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 0.1.23-408c70d-m [2018-04-13 06:50:09,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 06:50:09,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 06:50:09,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 06:50:09,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 06:50:09,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 06:50:09,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 06:50:09,763 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 06:50:09,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 06:50:09,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 06:50:09,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 06:50:09,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 06:50:09,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 06:50:09,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 06:50:09,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 06:50:09,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 06:50:09,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 06:50:09,769 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 06:50:09,770 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 06:50:09,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 06:50:09,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 06:50:09,772 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 06:50:09,772 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 06:50:09,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 06:50:09,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 06:50:09,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 06:50:09,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 06:50:09,776 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 06:50:09,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 06:50:09,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 06:50:09,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 06:50:09,777 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 [2018-04-13 06:50:09,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 06:50:09,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 06:50:09,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 06:50:09,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 06:50:09,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 06:50:09,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 06:50:09,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 06:50:09,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 06:50:09,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 06:50:09,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 06:50:09,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 06:50:09,790 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 06:50:09,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 06:50:09,790 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 06:50:09,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 06:50:09,829 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 06:50:09,832 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 06:50:09,833 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 06:50:09,833 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 06:50:09,834 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 [2018-04-13 06:50:10,195 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG500588c0e [2018-04-13 06:50:10,325 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 06:50:10,325 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 06:50:10,326 INFO L168 CDTParser]: Scanning split_list_test05_false-valid-deref.i [2018-04-13 06:50:10,333 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 06:50:10,334 INFO L215 ultiparseSymbolTable]: [2018-04-13 06:50:10,334 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 06:50:10,334 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 [2018-04-13 06:50:10,334 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 [2018-04-13 06:50:10,334 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 [2018-04-13 06:50:10,334 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 [2018-04-13 06:50:10,334 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in split_list_test05_false-valid-deref.i [2018-04-13 06:50:10,334 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 [2018-04-13 06:50:10,335 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,335 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,336 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,337 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,338 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,339 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,340 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,341 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,342 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,343 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,344 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 [2018-04-13 06:50:10,356 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG500588c0e [2018-04-13 06:50:10,359 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 06:50:10,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 06:50:10,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 06:50:10,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 06:50:10,364 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 06:50:10,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e63f6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10, skipping insertion in model container [2018-04-13 06:50:10,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,376 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:50:10,397 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:50:10,526 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:50:10,566 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:50:10,570 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 121 non ball SCCs. Number of states in SCCs 121. [2018-04-13 06:50:10,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10 WrapperNode [2018-04-13 06:50:10,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 06:50:10,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 06:50:10,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 06:50:10,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 06:50:10,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (1/1) ... [2018-04-13 06:50:10,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 06:50:10,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 06:50:10,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 06:50:10,650 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 06:50:10,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (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 [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-13 06:50:10,732 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 06:50:10,732 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 06:50:10,732 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 06:50:10,732 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 06:50:10,732 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_32 [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i____bswap_64 [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 06:50:10,733 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 06:50:10,734 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 06:50:10,735 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 06:50:10,736 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 06:50:10,737 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsHead [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__containsBody [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___false_valid_deref_i__append [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 06:50:10,738 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 06:50:10,739 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 06:50:11,336 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 06:50:11,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:50:11 BoogieIcfgContainer [2018-04-13 06:50:11,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 06:50:11,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 06:50:11,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 06:50:11,343 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 06:50:11,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:50:10" (1/3) ... [2018-04-13 06:50:11,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567c76a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:50:11, skipping insertion in model container [2018-04-13 06:50:11,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:50:10" (2/3) ... [2018-04-13 06:50:11,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567c76a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:50:11, skipping insertion in model container [2018-04-13 06:50:11,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:50:11" (3/3) ... [2018-04-13 06:50:11,346 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-04-13 06:50:11,355 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 06:50:11,362 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-04-13 06:50:11,398 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 06:50:11,399 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 06:50:11,399 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 06:50:11,399 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 06:50:11,399 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 06:50:11,399 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 06:50:11,399 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 06:50:11,399 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 06:50:11,399 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 06:50:11,400 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 06:50:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2018-04-13 06:50:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 06:50:11,429 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:11,430 