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_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:55:23,941 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:55:23,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:55:23,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:55:23,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:55:23,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:55:23,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:55:23,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:55:23,965 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:55:23,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:55:23,966 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:55:23,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:55:23,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:55:23,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:55:23,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:55:23,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:55:23,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:55:23,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:55:23,975 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:55:23,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:55:23,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:55:23,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:55:23,978 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:55:23,979 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:55:23,980 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:55:23,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:55:23,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:55:23,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:55:23,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:55:23,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:55:23,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:55:23,984 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:55:24,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:55:24,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:55:24,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:55:24,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:55:24,006 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:55:24,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:55:24,007 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:55:24,007 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:55:24,007 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:55:24,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:55:24,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:55:24,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:55:24,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:55:24,008 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:55:24,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:55:24,049 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:55:24,052 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:55:24,053 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:55:24,054 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:55:24,054 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 [2018-04-11 15:55:24,370 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG146a42964 [2018-04-11 15:55:24,505 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:55:24,505 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:55:24,506 INFO L168 CDTParser]: Scanning split_list_test05_false-valid-deref.i [2018-04-11 15:55:24,513 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:55:24,514 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:55:24,514 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,514 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in split_list_test05_false-valid-deref.i [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,514 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:55:24,514 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,515 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,516 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,517 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,518 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,519 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,520 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,521 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,522 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,523 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,524 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 [2018-04-11 15:55:24,525 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 [2018-04-11 15:55:24,525 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 [2018-04-11 15:55:24,538 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG146a42964 [2018-04-11 15:55:24,541 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:55:24,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:55:24,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:55:24,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:55:24,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:55:24,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b3fb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24, skipping insertion in model container [2018-04-11 15:55:24,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,564 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:55:24,587 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:55:24,724 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:55:24,776 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:55:24,782 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 121 non ball SCCs. Number of states in SCCs 121. [2018-04-11 15:55:24,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24 WrapperNode [2018-04-11 15:55:24,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:55:24,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:55:24,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:55:24,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:55:24,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (1/1) ... [2018-04-11 15:55:24,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:55:24,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:55:24,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:55:24,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:55:24,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (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 [2018-04-11 15:55:24,966 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:55:24,966 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:55:24,966 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-11 15:55:24,967 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-11 15:55:24,967 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-11 15:55:24,967 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-11 15:55:24,967 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-11 15:55:24,967 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:55:24,967 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:55:24,968 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:55:24,969 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:55:24,970 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:55:24,971 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:55:24,972 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:55:24,973 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:55:24,974 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:55:24,975 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:55:24,976 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:55:24,977 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 15:55:24,978 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:55:24,979 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:55:25,662 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:55:25,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:55:25 BoogieIcfgContainer [2018-04-11 15:55:25,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:55:25,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:55:25,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:55:25,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:55:25,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:55:24" (1/3) ... [2018-04-11 15:55:25,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c290d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:55:25, skipping insertion in model container [2018-04-11 15:55:25,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:55:24" (2/3) ... [2018-04-11 15:55:25,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c290d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:55:25, skipping insertion in model container [2018-04-11 15:55:25,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:55:25" (3/3) ... [2018-04-11 15:55:25,668 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-04-11 15:55:25,675 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:55:25,682 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-04-11 15:55:25,713 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:55:25,714 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:55:25,714 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:55:25,714 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:55:25,714 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:55:25,714 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:55:25,714 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:55:25,715 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:55:25,715 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:55:25,715 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:55:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2018-04-11 15:55:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 15:55:25,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:25,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:25,739 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]=== [2018-04-11 15:55:25,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216059, now seen corresponding path program 1 times [2018-04-11 15:55:25,745 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:25,745 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:25,782 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:25,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:25,782 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:25,819 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:25,877 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:25,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:55:25,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:55:25,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:55:25,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:55:25,892 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2018-04-11 15:55:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:26,232 INFO L93 Difference]: Finished difference Result 411 states and 456 transitions. [2018-04-11 15:55:26,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:55:26,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 15:55:26,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:26,244 INFO L225 Difference]: With dead ends: 411 [2018-04-11 15:55:26,244 INFO L226 Difference]: Without dead ends: 408 [2018-04-11 15:55:26,245 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 [2018-04-11 15:55:26,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-04-11 15:55:26,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 357. [2018-04-11 15:55:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-04-11 15:55:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 401 transitions. [2018-04-11 15:55:26,288 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 401 transitions. Word has length 8 [2018-04-11 15:55:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:26,288 