38:49,495 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 173 treesize of output 172 [2018-04-12 13:38:49,495 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,564 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,651 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. [2018-04-12 13:38:49,651 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:481, output treesize:391 [2018-04-12 13:38:49,757 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 111 treesize of output 102 [2018-04-12 13:38:49,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 13:38:49,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,770 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:49,770 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 44 treesize of output 32 [2018-04-12 13:38:49,771 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,810 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 63 treesize of output 53 [2018-04-12 13:38:49,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 13:38:49,811 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,821 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:49,821 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 24 treesize of output 16 [2018-04-12 13:38:49,821 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,828 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,856 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 153 treesize of output 134 [2018-04-12 13:38:49,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:49,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 20 [2018-04-12 13:38:49,858 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:49,871 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 63 treesize of output 47 [2018-04-12 13:38:49,872 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,882 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,902 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 82 treesize of output 68 [2018-04-12 13:38:49,904 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:38:49,904 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 46 treesize of output 30 [2018-04-12 13:38:49,904 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:38:49,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:38:49,913 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,919 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:38:49,933 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:265, output treesize:14 [2018-04-12 13:38:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:38:49,988 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:38:49,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 36 [2018-04-12 13:38:49,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 13:38:49,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 13:38:49,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1233, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 13:38:49,989 INFO L87 Difference]: Start difference. First operand 347 states and 391 transitions. Second operand 37 states. [2018-04-12 13:38:53,227 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 114 DAG size of output 102 [2018-04-12 13:38:53,898 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 169 DAG size of output 90 [2018-04-12 13:38:54,531 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 174 DAG size of output 105 [2018-04-12 13:38:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:59,554 INFO L93 Difference]: Finished difference Result 511 states and 611 transitions. [2018-04-12 13:38:59,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-12 13:38:59,554 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 47 [2018-04-12 13:38:59,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:59,556 INFO L225 Difference]: With dead ends: 511 [2018-04-12 13:38:59,556 INFO L226 Difference]: Without dead ends: 511 [2018-04-12 13:38:59,557 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=466, Invalid=3316, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 13:38:59,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-04-12 13:38:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 346. [2018-04-12 13:38:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-04-12 13:38:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 390 transitions. [2018-04-12 13:38:59,563 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 390 transitions. Word has length 47 [2018-04-12 13:38:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:59,563 INFO L459 AbstractCegarLoop]: Abstraction has 346 states and 390 transitions. [2018-04-12 13:38:59,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 13:38:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 390 transitions. [2018-04-12 13:38:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-04-12 13:38:59,566 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:59,566 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:38:59,566 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:59,566 INFO L82 PathProgramCache]: Analyzing trace with hash -870239479, now seen corresponding path program 1 times [2018-04-12 13:38:59,566 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:59,566 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:59,567 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:59,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:59,567 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:59,580 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:38:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2018-04-12 13:38:59,636 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:38:59,636 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:38:59,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:59,793 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:38:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2018-04-12 13:38:59,833 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 13:38:59,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2018-04-12 13:38:59,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 13:38:59,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 13:38:59,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 13:38:59,834 INFO L87 Difference]: Start difference. First operand 346 states and 390 transitions. Second operand 3 states. [2018-04-12 13:38:59,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:38:59,840 INFO L93 Difference]: Finished difference Result 347 states and 391 transitions. [2018-04-12 13:38:59,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 13:38:59,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2018-04-12 13:38:59,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:38:59,842 INFO L225 Difference]: With dead ends: 347 [2018-04-12 13:38:59,842 INFO L226 Difference]: Without dead ends: 347 [2018-04-12 13:38:59,842 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 13:38:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-04-12 13:38:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-04-12 13:38:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-04-12 13:38:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 391 transitions. [2018-04-12 13:38:59,848 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 391 transitions. Word has length 240 [2018-04-12 13:38:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:38:59,848 INFO L459 AbstractCegarLoop]: Abstraction has 347 states and 391 transitions. [2018-04-12 13:38:59,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 13:38:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 391 transitions. [2018-04-12 13:38:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-04-12 13:38:59,851 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:38:59,852 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2018-04-12 13:38:59,852 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:38:59,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1114924480, now seen corresponding path program 1 times [2018-04-12 13:38:59,852 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:38:59,852 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:38:59,853 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:59,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:38:59,853 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:38:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:38:59,910 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:39:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2018-04-12 13:39:00,262 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:39:00,275 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:39:00,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:39:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:39:00,380 