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:11,430 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]=== [2018-04-13 06:50:11,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216059, now seen corresponding path program 1 times [2018-04-13 06:50:11,437 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:11,437 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:11,482 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:11,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:11,483 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:11,526 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:11,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:11,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:50:11,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:50:11,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:50:11,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:50:11,585 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2018-04-13 06:50:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:11,949 INFO L93 Difference]: Finished difference Result 411 states and 456 transitions. [2018-04-13 06:50:11,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:50:11,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 06:50:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:11,973 INFO L225 Difference]: With dead ends: 411 [2018-04-13 06:50:11,973 INFO L226 Difference]: Without dead ends: 408 [2018-04-13 06:50:11,974 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 [2018-04-13 06:50:11,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-04-13 06:50:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 357. [2018-04-13 06:50:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-04-13 06:50:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 401 transitions. [2018-04-13 06:50:12,017 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 401 transitions. Word has length 8 [2018-04-13 06:50:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:12,017 INFO L459 AbstractCegarLoop]: Abstraction has 357 states and 401 transitions. [2018-04-13 06:50:12,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:50:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 401 transitions. [2018-04-13 06:50:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 06:50:12,017 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:12,018 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:12,018 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]=== [2018-04-13 06:50:12,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216058, now seen corresponding path program 1 times [2018-04-13 06:50:12,019 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:12,019 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:12,019 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:12,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:12,030 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:12,065 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:12,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:50:12,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:50:12,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:50:12,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:50:12,067 INFO L87 Difference]: Start difference. First operand 357 states and 401 transitions. Second operand 4 states. [2018-04-13 06:50:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:12,285 INFO L93 Difference]: Finished difference Result 359 states and 405 transitions. [2018-04-13 06:50:12,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:50:12,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 06:50:12,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:12,287 INFO L225 Difference]: With dead ends: 359 [2018-04-13 06:50:12,287 INFO L226 Difference]: Without dead ends: 359 [2018-04-13 06:50:12,288 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 [2018-04-13 06:50:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-13 06:50:12,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-04-13 06:50:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-04-13 06:50:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 399 transitions. [2018-04-13 06:50:12,314 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 399 transitions. Word has length 8 [2018-04-13 06:50:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:12,315 INFO L459 AbstractCegarLoop]: Abstraction has 355 states and 399 transitions. [2018-04-13 06:50:12,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:50:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 399 transitions. [2018-04-13 06:50:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:50:12,315 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:12,315 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:12,316 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, 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__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]=== [2018-04-13 06:50:12,316 INFO L82 PathProgramCache]: Analyzing trace with hash 826773366, now seen corresponding path program 1 times [2018-04-13 06:50:12,316 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:12,316 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:12,317 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:12,317 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:12,331 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:12,363 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:12,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:50:12,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:50:12,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:50:12,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:50:12,364 INFO L87 Difference]: Start difference. First operand 355 states and 399 transitions. Second operand 4 states. [2018-04-13 06:50:12,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:12,536 INFO L93 Difference]: Finished difference Result 350 states and 394 transitions. [2018-04-13 06:50:12,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:50:12,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-13 06:50:12,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:12,537 INFO L225 Difference]: With dead ends: 350 [2018-04-13 06:50:12,538 INFO L226 Difference]: Without dead ends: 350 [2018-04-13 06:50:12,538 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 [2018-04-13 06:50:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-13 06:50:12,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-04-13 06:50:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-13 06:50:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2018-04-13 06:50:12,550 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 18 [2018-04-13 06:50:12,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:12,550 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2018-04-13 06:50:12,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:50:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2018-04-13 06:50:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 06:50:12,551 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:12,551 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:12,551 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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__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]=== [2018-04-13 06:50:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash 826773367, now seen corresponding path program 1 times [2018-04-13 06:50:12,551 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:12,551 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:12,552 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:12,552 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:12,564 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:12,589 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:12,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:50:12,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:50:12,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:50:12,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:50:12,590 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 4 states. [2018-04-13 06:50:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:12,770 INFO L93 Difference]: Finished difference Result 345 states and 389 transitions. [2018-04-13 06:50:12,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:50:12,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-13 06:50:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:12,771 INFO L225 Difference]: With dead ends: 345 [2018-04-13 06:50:12,771 INFO L226 Difference]: Without dead ends: 345 [2018-04-13 06:50:12,772 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 [2018-04-13 06:50:12,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-13 06:50:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-04-13 06:50:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-04-13 06:50:12,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 389 transitions. [2018-04-13 06:50:12,780 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 389 transitions. Word has length 18 [2018-04-13 06:50:12,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:12,781 INFO L459 AbstractCegarLoop]: Abstraction has 345 states and 389 transitions. [2018-04-13 06:50:12,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:50:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 389 transitions. [2018-04-13 06:50:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 06:50:12,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:12,781 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:12,783 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]=== [2018-04-13 06:50:12,783 INFO L82 PathProgramCache]: Analyzing trace with hash -139829100, now seen corresponding path program 1 times [2018-04-13 06:50:12,783 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:12,783 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:12,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:12,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:12,799 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:12,803 