INFO L459 AbstractCegarLoop]: Abstraction has 357 states and 401 transitions. [2018-04-11 15:55:26,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:55:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 401 transitions. [2018-04-11 15:55:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 15:55:26,289 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:26,289 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:26,289 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]=== [2018-04-11 15:55:26,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216058, now seen corresponding path program 1 times [2018-04-11 15:55:26,289 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:26,289 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:26,290 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:26,290 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:26,301 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:26,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:26,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:55:26,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:55:26,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:55:26,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:55:26,340 INFO L87 Difference]: Start difference. First operand 357 states and 401 transitions. Second operand 4 states. [2018-04-11 15:55:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:26,509 INFO L93 Difference]: Finished difference Result 359 states and 405 transitions. [2018-04-11 15:55:26,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:55:26,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 15:55:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:26,511 INFO L225 Difference]: With dead ends: 359 [2018-04-11 15:55:26,511 INFO L226 Difference]: Without dead ends: 359 [2018-04-11 15:55:26,512 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 [2018-04-11 15:55:26,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-11 15:55:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-04-11 15:55:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-04-11 15:55:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 399 transitions. [2018-04-11 15:55:26,526 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 399 transitions. Word has length 8 [2018-04-11 15:55:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:26,526 INFO L459 AbstractCegarLoop]: Abstraction has 355 states and 399 transitions. [2018-04-11 15:55:26,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:55:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 399 transitions. [2018-04-11 15:55:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 15:55:26,527 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:26,527 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:26,527 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]=== [2018-04-11 15:55:26,527 INFO L82 PathProgramCache]: Analyzing trace with hash 826773366, now seen corresponding path program 1 times [2018-04-11 15:55:26,527 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:26,528 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:26,528 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:26,528 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:26,542 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:26,570 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:26,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:55:26,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:55:26,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:55:26,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:55:26,571 INFO L87 Difference]: Start difference. First operand 355 states and 399 transitions. Second operand 4 states. [2018-04-11 15:55:26,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:26,763 INFO L93 Difference]: Finished difference Result 350 states and 394 transitions. [2018-04-11 15:55:26,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:55:26,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-11 15:55:26,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:26,764 INFO L225 Difference]: With dead ends: 350 [2018-04-11 15:55:26,765 INFO L226 Difference]: Without dead ends: 350 [2018-04-11 15:55:26,765 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 [2018-04-11 15:55:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-11 15:55:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-04-11 15:55:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-11 15:55:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2018-04-11 15:55:26,775 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 18 [2018-04-11 15:55:26,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:26,775 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2018-04-11 15:55:26,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:55:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2018-04-11 15:55:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 15:55:26,776 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:26,776 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:26,779 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, 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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, __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]=== [2018-04-11 15:55:26,779 INFO L82 PathProgramCache]: Analyzing trace with hash 826773367, now seen corresponding path program 1 times [2018-04-11 15:55:26,779 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:26,779 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:26,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:26,781 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:26,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:26,827 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:26,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:55:26,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:55:26,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:55:26,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:55:26,827 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 4 states. [2018-04-11 15:55:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:26,975 INFO L93 Difference]: Finished difference Result 345 states and 389 transitions. [2018-04-11 15:55:26,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:55:26,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-11 15:55:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:26,977 INFO L225 Difference]: With dead ends: 345 [2018-04-11 15:55:26,977 INFO L226 Difference]: Without dead ends: 345 [2018-04-11 15:55:26,977 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 [2018-04-11 15:55:26,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-11 15:55:26,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-04-11 15:55:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-04-11 15:55:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 389 transitions. [2018-04-11 15:55:26,984 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 389 transitions. Word has length 18 [2018-04-11 15:55:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:26,985 INFO L459 AbstractCegarLoop]: Abstraction has 345 states and 389 transitions. [2018-04-11 15:55:26,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:55:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 389 transitions. [2018-04-11 15:55:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:55:26,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:26,985 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:26,985 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]=== [2018-04-11 15:55:26,985 INFO L82 PathProgramCache]: Analyzing trace with hash -139829100, now seen corresponding path program 1 times [2018-04-11 15:55:26,985 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:26,985 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:26,986 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:26,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:26,986 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:27,001 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:27,006 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:55:27,006 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:55:27,006 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:55:27,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:27,042 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:55:27,064 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 [2018-04-11 15:55:27,065 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,066 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:55:27,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 15:55:27,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,088 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. [2018-04-11 15:55:27,088 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-11 15:55:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:27,101 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:27,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:55:27,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:55:27,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:55:27,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:55:27,101 INFO L87 Difference]: Start difference. First operand 345 states and 389 transitions. Second operand 7 states. [2018-04-11 15:55:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:27,648 INFO L93 Difference]: Finished difference Result 388 states and 433 transitions. [2018-04-11 15:55:27,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:55:27,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-04-11 15:55:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:27,650 INFO L225 Difference]: With dead ends: 388 [2018-04-11 15:55:27,650 INFO L226 Difference]: Without dead ends: 388 [2018-04-11 15:55:27,650 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:55:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-11 15:55:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 337. [2018-04-11 15:55:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-11 15:55:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-04-11 15:55:27,666 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 19 [2018-04-11 15:55:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:27,667 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-04-11 15:55:27,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:55:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-04-11 15:55:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:55:27,667 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:27,667 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:55:27,668 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, __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]=== [2018-04-11 15:55:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash -139829099, now seen corresponding path program 1 times [2018-04-11 15:55:27,668 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:27,668 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:27,669 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:27,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:27,669 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:27,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:27,685 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:55:27,685 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:55:27,685 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:55:27,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:27,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:55:27,720 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 [2018-04-11 15:55:27,720 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,729 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 [2018-04-11 15:55:27,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,735 