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:39:00,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:39:00,463 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 [2018-04-12 13:39:00,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,470 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-12 13:39:00,489 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 [2018-04-12 13:39:00,490 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,491 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 [2018-04-12 13:39:00,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,497 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-04-12 13:39:00,529 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 [2018-04-12 13:39:00,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,550 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 [2018-04-12 13:39:00,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-12 13:39:00,590 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 27 treesize of output 26 [2018-04-12 13:39:00,590 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:00,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:00,622 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:39, output treesize:108 [2018-04-12 13:39:00,687 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 75 treesize of output 66 [2018-04-12 13:39:00,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,689 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 [2018-04-12 13:39:00,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,718 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 51 treesize of output 91 [2018-04-12 13:39:00,719 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:39:00,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:39:00,793 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 39 treesize of output 32 [2018-04-12 13:39:00,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,797 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 [2018-04-12 13:39:00,797 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,805 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,841 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 39 treesize of output 40 [2018-04-12 13:39:00,842 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 [2018-04-12 13:39:00,842 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,848 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,873 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. [2018-04-12 13:39:00,873 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:154, output treesize:170 [2018-04-12 13:39:00,928 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:39:00,928 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,952 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:00,953 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 17 treesize of output 10 [2018-04-12 13:39:00,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:00,959 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. [2018-04-12 13:39:00,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-04-12 13:39:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 982 proven. 38 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-04-12 13:39:01,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:39:01,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 29 [2018-04-12 13:39:01,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 13:39:01,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 13:39:01,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2018-04-12 13:39:01,124 INFO L87 Difference]: Start difference. First operand 347 states and 391 transitions. Second operand 29 states. [2018-04-12 13:39:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:39:04,224 INFO L93 Difference]: Finished difference Result 412 states and 458 transitions. [2018-04-12 13:39:04,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 13:39:04,224 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 266 [2018-04-12 13:39:04,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:39:04,225 INFO L225 Difference]: With dead ends: 412 [2018-04-12 13:39:04,225 INFO L226 Difference]: Without dead ends: 393 [2018-04-12 13:39:04,226 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=450, Invalid=2412, Unknown=0, NotChecked=0, Total=2862 [2018-04-12 13:39:04,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-04-12 13:39:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 340. [2018-04-12 13:39:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-12 13:39:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 382 transitions. [2018-04-12 13:39:04,230 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 382 transitions. Word has length 266 [2018-04-12 13:39:04,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:39:04,230 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 382 transitions. [2018-04-12 13:39:04,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 13:39:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 382 transitions. [2018-04-12 13:39:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-04-12 13:39:04,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:39:04,232 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:39:04,232 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBodyErr34RequiresViolation, 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___false_valid_deref_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr17RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___false_valid_deref_i__appendErr3RequiresViolation]=== [2018-04-12 13:39:04,233 INFO L82 PathProgramCache]: Analyzing trace with hash 93691804, now seen corresponding path program 1 times [2018-04-12 13:39:04,233 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:39:04,233 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:39:04,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:39:04,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:39:04,233 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:39:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:39:06,478 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:39:08,303 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 57 DAG size of output 46 [2018-04-12 13:39:08,897 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 59 DAG size of output 39 [2018-04-12 13:39:09,567 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 57 DAG size of output 46 [2018-04-12 13:39:10,259 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 58 DAG size of output 46 [2018-04-12 13:39:12,230 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 72 DAG size of output 39 [2018-04-12 13:39:12,428 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 65 DAG size of output 42 [2018-04-12 13:39:13,087 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 77 DAG size of output 49 [2018-04-12 13:39:15,286 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 66 DAG size of output 55 [2018-04-12 13:39:15,638 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 62 DAG size of output 50 [2018-04-12 13:39:17,245 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 62 DAG size of output 49 [2018-04-12 13:39:17,437 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 58 DAG size of output 43 [2018-04-12 13:39:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 372 proven. 