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:50:12,803 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:50:12,803 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:50:12,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:12,839 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:50:12,864 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 [2018-04-13 06:50:12,865 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:12,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:12,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:50:12,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:12,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:12,884 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 [2018-04-13 06:50:12,885 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:12,888 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. [2018-04-13 06:50:12,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-13 06:50:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:12,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:12,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 06:50:12,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 06:50:12,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 06:50:12,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-13 06:50:12,901 INFO L87 Difference]: Start difference. First operand 345 states and 389 transitions. Second operand 7 states. [2018-04-13 06:50:13,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:13,435 INFO L93 Difference]: Finished difference Result 388 states and 433 transitions. [2018-04-13 06:50:13,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 06:50:13,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-04-13 06:50:13,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:13,437 INFO L225 Difference]: With dead ends: 388 [2018-04-13 06:50:13,437 INFO L226 Difference]: Without dead ends: 388 [2018-04-13 06:50:13,438 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 [2018-04-13 06:50:13,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-13 06:50:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 337. [2018-04-13 06:50:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-13 06:50:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-04-13 06:50:13,445 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 19 [2018-04-13 06:50:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:13,446 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-04-13 06:50:13,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 06:50:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-04-13 06:50:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 06:50:13,446 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:13,447 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:50:13,447 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]=== [2018-04-13 06:50:13,447 INFO L82 PathProgramCache]: Analyzing trace with hash -139829099, now seen corresponding path program 1 times [2018-04-13 06:50:13,447 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:13,447 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:13,448 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:13,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:13,448 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:13,459 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:13,461 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:50:13,461 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:50:13,462 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:50:13,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:13,488 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:50:13,504 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 [2018-04-13 06:50:13,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:13,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:50:13,510 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:13,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:13,516 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:50:13,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:13,570 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:13,571 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 [2018-04-13 06:50:13,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:13,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:13,584 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:13,585 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 [2018-04-13 06:50:13,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:13,592 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. [2018-04-13 06:50:13,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-13 06:50:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:13,609 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:13,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 06:50:13,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 06:50:13,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 06:50:13,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-13 06:50:13,610 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 8 states. [2018-04-13 06:50:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:14,271 INFO L93 Difference]: Finished difference Result 379 states and 424 transitions. [2018-04-13 06:50:14,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 06:50:14,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-13 06:50:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:14,273 INFO L225 Difference]: With dead ends: 379 [2018-04-13 06:50:14,273 INFO L226 Difference]: Without dead ends: 379 [2018-04-13 06:50:14,274 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 [2018-04-13 06:50:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-04-13 06:50:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2018-04-13 06:50:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-04-13 06:50:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 372 transitions. [2018-04-13 06:50:14,282 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 372 transitions. Word has length 19 [2018-04-13 06:50:14,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:14,282 INFO L459 AbstractCegarLoop]: Abstraction has 329 states and 372 transitions. [2018-04-13 06:50:14,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 06:50:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 372 transitions. [2018-04-13 06:50:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 06:50:14,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:14,284 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] [2018-04-13 06:50:14,284 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]=== [2018-04-13 06:50:14,284 INFO L82 PathProgramCache]: Analyzing trace with hash 438458257, now seen corresponding path program 1 times [2018-04-13 06:50:14,285 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:14,285 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:14,285 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:14,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:14,286 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:14,298 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:14,301 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:50:14,301 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:50:14,301 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:50:14,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:14,337 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:50:14,363 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 [2018-04-13 06:50:14,364 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 [2018-04-13 06:50:14,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 06:50:14,373 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 [2018-04-13 06:50:14,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,374 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,378 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2018-04-13 06:50:14,388 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 [2018-04-13 06:50:14,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,390 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 [2018-04-13 06:50:14,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,403 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 [2018-04-13 06:50:14,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,405 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 [2018-04-13 06:50:14,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,409 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,414 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-13 06:50:14,450 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 [2018-04-13 06:50:14,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,453 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:14,453 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 [2018-04-13 06:50:14,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 06:50:14,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:14,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:14,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-13 06:50:14,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,470 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:14,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:59, output treesize:7 [2018-04-13 06:50:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:14,491 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:14,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-13 06:50:14,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 06:50:14,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 06:50:14,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-13 06:50:14,492 INFO L87 Difference]: Start difference. First operand 329 states and 372 transitions. Second operand 10 states. [2018-04-13 06:50:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:14,864 INFO L93 Difference]: Finished difference Result 346 states and 392 transitions. [2018-04-13 06:50:14,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 06:50:14,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-13 