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:55:27,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-11 15:55:27,793 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,806 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,806 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:27,807 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 [2018-04-11 15:55:27,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:27,814 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. [2018-04-11 15:55:27,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-11 15:55:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:27,839 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:27,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:55:27,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:55:27,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:55:27,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:55:27,840 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 8 states. [2018-04-11 15:55:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:28,594 INFO L93 Difference]: Finished difference Result 379 states and 424 transitions. [2018-04-11 15:55:28,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:55:28,598 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 15:55:28,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:28,600 INFO L225 Difference]: With dead ends: 379 [2018-04-11 15:55:28,600 INFO L226 Difference]: Without dead ends: 379 [2018-04-11 15:55:28,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 15:55:28,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-04-11 15:55:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2018-04-11 15:55:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-04-11 15:55:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 372 transitions. [2018-04-11 15:55:28,608 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 372 transitions. Word has length 19 [2018-04-11 15:55:28,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:28,608 INFO L459 AbstractCegarLoop]: Abstraction has 329 states and 372 transitions. [2018-04-11 15:55:28,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:55:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 372 transitions. [2018-04-11 15:55:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:55:28,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:28,609 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] [2018-04-11 15:55:28,609 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, __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]=== [2018-04-11 15:55:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash 438458257, now seen corresponding path program 1 times [2018-04-11 15:55:28,610 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:28,610 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:28,611 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:28,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:28,611 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:28,623 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:28,627 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:55:28,627 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:55:28,627 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:55:28,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:28,663 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:55:28,675 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 [2018-04-11 15:55:28,677 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 [2018-04-11 15:55:28,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,679 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,688 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 [2018-04-11 15:55:28,690 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 [2018-04-11 15:55:28,690 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,691 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,695 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2018-04-11 15:55:28,704 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 [2018-04-11 15:55:28,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,709 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 [2018-04-11 15:55:28,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 15:55:28,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,723 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 [2018-04-11 15:55:28,724 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,727 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,732 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-11 15:55:28,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-11 15:55:28,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:28,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-11 15:55:28,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-11 15:55:28,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:28,783 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:28,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-11 15:55:28,784 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:28,790 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:59, output treesize:7 [2018-04-11 15:55:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:28,803 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:28,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 15:55:28,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 15:55:28,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 15:55:28,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:55:28,804 INFO L87 Difference]: Start difference. First operand 329 states and 372 transitions. Second operand 10 states. [2018-04-11 15:55:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:29,175 INFO L93 Difference]: Finished difference Result 346 states and 392 transitions. [2018-04-11 15:55:29,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 15:55:29,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-11 15:55:29,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:29,177 INFO L225 Difference]: With dead ends: 346 [2018-04-11 15:55:29,177 INFO L226 Difference]: Without dead ends: 346 [2018-04-11 15:55:29,178 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-04-11 15:55:29,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-11 15:55:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 340. [2018-04-11 15:55:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-11 15:55:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 385 transitions. [2018-04-11 15:55:29,185 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 385 transitions. Word has length 28 [2018-04-11 15:55:29,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:29,185 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 385 transitions. [2018-04-11 15:55:29,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 15:55:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 385 transitions. [2018-04-11 15:55:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 15:55:29,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:29,186 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] [2018-04-11 15:55:29,186 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]=== [2018-04-11 15:55:29,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1482101612, now seen corresponding path program 1 times [2018-04-11 15:55:29,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:29,186 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:29,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:29,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:29,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:29,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:29,355 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:55:29,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 15:55:29,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:55:29,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:55:29,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:55:29,355 INFO L87 Difference]: Start difference. First operand 340 states and 385 transitions. Second operand 9 states. [2018-04-11 15:55:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:29,591 INFO L93 Difference]: Finished difference Result 344 states and 389 transitions. [2018-04-11 15:55:29,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:55:29,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-11 15:55:29,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:29,593 INFO L225 Difference]: With dead ends: 344 [2018-04-11 15:55:29,593 INFO L226 Difference]: Without dead ends: 344 [2018-04-11 15:55:29,593 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 [2018-04-11 15:55:29,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-04-11 15:55:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2018-04-11 15:55:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-11 15:55:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 387 transitions. [2018-04-11 15:55:29,600 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 387 transitions. Word has length 30 [2018-04-11 15:55:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:29,600 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 387 transitions. [2018-04-11 15:55:29,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:55:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 387 transitions. [2018-04-11 15:55:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 15:55:29,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:29,601 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] [2018-04-11 15:55:29,602 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, 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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]=== [2018-04-11 15:55:29,602 INFO L82 PathProgramCache]: Analyzing trace with hash 52121681, now seen corresponding path program 1 times [2018-04-11 15:55:29,602 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:29,602 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:29,603 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:29,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:29,603 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:29,620 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:29,626 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:55:29,627 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:55:29,627 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:55:29,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:29,692 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:55:29,695 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 [2018-04-11 15:55:29,696 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,700 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:55:29,768 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 [2018-04-11 15:55:29,769 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 [2018-04-11 15:55:29,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:29,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:38 [2018-04-11 15:55:29,816 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 [2018-04-11 15:55:29,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-11 15:55:29,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:29,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:47 [2018-04-11 15:55:29,897 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 64 treesize of output 61 [2018-04-11 15:55:29,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:29,901 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 57 treesize of output 72 [2018-04-11 15:55:29,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:29,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:29,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:29,939 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 44 treesize of output 63 [2018-04-11 15:55:29,940 