942 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-04-12 13:39:17,917 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:39:17,917 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:39:17,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:39:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:39:18,321 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:39:18,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:39:18,576 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 [2018-04-12 13:39:18,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,591 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-04-12 13:39:18,642 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 [2018-04-12 13:39:18,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,647 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 [2018-04-12 13:39:18,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,656 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-04-12 13:39:18,711 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 [2018-04-12 13:39:18,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-04-12 13:39:18,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,743 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,755 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 [2018-04-12 13:39:18,756 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-12 13:39:18,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:18,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:18,803 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:40, output treesize:111 [2018-04-12 13:39:18,898 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 [2018-04-12 13:39:18,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,906 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 [2018-04-12 13:39:18,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:18,969 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 62 treesize of output 63 [2018-04-12 13:39:18,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:18,973 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 61 treesize of output 76 [2018-04-12 13:39:18,973 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:19,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:19,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:19,032 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 46 treesize of output 65 [2018-04-12 13:39:19,032 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 13:39:19,061 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:39:19,105 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 [2018-04-12 13:39:19,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:19,109 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 [2018-04-12 13:39:19,109 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:19,115 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:19,144 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. [2018-04-12 13:39:19,144 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:143, output treesize:158 [2018-04-12 13:39:19,238 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:39:19,238 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:19,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:19,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:19,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:39:19,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:19,271 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. [2018-04-12 13:39:19,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-04-12 13:39:20,080 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 90 DAG size of output 66 [2018-04-12 13:39:20,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:39:20,088 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,142 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:20,158 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 0 case distinctions, treesize of input 205 treesize of output 142 [2018-04-12 13:39:20,196 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 [2018-04-12 13:39:20,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:39:20,200 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,205 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,228 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 120 treesize of output 121 [2018-04-12 13:39:20,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,242 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 31 treesize of output 70 [2018-04-12 13:39:20,242 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-12 13:39:20,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 97 [2018-04-12 13:39:20,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,293 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 62 [2018-04-12 13:39:20,293 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,307 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 97 [2018-04-12 13:39:20,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,318 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 62 [2018-04-12 13:39:20,318 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,329 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 99 [2018-04-12 13:39:20,338 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,338 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 75 [2018-04-12 13:39:20,339 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,350 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,388 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:20,426 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:20,429 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:20,445 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 136 [2018-04-12 13:39:20,499 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,518 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 88 [2018-04-12 13:39:20,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,526 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 72 treesize of output 96 [2018-04-12 13:39:20,526 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,660 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,661 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:20,677 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 64 treesize of output 78 [2018-04-12 13:39:20,677 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,741 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 2 case distinctions, treesize of input 64 treesize of output 82 [2018-04-12 13:39:20,742 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:20,775 INFO L267 ElimStorePlain]: Start of recursive call 15: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:20,820 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 99 treesize of output 89 [2018-04-12 13:39:20,824 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:20,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 118 [2018-04-12 13:39:20,859 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 13:39:20,862 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 32 xjuncts. [2018-04-12 13:39:21,028 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,029 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 92 treesize of output 85 [2018-04-12 13:39:21,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,031 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 36 treesize of output 28 [2018-04-12 13:39:21,031 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,041 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,045 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,045 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 82 treesize of output 75 [2018-04-12 13:39:21,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,048 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 36 treesize of output 28 [2018-04-12 13:39:21,048 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,058 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,062 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,062 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 98 treesize of output 91 [2018-04-12 13:39:21,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,065 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 36 treesize of output 28 [2018-04-12 13:39:21,065 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,076 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,080 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,081 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 98 treesize of output 91 [2018-04-12 13:39:21,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,085 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 36 treesize of output 28 [2018-04-12 13:39:21,085 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,106 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,110 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,110 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 88 treesize of output 81 [2018-04-12 13:39:21,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,113 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 36 treesize of output 28 [2018-04-12 13:39:21,113 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,124 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,127 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,128 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 106 treesize of output 99 [2018-04-12 13:39:21,130 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,130 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 36 treesize of output 28 [2018-04-12 13:39:21,131 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,143 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,147 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,148 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 82 treesize of output 75 [2018-04-12 13:39:21,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,151 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 36 treesize of output 