06:50:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:14,865 INFO L225 Difference]: With dead ends: 346 [2018-04-13 06:50:14,865 INFO L226 Difference]: Without dead ends: 346 [2018-04-13 06:50:14,865 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 [2018-04-13 06:50:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-13 06:50:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 340. [2018-04-13 06:50:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-13 06:50:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 385 transitions. [2018-04-13 06:50:14,873 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 385 transitions. Word has length 28 [2018-04-13 06:50:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:14,873 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 385 transitions. [2018-04-13 06:50:14,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 06:50:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 385 transitions. [2018-04-13 06:50:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-13 06:50:14,874 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:14,874 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] [2018-04-13 06:50:14,874 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]=== [2018-04-13 06:50:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1482101612, now seen corresponding path program 1 times [2018-04-13 06:50:14,874 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:14,875 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:14,875 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:14,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:14,875 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:14,888 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:15,000 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:50:15,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 06:50:15,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 06:50:15,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 06:50:15,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-13 06:50:15,001 INFO L87 Difference]: Start difference. First operand 340 states and 385 transitions. Second operand 9 states. [2018-04-13 06:50:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:15,269 INFO L93 Difference]: Finished difference Result 344 states and 389 transitions. [2018-04-13 06:50:15,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 06:50:15,269 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-13 06:50:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:15,270 INFO L225 Difference]: With dead ends: 344 [2018-04-13 06:50:15,271 INFO L226 Difference]: Without dead ends: 344 [2018-04-13 06:50:15,271 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 [2018-04-13 06:50:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-04-13 06:50:15,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2018-04-13 06:50:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-13 06:50:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 387 transitions. [2018-04-13 06:50:15,279 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 387 transitions. Word has length 30 [2018-04-13 06:50:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:15,280 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 387 transitions. [2018-04-13 06:50:15,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 06:50:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 387 transitions. [2018-04-13 06:50:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 06:50:15,281 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:15,281 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] [2018-04-13 06:50:15,281 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]=== [2018-04-13 06:50:15,281 INFO L82 PathProgramCache]: Analyzing trace with hash 52121681, now seen corresponding path program 1 times [2018-04-13 06:50:15,281 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:15,281 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:15,282 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:15,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:15,282 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:15,311 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:15,317 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:50:15,318 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:50:15,318 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:50:15,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:15,407 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:50:15,410 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 [2018-04-13 06:50:15,411 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,417 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:50:15,508 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 [2018-04-13 06:50:15,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 06:50:15,511 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,515 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,524 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. [2018-04-13 06:50:15,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:38 [2018-04-13 06:50:15,611 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 [2018-04-13 06:50:15,619 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 [2018-04-13 06:50:15,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,647 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. [2018-04-13 06:50:15,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:47 [2018-04-13 06:50:15,697 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 [2018-04-13 06:50:15,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:15,703 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 [2018-04-13 06:50:15,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:15,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:15,749 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 [2018-04-13 06:50:15,750 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:50:15,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:50:15,819 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. [2018-04-13 06:50:15,819 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:81, output treesize:117 [2018-04-13 06:50:15,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:15,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:15,897 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 [2018-04-13 06:50:15,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:15,932 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. [2018-04-13 06:50:15,933 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:128, output treesize:72 [2018-04-13 06:50:16,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:16,019 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:16,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:16,020 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 [2018-04-13 06:50:16,021 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,037 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. [2018-04-13 06:50:16,037 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:83, output treesize:91 [2018-04-13 06:50:16,129 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 [2018-04-13 06:50:16,132 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 [2018-04-13 06:50:16,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,154 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. [2018-04-13 06:50:16,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:104, output treesize:91 [2018-04-13 06:50:16,211 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 [2018-04-13 06:50:16,213 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 10 treesize of output 9 [2018-04-13 06:50:16,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,236 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. [2018-04-13 06:50:16,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:104, output treesize:100 [2018-04-13 06:50:16,279 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 [2018-04-13 06:50:16,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:16,284 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 [2018-04-13 06:50:16,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,294 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:16,295 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 [2018-04-13 06:50:16,295 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,301 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 [2018-04-13 06:50:16,301 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:16,313 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. [2018-04-13 06:50:16,313 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:109, output treesize:28 [2018-04-13 06:50:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:16,342 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:50:16,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 06:50:16,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 06:50:16,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 06:50:16,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2018-04-13 06:50:16,343 INFO L87 Difference]: Start difference. First operand 342 states and 387 transitions. Second operand 20 states. [2018-04-13 06:50:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:50:22,044 INFO L93 Difference]: Finished difference Result 509 states and 610 transitions. [2018-04-13 06:50:22,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 06:50:22,044 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 47 [2018-04-13 06:50:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:50:22,047 INFO L225 Difference]: With dead ends: 509 [2018-04-13 06:50:22,047 INFO L226 Difference]: Without dead ends: 509 [2018-04-13 06:50:22,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=195, Invalid=1065, Unknown=0, NotChecked=0, Total=1260 [2018-04-13 06:50:22,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-04-13 06:50:22,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 389. [2018-04-13 06:50:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-04-13 06:50:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 484 transitions. [2018-04-13 06:50:22,059 