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:55:29,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:55:30,014 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-11 15:55:30,015 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:81, output treesize:117 [2018-04-11 15:55:30,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,073 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 79 treesize of output 83 [2018-04-11 15:55:30,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:30,107 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:128, output treesize:72 [2018-04-11 15:55:30,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,182 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,183 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 [2018-04-11 15:55:30,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:30,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:91 [2018-04-11 15:55:30,276 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 [2018-04-11 15:55:30,278 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 [2018-04-11 15:55:30,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:30,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:104, output treesize:91 [2018-04-11 15:55:30,389 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 [2018-04-11 15:55:30,392 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 [2018-04-11 15:55:30,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:30,413 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:104, output treesize:100 [2018-04-11 15:55:30,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-04-11 15:55:30,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:30,456 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 [2018-04-11 15:55:30,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,463 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:30,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-04-11 15:55:30,464 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,469 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 [2018-04-11 15:55:30,469 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:30,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:30,480 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:109, output treesize:28 [2018-04-11 15:55:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:30,508 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:55:30,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 15:55:30,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 15:55:30,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 15:55:30,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2018-04-11 15:55:30,509 INFO L87 Difference]: Start difference. First operand 342 states and 387 transitions. Second operand 20 states. [2018-04-11 15:55:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:55:35,987 INFO L93 Difference]: Finished difference Result 509 states and 610 transitions. [2018-04-11 15:55:35,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 15:55:35,987 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 47 [2018-04-11 15:55:35,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:55:35,990 INFO L225 Difference]: With dead ends: 509 [2018-04-11 15:55:35,990 INFO L226 Difference]: Without dead ends: 509 [2018-04-11 15:55:35,990 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=195, Invalid=1065, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 15:55:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-04-11 15:55:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 389. [2018-04-11 15:55:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-04-11 15:55:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 484 transitions. [2018-04-11 15:55:35,997 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 484 transitions. Word has length 47 [2018-04-11 15:55:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:55:35,997 INFO L459 AbstractCegarLoop]: Abstraction has 389 states and 484 transitions. [2018-04-11 15:55:35,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 15:55:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 484 transitions. [2018-04-11 15:55:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 15:55:35,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:55:35,998 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] [2018-04-11 15:55:35,998 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]=== [2018-04-11 15:55:35,998 INFO L82 PathProgramCache]: Analyzing trace with hash 52121682, now seen corresponding path program 1 times [2018-04-11 15:55:35,998 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:55:35,998 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:55:35,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:35,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:35,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:55:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:36,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:55:36,026 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:55:36,026 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:55:36,026 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:55:36,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:55:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:55:36,103 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:55:36,106 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 [2018-04-11 15:55:36,107 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,110 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:55:36,123 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 [2018-04-11 15:55:36,125 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 [2018-04-11 15:55:36,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-11 15:55:36,152 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 [2018-04-11 15:55:36,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,159 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-04-11 15:55:36,423 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 [2018-04-11 15:55:36,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 15:55:36,425 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:36,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:36,444 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:72 [2018-04-11 15:55:42,594 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 [2018-04-11 15:55:42,597 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 [2018-04-11 15:55:42,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:42,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:42,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:42,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:105, output treesize:101 [2018-04-11 15:55:42,707 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 125 treesize of output 116 [2018-04-11 15:55:42,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:42,713 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 118 treesize of output 133 [2018-04-11 15:55:42,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:42,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:42,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:42,802 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 99 treesize of output 91 [2018-04-11 15:55:42,803 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:55:42,867 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:55:42,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-11 15:55:42,923 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:158, output treesize:238 [2018-04-11 15:55:43,045 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-11 15:55:43,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,078 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-04-11 15:55:43,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,133 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:43,133 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2018-04-11 15:55:43,136 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:43,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-04-11 15:55:43,137 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,148 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 47 treesize of output 48 [2018-04-11 15:55:43,150 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 21 treesize of output 24 [2018-04-11 15:55:43,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-04-11 15:55:43,153 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,157 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,163 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,186 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:43,186 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:267, output treesize:156 [2018-04-11 15:55:43,307 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,308 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 18 treesize of output 27 [2018-04-11 15:55:43,308 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,337 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-04-11 15:55:43,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,356 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. [2018-04-11 15:55:43,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:170, output treesize:162 [2018-04-11 15:55:43,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 144 [2018-04-11 15:55:43,496 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 [2018-04-11 15:55:43,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,542 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 129 treesize of output 127 [2018-04-11 15:55:43,544 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 [2018-04-11 15:55:43,544 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,555 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:43,579 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:188, output treesize:162 [2018-04-11 15:55:43,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 142 [2018-04-11 15:55:43,601 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 [2018-04-11 15:55:43,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,645 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 127 treesize of output 125 [2018-04-11 15:55:43,647 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 [2018-04-11 15:55:43,647 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:43,680 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:181, output treesize:173 [2018-04-11 15:55:43,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 113 [2018-04-11 15:55:43,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,740 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 [2018-04-11 15:55:43,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,752 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:43,752 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 71 treesize of output 51 [2018-04-11 15:55:43,753 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,759 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,781 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 72 treesize of output 66 [2018-04-11 15:55:43,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-11 15:55:43,784 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:43,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:55:43,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:55:43,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-11 15:55:43,793 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,797 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:55:43,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:55:43,806 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:191, output treesize:21 [2018-04-11 15:55:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:55:43,853 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:55:43,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 15:55:43,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 15:55:43,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 