28 [2018-04-12 13:39:21,151 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,162 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,166 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,167 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 91 treesize of output 84 [2018-04-12 13:39:21,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,169 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 36 treesize of output 28 [2018-04-12 13:39:21,170 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,182 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,186 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,187 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 90 treesize of output 83 [2018-04-12 13:39:21,189 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,189 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 36 treesize of output 28 [2018-04-12 13:39:21,190 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,207 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,304 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-12 13:39:21,310 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 97 treesize of output 89 [2018-04-12 13:39:21,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,315 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,334 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 6 case distinctions, treesize of input 32 treesize of output 85 [2018-04-12 13:39:21,334 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 8 xjuncts. [2018-04-12 13:39:21,395 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,395 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 76 [2018-04-12 13:39:21,398 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,398 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 36 treesize of output 28 [2018-04-12 13:39:21,398 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,409 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,412 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,413 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 81 treesize of output 74 [2018-04-12 13:39:21,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,416 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 36 treesize of output 28 [2018-04-12 13:39:21,416 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,451 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,454 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,455 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 81 treesize of output 74 [2018-04-12 13:39:21,461 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,462 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 36 treesize of output 28 [2018-04-12 13:39:21,462 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,475 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,479 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,479 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 81 treesize of output 74 [2018-04-12 13:39:21,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,482 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 36 treesize of output 28 [2018-04-12 13:39:21,482 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,491 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,527 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:39:21,532 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 88 treesize of output 82 [2018-04-12 13:39:21,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,546 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 25 treesize of output 52 [2018-04-12 13:39:21,546 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2018-04-12 13:39:21,577 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,578 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 74 treesize of output 67 [2018-04-12 13:39:21,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,580 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 36 treesize of output 28 [2018-04-12 13:39:21,580 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,588 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,590 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,591 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 65 [2018-04-12 13:39:21,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,593 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 36 treesize of output 28 [2018-04-12 13:39:21,593 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,601 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,604 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:39:21,604 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 65 [2018-04-12 13:39:21,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:39:21,606 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 36 treesize of output 28 [2018-04-12 13:39:21,607 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,615 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:39:21,642 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:39:21,783 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 13 xjuncts. [2018-04-12 13:39:21,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 25 dim-0 vars, and 14 xjuncts. [2018-04-12 13:39:21,976 INFO L202 ElimStorePlain]: Needed 56 recursive calls to eliminate 7 variables, input treesize:273, output treesize:1113 [2018-04-12 13:40:37,326 WARN L151 SmtUtils]: Spent 75158ms on a formula simplification. DAG size of input: 220 DAG size of output 102 [2018-04-12 13:47:25,791 WARN L151 SmtUtils]: Spent 407702ms on a formula simplification. DAG size of input: 508 DAG size of output 359 [2018-04-12 13:47:25,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:47:25,799 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:47:25,799 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:47:25,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:47:25,802 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:47:25,802 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:47:25,803 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_69 term size 68 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-12 13:47:25,806 INFO L168 Benchmark]: Toolchain (without parser) took 529253.36 ms. Allocated memory was 399.0 MB in the beginning and 1.2 GB in the end (delta: 818.4 MB). Free memory was 336.8 MB in the beginning and 628.0 MB in the end (delta: -291.2 MB). Peak memory consumption was 527.3 MB. Max. memory is 5.3 GB. [2018-04-12 13:47:25,806 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 399.0 MB. Free memory is still 360.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 13:47:25,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 399.0 MB. Free memory was 335.5 MB in the beginning and 306.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. [2018-04-12 13:47:25,807 INFO L168 Benchmark]: Boogie Preprocessor took 51.23 ms. Allocated memory is still 399.0 MB. Free memory was 306.3 MB in the beginning and 303.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 13:47:25,807 INFO L168 Benchmark]: RCFGBuilder took 706.33 ms. Allocated memory was 399.0 MB in the beginning and 601.4 MB in the end (delta: 202.4 MB). Free memory was 303.7 MB in the beginning and 475.5 MB in the end (delta: -171.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 5.3 GB. [2018-04-12 13:47:25,807 INFO L168 Benchmark]: TraceAbstraction took 528211.54 ms. Allocated memory was 601.4 MB in the beginning and 1.2 GB in the end (delta: 616.0 MB). Free memory was 475.5 MB in the beginning and 628.0 MB in the end (delta: -152.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 5.3 GB. [2018-04-12 13:47:25,808 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 399.0 MB. Free memory is still 360.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 399.0 MB. Free memory was 335.5 MB in the beginning and 306.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.23 ms. Allocated memory is still 399.0 MB. Free memory was 306.3 MB in the beginning and 303.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 706.33 ms. Allocated memory was 399.0 MB in the beginning and 601.4 MB in the end (delta: 202.4 MB). Free memory was 303.7 MB in the beginning and 475.5 MB in the end (delta: -171.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 528211.54 ms. Allocated memory was 601.4 MB in the beginning and 1.2 GB in the end (delta: 616.0 MB). Free memory was 475.5 MB in the beginning and 628.0 MB in the end (delta: -152.5 MB). Peak memory consumption was 463.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_69 term size 68 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_69 term size 68: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_13-47-25-812.csv Received shutdown request...