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 484 transitions. Word has length 47 [2018-04-13 06:50:22,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:50:22,060 INFO L459 AbstractCegarLoop]: Abstraction has 389 states and 484 transitions. [2018-04-13 06:50:22,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 06:50:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 484 transitions. [2018-04-13 06:50:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 06:50:22,061 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:50:22,061 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] [2018-04-13 06:50:22,061 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]=== [2018-04-13 06:50:22,061 INFO L82 PathProgramCache]: Analyzing trace with hash 52121682, now seen corresponding path program 1 times [2018-04-13 06:50:22,061 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:50:22,061 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:50:22,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:22,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:22,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:50:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:22,079 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:50:22,085 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:50:22,085 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:50:22,085 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:50:22,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:50:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:50:22,155 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:50:22,168 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 [2018-04-13 06:50:22,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,172 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:50:22,186 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 [2018-04-13 06:50:22,187 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 [2018-04-13 06:50:22,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 06:50:22,226 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 [2018-04-13 06:50:22,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-04-13 06:50:22,631 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 [2018-04-13 06:50:22,634 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 [2018-04-13 06:50:22,634 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:22,653 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. [2018-04-13 06:50:22,653 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:72 [2018-04-13 06:50:30,867 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 [2018-04-13 06:50:30,871 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 [2018-04-13 06:50:30,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:30,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:30,908 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. [2018-04-13 06:50:30,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:105, output treesize:101 [2018-04-13 06:50:30,974 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 [2018-04-13 06:50:30,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:30,978 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 [2018-04-13 06:50:30,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,046 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,056 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 [2018-04-13 06:50:31,057 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:50:31,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:50:31,193 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. [2018-04-13 06:50:31,193 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:158, output treesize:238 [2018-04-13 06:50:31,327 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:50:31,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,363 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 [2018-04-13 06:50:31,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,425 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:31,425 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 [2018-04-13 06:50:31,428 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:31,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,429 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 [2018-04-13 06:50:31,429 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,441 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 [2018-04-13 06:50:31,443 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 [2018-04-13 06:50:31,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,445 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 [2018-04-13 06:50:31,445 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,449 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,455 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,460 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,478 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. [2018-04-13 06:50:31,478 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:267, output treesize:156 [2018-04-13 06:50:31,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,626 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 [2018-04-13 06:50:31,626 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:31,657 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 [2018-04-13 06:50:31,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,678 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. [2018-04-13 06:50:31,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:170, output treesize:162 [2018-04-13 06:50:31,836 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 [2018-04-13 06:50:31,838 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 [2018-04-13 06:50:31,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,888 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 [2018-04-13 06:50:31,890 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 [2018-04-13 06:50:31,891 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,904 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,929 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. [2018-04-13 06:50:31,929 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:188, output treesize:162 [2018-04-13 06:50:31,941 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 [2018-04-13 06:50:31,943 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 [2018-04-13 06:50:31,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:31,990 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 [2018-04-13 06:50:31,992 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 [2018-04-13 06:50:31,992 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,003 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,026 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. [2018-04-13 06:50:32,026 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:181, output treesize:173 [2018-04-13 06:50:32,094 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 [2018-04-13 06:50:32,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:32,102 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 [2018-04-13 06:50:32,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,114 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:32,115 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 [2018-04-13 06:50:32,115 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,143 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 [2018-04-13 06:50:32,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:32,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-13 06:50:32,147 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,166 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:32,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:50:32,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:50:32,167 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 [2018-04-13 06:50:32,168 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,173 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:50:32,182 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. [2018-04-13 06:50:32,182 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:191, output treesize:21 [2018-04-13 06:50:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:50:32,231 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:50:32,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 06:50:32,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 06:50:32,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 06:50:32,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=572, Unknown=4, NotChecked=0, Total=650 [2018-04-13 06:50:32,232 INFO L87 Difference]: Start difference. First operand 389 states and 484 transitions. Second operand 26 states. [2018-04-13 06:50:55,529 WARN L151 SmtUtils]: Spent 2079ms on a formula simplification. DAG size of input: 61 DAG size of output 53 [2018-04-13 06:51:58,824 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 123 DAG size of output 119 [2018-04-13 06:52:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:52:37,624 INFO L93 Difference]: Finished difference Result 520 states and 699 transitions. [2018-04-13 06:52:37,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 06:52:37,624 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-04-13 06:52:37,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:52:37,627 INFO L225 Difference]: With dead ends: 520 [2018-04-13 06:52:37,627 INFO L226 Difference]: Without dead ends: 520 [2018-04-13 06:52:37,627 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=331, Invalid=2005, Unknown=16, NotChecked=0, Total=2352 [2018-04-13 06:52:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-04-13 06:52:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 432. [2018-04-13 06:52:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-04-13 06:52:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 586 transitions. [2018-04-13 06:52:37,641 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 586 transitions. Word has length 47 [2018-04-13 06:52:37,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:52:37,641 INFO L459 AbstractCegarLoop]: Abstraction has 432 states and 586 transitions. [2018-04-13 