15:55:43,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=572, Unknown=4, NotChecked=0, Total=650 [2018-04-11 15:55:43,854 INFO L87 Difference]: Start difference. First operand 389 states and 484 transitions. Second operand 26 states. [2018-04-11 15:56:07,028 WARN L151 SmtUtils]: Spent 2115ms on a formula simplification. DAG size of input: 61 DAG size of output 53 [2018-04-11 15:57:14,350 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 123 DAG size of output 119 [2018-04-11 15:57:52,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:57:52,482 INFO L93 Difference]: Finished difference Result 528 states and 710 transitions. [2018-04-11 15:57:52,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 15:57:52,483 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-04-11 15:57:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:57:52,485 INFO L225 Difference]: With dead ends: 528 [2018-04-11 15:57:52,485 INFO L226 Difference]: Without dead ends: 528 [2018-04-11 15:57:52,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 37.1s TimeCoverageRelationStatistics Valid=312, Invalid=1929, Unknown=15, NotChecked=0, Total=2256 [2018-04-11 15:57:52,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-04-11 15:57:52,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 450. [2018-04-11 15:57:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-11 15:57:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 624 transitions. [2018-04-11 15:57:52,502 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 624 transitions. Word has length 47 [2018-04-11 15:57:52,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:57:52,503 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 624 transitions. [2018-04-11 15:57:52,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 15:57:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 624 transitions. [2018-04-11 15:57:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 15:57:52,504 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:57:52,505 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:57:52,505 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]=== [2018-04-11 15:57:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash -78184728, now seen corresponding path program 1 times [2018-04-11 15:57:52,505 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:57:52,505 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:57:52,506 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:52,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:52,506 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:52,531 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:57:52,538 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:57:52,539 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:57:52,539 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:57:52,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:52,646 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:57:52,711 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 [2018-04-11 15:57:52,713 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 [2018-04-11 15:57:52,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,722 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. [2018-04-11 15:57:52,722 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:23 [2018-04-11 15:57:52,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:52,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:52,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:52,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 48 [2018-04-11 15:57:52,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,786 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. [2018-04-11 15:57:52,786 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:45 [2018-04-11 15:57:52,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-04-11 15:57:52,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 15:57:52,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:57:52,893 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:60 [2018-04-11 15:57:52,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2018-04-11 15:57:52,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:52,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-11 15:57:52,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,949 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:52,962 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. [2018-04-11 15:57:52,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:73, output treesize:69 [2018-04-11 15:57:52,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-04-11 15:57:52,992 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:57:52,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-04-11 15:57:52,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:53,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:53,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 18 [2018-04-11 15:57:53,026 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:53,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:53,042 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. [2018-04-11 15:57:53,042 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:78, output treesize:24 [2018-04-11 15:57:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-11 15:57:53,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:57:53,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 15:57:53,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 15:57:53,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 15:57:53,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-04-11 15:57:53,077 INFO L87 Difference]: Start difference. First operand 450 states and 624 transitions. Second operand 17 states. [2018-04-11 15:57:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:57:54,747 INFO L93 Difference]: Finished difference Result 530 states and 709 transitions. [2018-04-11 15:57:54,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 15:57:54,747 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 66 [2018-04-11 15:57:54,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:57:54,750 INFO L225 Difference]: With dead ends: 530 [2018-04-11 15:57:54,750 INFO L226 Difference]: Without dead ends: 530 [2018-04-11 15:57:54,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2018-04-11 15:57:54,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-04-11 15:57:54,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 453. [2018-04-11 15:57:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-04-11 15:57:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 626 transitions. [2018-04-11 15:57:54,763 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 626 transitions. Word has length 66 [2018-04-11 15:57:54,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:57:54,763 INFO L459 AbstractCegarLoop]: Abstraction has 453 states and 626 transitions. [2018-04-11 15:57:54,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 15:57:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 626 transitions. [2018-04-11 15:57:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 15:57:54,765 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:57:54,765 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:57:54,765 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]=== [2018-04-11 15:57:54,765 INFO L82 PathProgramCache]: Analyzing trace with hash -78184727, now seen corresponding path program 1 times [2018-04-11 15:57:54,765 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:57:54,765 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:57:54,766 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:54,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:54,766 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:54,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:57:54,801 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:57:54,801 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:57:54,801 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:57:54,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:54,883 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:57:54,886 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 [2018-04-11 15:57:54,886 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:57:54,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-11 15:57:54,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,901 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-04-11 15:57:54,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:57:54,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:54,955 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:23 [2018-04-11 15:57:55,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 15:57:55,074 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 [2018-04-11 15:57:55,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,096 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 [2018-04-11 15:57:55,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 15:57:55,099 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,102 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:57:55,119 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:59, output treesize:69 [2018-04-11 15:57:55,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-04-11 15:57:55,149 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,162 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. [2018-04-11 15:57:55,162 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:75 [2018-04-11 15:57:55,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,249 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 37 treesize of output 46 [2018-04-11 15:57:55,250 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-04-11 15:57:55,273 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,290 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. [2018-04-11 15:57:55,290 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:78 [2018-04-11 15:57:55,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2018-04-11 15:57:55,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 15:57:55,469 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2018-04-11 15:57:55,501 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 [2018-04-11 15:57:55,501 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,509 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:57:55,526 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:113, output treesize:96 [2018-04-11 15:57:55,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 65 [2018-04-11 15:57:55,573 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 [2018-04-11 15:57:55,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 56 [2018-04-11 15:57:55,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,659 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:57:55,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 42 [2018-04-11 15:57:55,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,670 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,689 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 1 xjuncts. [2018-04-11 15:57:55,689 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:122, output treesize:95 [2018-04-11 15:57:55,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-04-11 15:57:55,733 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 [2018-04-11 15:57:55,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,740 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:57:55,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-04-11 15:57:55,741 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-11 15:57:55,765 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:57:55,766 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 26 treesize of output 16 [2018-04-11 15:57:55,766 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-11 15:57:55,799 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,800 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:57:55,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:57:55,814 