06:52:37,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 06:52:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 586 transitions. [2018-04-13 06:52:37,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-13 06:52:37,643 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:52:37,643 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:52:37,643 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]=== [2018-04-13 06:52:37,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1900946776, now seen corresponding path program 1 times [2018-04-13 06:52:37,643 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:52:37,644 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:52:37,644 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:37,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:37,644 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:37,654 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:52:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-13 06:52:37,671 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:52:37,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:52:37,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 06:52:37,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 06:52:37,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:52:37,671 INFO L87 Difference]: Start difference. First operand 432 states and 586 transitions. Second operand 3 states. [2018-04-13 06:52:37,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:52:37,678 INFO L93 Difference]: Finished difference Result 427 states and 546 transitions. [2018-04-13 06:52:37,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 06:52:37,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-04-13 06:52:37,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:52:37,679 INFO L225 Difference]: With dead ends: 427 [2018-04-13 06:52:37,679 INFO L226 Difference]: Without dead ends: 427 [2018-04-13 06:52:37,679 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 [2018-04-13 06:52:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-04-13 06:52:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-04-13 06:52:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-04-13 06:52:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 546 transitions. [2018-04-13 06:52:37,686 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 546 transitions. Word has length 62 [2018-04-13 06:52:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:52:37,686 INFO L459 AbstractCegarLoop]: Abstraction has 427 states and 546 transitions. [2018-04-13 06:52:37,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 06:52:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 546 transitions. [2018-04-13 06:52:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 06:52:37,687 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:52:37,687 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:52:37,687 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]=== [2018-04-13 06:52:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1409399285, now seen corresponding path program 2 times [2018-04-13 06:52:37,687 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:52:37,687 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:52:37,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:37,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:37,688 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:37,697 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:52:37,701 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:52:37,701 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:52:37,701 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:52:37,701 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:52:37,734 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:52:37,734 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:52:37,738 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:52:37,740 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 [2018-04-13 06:52:37,740 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:37,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:52:37,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:37,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:37,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:52:37,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:37,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:37,883 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 [2018-04-13 06:52:37,883 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:37,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:37,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:37,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-13 06:52:37,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:37,903 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. [2018-04-13 06:52:37,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:19 [2018-04-13 06:52:38,023 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 [2018-04-13 06:52:38,025 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 [2018-04-13 06:52:38,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,042 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 [2018-04-13 06:52:38,052 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 [2018-04-13 06:52:38,053 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,054 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:52:38,066 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:64, output treesize:56 [2018-04-13 06:52:38,103 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 [2018-04-13 06:52:38,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-04-13 06:52:38,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,145 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 38 treesize of output 48 [2018-04-13 06:52:38,148 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 39 treesize of output 38 [2018-04-13 06:52:38,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,169 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:52:38,185 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:82, output treesize:80 [2018-04-13 06:52:38,234 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 158 treesize of output 145 [2018-04-13 06:52:38,238 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,238 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 151 treesize of output 178 [2018-04-13 06:52:38,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,313 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 115 treesize of output 137 [2018-04-13 06:52:38,313 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:52:38,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:52:38,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 147 [2018-04-13 06:52:38,439 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 167 [2018-04-13 06:52:38,440 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,521 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,523 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:38,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 104 [2018-04-13 06:52:38,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,527 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:38,527 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 53 [2018-04-13 06:52:38,528 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,549 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:52:38,586 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:191, output treesize:208 [2018-04-13 06:52:38,666 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:52:38,666 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,728 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 42 [2018-04-13 06:52:38,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-04-13 06:52:38,762 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:52:38,795 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:234, output treesize:153 [2018-04-13 06:52:38,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,945 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 [2018-04-13 06:52:38,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:38,968 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 30 treesize of output 67 [2018-04-13 06:52:38,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:38,999 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. [2018-04-13 06:52:38,999 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:159, output treesize:147 [2018-04-13 06:52:39,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,208 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 125 treesize of output 133 [2018-04-13 06:52:39,210 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 [2018-04-13 06:52:39,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,257 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 116 treesize of output 137 [2018-04-13 06:52:39,259 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 [2018-04-13 06:52:39,260 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,273 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,297 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. [2018-04-13 06:52:39,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:165 [2018-04-13 06:52:39,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,400 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 134 treesize of output 140 [2018-04-13 06:52:39,403 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,404 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 [2018-04-13 06:52:39,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,457 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 116 treesize of output 137 [2018-04-13 06:52:39,459 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 [2018-04-13 06:52:39,459 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,472 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,498 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. [2018-04-13 06:52:39,498 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:191, output treesize:183 [2018-04-13 06:52:39,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,558 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 139 treesize