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:113, output treesize:18 [2018-04-11 15:57:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:57:55,870 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:57:55,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 15:57:55,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 15:57:55,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 15:57:55,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=530, Unknown=1, NotChecked=0, Total=600 [2018-04-11 15:57:55,872 INFO L87 Difference]: Start difference. First operand 453 states and 626 transitions. Second operand 25 states. [2018-04-11 15:57:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:57:59,821 INFO L93 Difference]: Finished difference Result 573 states and 752 transitions. [2018-04-11 15:57:59,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 15:57:59,821 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-04-11 15:57:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:57:59,823 INFO L225 Difference]: With dead ends: 573 [2018-04-11 15:57:59,823 INFO L226 Difference]: Without dead ends: 573 [2018-04-11 15:57:59,824 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=423, Invalid=1928, Unknown=1, NotChecked=0, Total=2352 [2018-04-11 15:57:59,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-04-11 15:57:59,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 453. [2018-04-11 15:57:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-04-11 15:57:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 625 transitions. [2018-04-11 15:57:59,838 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 625 transitions. Word has length 66 [2018-04-11 15:57:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:57:59,839 INFO L459 AbstractCegarLoop]: Abstraction has 453 states and 625 transitions. [2018-04-11 15:57:59,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 15:57:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 625 transitions. [2018-04-11 15:57:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 15:57:59,840 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:57:59,840 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:57:59,841 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]=== [2018-04-11 15:57:59,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1147479585, now seen corresponding path program 1 times [2018-04-11 15:57:59,841 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:57:59,841 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:57:59,842 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:59,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:59,842 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:59,859 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:57:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-04-11 15:57:59,891 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:57:59,891 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:57:59,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:57:59,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:57:59,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:57:59,892 INFO L87 Difference]: Start difference. First operand 453 states and 625 transitions. Second operand 3 states. [2018-04-11 15:57:59,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:57:59,909 INFO L93 Difference]: Finished difference Result 448 states and 585 transitions. [2018-04-11 15:57:59,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:57:59,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2018-04-11 15:57:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:57:59,912 INFO L225 Difference]: With dead ends: 448 [2018-04-11 15:57:59,912 INFO L226 Difference]: Without dead ends: 448 [2018-04-11 15:57:59,912 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:57:59,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-04-11 15:57:59,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2018-04-11 15:57:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-04-11 15:57:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 585 transitions. [2018-04-11 15:57:59,923 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 585 transitions. Word has length 81 [2018-04-11 15:57:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:57:59,924 INFO L459 AbstractCegarLoop]: Abstraction has 448 states and 585 transitions. [2018-04-11 15:57:59,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:57:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 585 transitions. [2018-04-11 15:57:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-11 15:57:59,925 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:57:59,925 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:57:59,925 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__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]=== [2018-04-11 15:57:59,926 INFO L82 PathProgramCache]: Analyzing trace with hash 163495038, now seen corresponding path program 2 times [2018-04-11 15:57:59,926 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:57:59,926 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:57:59,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:59,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:57:59,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:57:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:57:59,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:57:59,956 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:57:59,956 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:57:59,956 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:57:59,957 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:58:00,055 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:58:00,055 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:58:00,063 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:58:00,066 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 [2018-04-11 15:58:00,066 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,072 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 [2018-04-11 15:58:00,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:58:00,135 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 15:58:00,137 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-11 15:58:00,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,152 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. [2018-04-11 15:58:00,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-04-11 15:58:00,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,180 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 [2018-04-11 15:58:00,180 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,194 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 17 treesize of output 30 [2018-04-11 15:58:00,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:00,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:24 [2018-04-11 15:58:00,311 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 [2018-04-11 15:58:00,313 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 10 treesize of output 9 [2018-04-11 15:58:00,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,329 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 [2018-04-11 15:58:00,331 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 [2018-04-11 15:58:00,331 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,333 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:00,346 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:49 [2018-04-11 15:58:00,382 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 [2018-04-11 15:58:00,385 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 [2018-04-11 15:58:00,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,424 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 [2018-04-11 15:58:00,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,427 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:00,427 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 33 treesize of output 63 [2018-04-11 15:58:00,427 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-04-11 15:58:00,441 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,448 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:00,462 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:75, output treesize:73 [2018-04-11 15:58:00,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 86 [2018-04-11 15:58:00,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 95 [2018-04-11 15:58:00,513 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 63 [2018-04-11 15:58:00,559 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:58:00,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:58:00,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 104 [2018-04-11 15:58:00,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 94 [2018-04-11 15:58:00,636 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,663 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,665 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:00,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-04-11 15:58:00,668 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:00,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 15:58:00,669 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,684 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-11 15:58:00,712 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:126, output treesize:165 [2018-04-11 15:58:00,820 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,820 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 15:58:00,821 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,843 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 17 treesize of output 30 [2018-04-11 15:58:00,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:00,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:00,862 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:121, output treesize:110 [2018-04-11 15:58:00,979 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,983 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,984 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:00,986 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 75 [2018-04-11 15:58:00,986 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,015 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-04-11 15:58:01,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:01,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:119, output treesize:107 [2018-04-11 15:58:01,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,205 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,210 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 93 treesize of output 101 [2018-04-11 15:58:01,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 15:58:01,213 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 70 [2018-04-11 15:58:01,256 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 [2018-04-11 15:58:01,256 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,263 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:01,284 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:144, output treesize:127 [2018-04-11 15:58:01,340 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,346 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 98 treesize of output 104 [2018-04-11 15:58:01,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 15:58:01,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 68 [2018-04-11 15:58:01,390 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 [2018-04-11 15:58:01,390 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,398 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:01,419 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:144, output treesize:136 [2018-04-11 15:58:01,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-11 15:58:01,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-04-11 15:58:01,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,486 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:01,486 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 47 treesize of output 31 [2018-04-11 15:58:01,486 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,506 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:01,509 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 40 treesize of output 42 [2018-04-11 15:58:01,511 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:01,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 15:58:01,512 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,515 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:01,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:01,523 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:154, output treesize:28 [2018-04-11 15:58:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-11 15:58:01,583 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:58:01,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 15:58:01,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 15:58:01,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 15:58:01,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=628, Unknown=6, NotChecked=0, Total=702 [2018-04-11 15:58:01,584 INFO L87 Difference]: Start difference. First operand 448 states and 585 transitions. Second operand 27 states. [2018-04-11 15:58:02,555 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 97 DAG size of output 71 [2018-04-11 15:58:02,872 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 141 DAG size of output 93 [2018-04-11 15:58:03,066 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 145 DAG size of output 119 [2018-04-11 15:58:03,265 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 157 DAG size of output 123 [2018-04-11 15:58:03,433 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 147 DAG size of output 121 [2018-04-11 15:58:03,652 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 156 DAG size of output 130 [2018-04-11 15:58:03,880 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 168 DAG size of output 140 [2018-04-11 15:58:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:58:07,514 INFO L93 Difference]: Finished difference Result 564 states and 708 transitions. [2018-04-11 15:58:07,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 15:58:07,514 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 83 [2018-04-11 15:58:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:58:07,516 INFO L225 Difference]: With dead ends: 564 [2018-04-11 15:58:07,516 INFO L226 Difference]: Without dead ends: 564 [2018-04-11 15:58:07,516 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=339, Invalid=1817, Unknown=6, NotChecked=0, Total=2162 [2018-04-11 15:58:07,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-04-11 15:58:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 343. [2018-04-11 15:58:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-04-11 15:58:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 401 transitions. [2018-04-11 15:58:07,524 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 401 transitions. Word has length 83 [2018-04-11 15:58:07,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:58:07,524 INFO L459 AbstractCegarLoop]: Abstraction has 343 states and 401 transitions. [2018-04-11 15:58:07,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 15:58:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 401 transitions. [2018-04-11 15:58:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-04-11 15:58:07,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:58:07,526 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] [2018-04-11 15:58:07,526 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__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]=== [2018-04-11 15:58:07,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1114924480, now seen corresponding path program 1 times [2018-04-11 15:58:07,526 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:58:07,526 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:58:07,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:58:07,527 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:58:07,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:58:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:58:07,563 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:58:07,591 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:58:07,591 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:58:07,591 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:58:07,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:58:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:58:07,940 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:58:08,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 15:58:08,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 15:58:08,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-11 15:58:08,078 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 [2018-04-11 15:58:08,081 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,081 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 [2018-04-11 15:58:08,081 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,093 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-11 15:58:08,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 15:58:08,130 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 [2018-04-11 15:58:08,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,177 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 [2018-04-11 15:58:08,178 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-11 15:58:08,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 15:58:08,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 15:58:08,250 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:41, output treesize:114 [2018-04-11 15:58:08,311 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 41 treesize of output 34 [2018-04-11 15:58:08,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,317 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 [2018-04-11 15:58:08,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,397 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 67 treesize of output 66 [2018-04-11 15:58:08,401 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,401 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 66 treesize of output 81 [2018-04-11 15:58:08,401 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,476 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 49 treesize of output 66 [2018-04-11 15:58:08,477 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-11 15:58:08,514 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:58:08,560 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 41 treesize of output 34 [2018-04-11 15:58:08,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,566 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 [2018-04-11 15:58:08,566 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,574 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,600 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. [2018-04-11 15:58:08,600 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:150, output treesize:166 [2018-04-11 15:58:08,663 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-11 15:58:08,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:08,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-04-11 15:58:08,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:08,704 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. [2018-04-11 15:58:08,704 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:198, output treesize:71 [2018-04-11 15:58:15,057 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base Int) (__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset Int) (__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset Int)) (let ((.cse0 (select |c_old(#memory_$Pointer$.base)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (and (<= __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (<= (select |c_old(#valid)| __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base) 0) (<= 0 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset) (= 0 (select .cse0 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset)) (= |c_#memory_$Pointer$.base| (let ((.cse1 (store |c_old(#memory_$Pointer$.base)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| (store (store .cse0 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base) (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset 4) __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base)))) (store .cse1 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base (store (store (select .cse1 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.base) (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 1) 0) (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 5) 0))))))) is different from true [2018-04-11 15:58:15,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-04-11 15:58:15,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,178 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,179 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 107 [2018-04-11 15:58:15,182 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,182 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:15,187 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:15,193 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 90 [2018-04-11 15:58:15,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,259 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:58:15,259 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 60 treesize of output 59 [2018-04-11 15:58:15,260 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,284 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 62 [2018-04-11 15:58:15,301 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 [2018-04-11 15:58:15,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:15,303 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 [2018-04-11 15:58:15,303 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,307 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,321 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,329 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:15,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:15,355 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:133, output treesize:95 [2018-04-11 15:58:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 529 proven. 43 refuted. 0 times theorem prover too weak. 880 trivial. 