of output 126 [2018-04-13 06:52:39,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2018-04-13 06:52:39,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,578 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 [2018-04-13 06:52:39,578 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,587 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:39,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-04-13 06:52:39,588 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,614 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,615 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,618 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 67 treesize of output 63 [2018-04-13 06:52:39,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:39,620 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 [2018-04-13 06:52:39,620 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,630 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:39,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-04-13 06:52:39,631 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,637 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 [2018-04-13 06:52:39,637 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,640 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:39,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:52:39,651 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:201, output treesize:31 [2018-04-13 06:52:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 06:52:39,710 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:52:39,710 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 06:52:39,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 06:52:39,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 06:52:39,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=682, Unknown=1, NotChecked=0, Total=756 [2018-04-13 06:52:39,711 INFO L87 Difference]: Start difference. First operand 427 states and 546 transitions. Second operand 28 states. [2018-04-13 06:52:42,334 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 132 DAG size of output 89 [2018-04-13 06:52:42,503 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 128 DAG size of output 90 [2018-04-13 06:52:42,756 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 136 DAG size of output 100 [2018-04-13 06:52:43,045 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 149 DAG size of output 106 [2018-04-13 06:52:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:52:47,387 INFO L93 Difference]: Finished difference Result 547 states and 672 transitions. [2018-04-13 06:52:47,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 06:52:47,387 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 64 [2018-04-13 06:52:47,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:52:47,389 INFO L225 Difference]: With dead ends: 547 [2018-04-13 06:52:47,389 INFO L226 Difference]: Without dead ends: 547 [2018-04-13 06:52:47,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=374, Invalid=1977, Unknown=1, NotChecked=0, Total=2352 [2018-04-13 06:52:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-04-13 06:52:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 391. [2018-04-13 06:52:47,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-13 06:52:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 485 transitions. [2018-04-13 06:52:47,400 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 485 transitions. Word has length 64 [2018-04-13 06:52:47,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:52:47,401 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 485 transitions. [2018-04-13 06:52:47,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 06:52:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 485 transitions. [2018-04-13 06:52:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-13 06:52:47,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:52:47,402 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] [2018-04-13 06:52:47,402 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]=== [2018-04-13 06:52:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash -78184728, now seen corresponding path program 1 times [2018-04-13 06:52:47,402 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:52:47,402 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:52:47,403 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:47,403 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:52:47,403 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:47,424 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:52:47,428 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:52:47,428 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:52:47,428 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:52:47,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:47,507 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:52:47,563 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 [2018-04-13 06:52:47,565 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 [2018-04-13 06:52:47,565 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,576 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. [2018-04-13 06:52:47,576 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:23 [2018-04-13 06:52:47,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:47,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:47,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:47,650 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 [2018-04-13 06:52:47,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,665 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. [2018-04-13 06:52:47,665 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:45 [2018-04-13 06:52:47,765 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 [2018-04-13 06:52:47,768 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 [2018-04-13 06:52:47,768 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,794 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. [2018-04-13 06:52:47,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:60 [2018-04-13 06:52:47,842 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 [2018-04-13 06:52:47,845 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:47,847 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 [2018-04-13 06:52:47,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,877 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. [2018-04-13 06:52:47,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:73, output treesize:69 [2018-04-13 06:52:47,918 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 [2018-04-13 06:52:47,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:47,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2018-04-13 06:52:47,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,932 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:47,932 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 25 treesize of output 17 [2018-04-13 06:52:47,932 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:47,948 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. [2018-04-13 06:52:47,948 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:78, output treesize:24 [2018-04-13 06:52:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-13 06:52:47,985 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:52:47,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 06:52:47,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 06:52:47,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 06:52:47,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-04-13 06:52:47,986 INFO L87 Difference]: Start difference. First operand 391 states and 485 transitions. Second operand 17 states. [2018-04-13 06:52:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:52:52,034 INFO L93 Difference]: Finished difference Result 467 states and 567 transitions. [2018-04-13 06:52:52,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 06:52:52,034 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 66 [2018-04-13 06:52:52,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:52:52,036 INFO L225 Difference]: With dead ends: 467 [2018-04-13 06:52:52,036 INFO L226 Difference]: Without dead ends: 467 [2018-04-13 06:52:52,037 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=232, Invalid=760, Unknown=0, NotChecked=0, Total=992 [2018-04-13 06:52:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-04-13 06:52:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 394. [2018-04-13 06:52:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-04-13 06:52:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2018-04-13 06:52:52,045 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 66 [2018-04-13 06:52:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:52:52,046 INFO L459 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2018-04-13 06:52:52,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 06:52:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2018-04-13 06:52:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-13 06:52:52,047 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:52:52,047 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] [2018-04-13 06:52:52,047 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]=== [2018-04-13 06:52:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash -78184727, now seen corresponding path program 1 times [2018-04-13 06:52:52,047 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:52:52,047 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:52:52,048 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:52,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:52,048 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:52,071 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:52:52,078 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:52:52,078 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:52:52,078 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:52:52,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:52,174 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:52:52,180 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 [2018-04-13 06:52:52,180 