4 not checked. [2018-04-11 15:58:15,623 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:58:15,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 15:58:15,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 15:58:15,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 15:58:15,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=769, Unknown=8, NotChecked=56, Total=930 [2018-04-11 15:58:15,624 INFO L87 Difference]: Start difference. First operand 343 states and 401 transitions. Second operand 31 states. [2018-04-11 15:58:40,746 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 88 DAG size of output 77 [2018-04-11 15:58:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:58:50,773 INFO L93 Difference]: Finished difference Result 662 states and 795 transitions. [2018-04-11 15:58:50,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 15:58:50,774 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 266 [2018-04-11 15:58:50,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:58:50,776 INFO L225 Difference]: With dead ends: 662 [2018-04-11 15:58:50,776 INFO L226 Difference]: Without dead ends: 662 [2018-04-11 15:58:50,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=281, Invalid=2155, Unknown=18, NotChecked=96, Total=2550 [2018-04-11 15:58:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2018-04-11 15:58:50,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 401. [2018-04-11 15:58:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-11 15:58:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 513 transitions. [2018-04-11 15:58:50,787 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 513 transitions. Word has length 266 [2018-04-11 15:58:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:58:50,787 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 513 transitions. [2018-04-11 15:58:50,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 15:58:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 513 transitions. [2018-04-11 15:58:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-04-11 15:58:50,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:58:50,792 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:58:50,793 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__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]=== [2018-04-11 15:58:50,793 INFO L82 PathProgramCache]: Analyzing trace with hash 492119104, now seen corresponding path program 1 times [2018-04-11 15:58:50,793 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:58:50,793 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:58:50,794 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:58:50,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:58:50,794 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:58:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:58:50,837 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:58:50,865 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:58:50,865 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:58:50,865 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:58:50,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:58:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:58:51,532 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:58:51,612 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 [2018-04-11 15:58:51,613 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 [2018-04-11 15:58:51,614 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,622 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-11 15:58:51,641 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 [2018-04-11 15:58:51,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 15:58:51,643 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,647 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:51,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-04-11 15:58:51,685 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 [2018-04-11 15:58:51,688 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 [2018-04-11 15:58:51,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,718 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 [2018-04-11 15:58:51,718 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-11 15:58:51,743 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 15:58:51,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-11 15:58:51,766 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:128 [2018-04-11 15:58:51,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-04-11 15:58:51,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 52 [2018-04-11 15:58:51,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 46 [2018-04-11 15:58:51,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2018-04-11 15:58:51,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,906 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:58:51,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 74 [2018-04-11 15:58:51,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,966 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:51,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 69 [2018-04-11 15:58:51,981 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-11 15:58:52,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:52,025 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 [2018-04-11 15:58:52,026 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:52,052 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:58:52,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-04-11 15:58:52,092 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:188, output treesize:200 [2018-04-11 15:58:52,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:52,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:58:52,161 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 77 treesize of output 79 [2018-04-11 15:58:52,162 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:58:52,214 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:58:52,214 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:232, output treesize:73 Received shutdown request... [2018-04-11 15:58:52,294 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-11 15:58:52,294 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 15:58:52,300 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 15:58:52,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:58:52 BoogieIcfgContainer [2018-04-11 15:58:52,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:58:52,301 INFO L168 Benchmark]: Toolchain (without parser) took 207759.18 ms. Allocated memory was 403.2 MB in the beginning and 794.8 MB in the end (delta: 391.6 MB). Free memory was 331.5 MB in the beginning and 721.4 MB in the end (delta: -389.9 MB). Peak memory consumption was 1.7 MB. Max. memory is 5.3 GB. [2018-04-11 15:58:52,302 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 403.2 MB. Free memory is still 359.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:58:52,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.58 ms. Allocated memory is still 403.2 MB. Free memory was 330.9 MB in the beginning and 301.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-11 15:58:52,302 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 ms. Allocated memory is still 403.2 MB. Free memory was 301.9 MB in the beginning and 297.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-11 15:58:52,302 INFO L168 Benchmark]: RCFGBuilder took 787.80 ms. Allocated memory was 403.2 MB in the beginning and 593.0 MB in the end (delta: 189.8 MB). Free memory was 297.9 MB in the beginning and 468.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 5.3 GB. [2018-04-11 15:58:52,302 INFO L168 Benchmark]: TraceAbstraction took 206637.18 ms. Allocated memory was 593.0 MB in the beginning and 794.8 MB in the end (delta: 201.9 MB). Free memory was 468.3 MB in the beginning and 721.4 MB in the end (delta: -253.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:58:52,304 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 403.2 MB. Free memory is still 359.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 282.58 ms. Allocated memory is still 403.2 MB. Free memory was 330.9 MB in the beginning and 301.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.96 ms. Allocated memory is still 403.2 MB. Free memory was 301.9 MB in the beginning and 297.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 787.80 ms. Allocated memory was 403.2 MB in the beginning and 593.0 MB in the end (delta: 189.8 MB). Free memory was 297.9 MB in the beginning and 468.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 206637.18 ms. Allocated memory was 593.0 MB in the beginning and 794.8 MB in the end (delta: 201.9 MB). Free memory was 468.3 MB in the beginning and 721.4 MB in the end (delta: -253.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 599]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 599). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 611]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 611). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 630). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 612]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 612). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 603]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 603). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 564]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 564). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 621]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 621). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 565]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 565). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 562]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 562). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 616]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 616). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 626). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 565]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 565). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 611]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 611). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 617]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 617). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 600]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 600). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 617]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 617). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 564]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 564). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 616]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 616). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 622]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 622). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 602]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 602). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 603]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 603). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 622]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 622). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 600]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 600). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 621]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 621). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 626). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 627). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 630). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 602]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 602). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 599]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 599). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 612]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 612). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 627). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 558]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 558). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 558]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 558). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 275 with TraceHistMax 14, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 19 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 350 locations, 141 error locations. TIMEOUT Result, 206.5s OverallTime, 16 OverallIterations, 14 TraceHistogramMax, 183.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4577 SDtfs, 5633 SDslu, 17691 SDs, 0 SdLazy, 29386 SolverSat, 1390 SolverUnsat, 87 SolverUnknown, 0 SolverNotchecked, 131.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 487 SyntacticMatches, 8 SemanticMatches, 306 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 63.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=453occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1041 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 789 ConstructedInterpolants, 171 QuantifiedInterpolants, 1285221 SizeOfPredicates, 162 NumberOfNonLiveVariables, 3128 ConjunctsInSsa, 451 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1518/1666 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-58-52-310.csv 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_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-58-52-310.csv Completed graceful shutdown