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,183 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:52:52,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 06:52:52,194 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,195 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-04-13 06:52:52,233 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 [2018-04-13 06:52:52,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,241 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:23 [2018-04-13 06:52:52,323 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 [2018-04-13 06:52:52,325 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 [2018-04-13 06:52:52,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,326 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,338 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 [2018-04-13 06:52:52,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 06:52:52,340 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,341 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,350 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. [2018-04-13 06:52:52,350 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:59, output treesize:69 [2018-04-13 06:52:52,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,369 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 [2018-04-13 06:52:52,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,382 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. [2018-04-13 06:52:52,382 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:75 [2018-04-13 06:52:52,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,442 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 [2018-04-13 06:52:52,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,458 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 [2018-04-13 06:52:52,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,469 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. [2018-04-13 06:52:52,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:78 [2018-04-13 06:52:52,581 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 [2018-04-13 06:52:52,583 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 [2018-04-13 06:52:52,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,590 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,610 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 [2018-04-13 06:52:52,612 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 [2018-04-13 06:52:52,612 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,616 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,631 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. [2018-04-13 06:52:52,631 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:113, output treesize:96 [2018-04-13 06:52:52,672 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 [2018-04-13 06:52:52,674 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 [2018-04-13 06:52:52,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,704 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 [2018-04-13 06:52:52,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,707 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:52,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 42 [2018-04-13 06:52:52,707 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,713 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,728 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. [2018-04-13 06:52:52,728 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:122, output treesize:95 [2018-04-13 06:52:52,764 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 [2018-04-13 06:52:52,766 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 [2018-04-13 06:52:52,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,774 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:52:52,774 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 [2018-04-13 06:52:52,775 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,795 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 [2018-04-13 06:52:52,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:52,798 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 [2018-04-13 06:52:52,798 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,802 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 [2018-04-13 06:52:52,802 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,804 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:52,812 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. [2018-04-13 06:52:52,812 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:113, output treesize:18 [2018-04-13 06:52:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:52:52,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:52:52,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 06:52:52,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 06:52:52,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 06:52:52,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=528, Unknown=3, NotChecked=0, Total=600 [2018-04-13 06:52:52,848 INFO L87 Difference]: Start difference. First operand 394 states and 487 transitions. Second operand 25 states. [2018-04-13 06:52:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:52:57,219 INFO L93 Difference]: Finished difference Result 511 states and 611 transitions. [2018-04-13 06:52:57,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 06:52:57,219 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-04-13 06:52:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:52:57,221 INFO L225 Difference]: With dead ends: 511 [2018-04-13 06:52:57,221 INFO L226 Difference]: Without dead ends: 511 [2018-04-13 06:52:57,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=423, Invalid=1926, Unknown=3, NotChecked=0, Total=2352 [2018-04-13 06:52:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-04-13 06:52:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 343. [2018-04-13 06:52:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-04-13 06:52:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 401 transitions. [2018-04-13 06:52:57,227 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 401 transitions. Word has length 66 [2018-04-13 06:52:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:52:57,227 INFO L459 AbstractCegarLoop]: Abstraction has 343 states and 401 transitions. [2018-04-13 06:52:57,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 06:52:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 401 transitions. [2018-04-13 06:52:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-04-13 06:52:57,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:52:57,230 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] [2018-04-13 06:52:57,230 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]=== [2018-04-13 06:52:57,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1114924480, now seen corresponding path program 1 times [2018-04-13 06:52:57,230 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:52:57,230 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:52:57,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:57,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:57,231 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:52:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:57,267 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:52:57,279 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:52:57,279 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:52:57,279 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:52:57,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:52:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:52:57,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:52:57,769 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 [2018-04-13 06:52:57,771 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 [2018-04-13 06:52:57,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,782 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-13 06:52:57,805 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 [2018-04-13 06:52:57,809 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:57,809 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 [2018-04-13 06:52:57,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,822 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-13 06:52:57,860 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 [2018-04-13 06:52:57,863 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 [2018-04-13 06:52:57,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:57,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:57,910 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 [2018-04-13 06:52:57,911 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:52:57,941 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:52:57,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:52:57,967 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:41, output treesize:114 [2018-04-13 06:52:58,016 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 [2018-04-13 06:52:58,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,020 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 [2018-04-13 06:52:58,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,074 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 [2018-04-13 06:52:58,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,078 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 [2018-04-13 06:52:58,078 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,121 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 53 treesize of output 63 [2018-04-13 06:52:58,121 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:52:58,145 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:52:58,177 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 [2018-04-13 06:52:58,178 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,181 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 [2018-04-13 06:52:58,181 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,187 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,216 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. [2018-04-13 06:52:58,217 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:150, output treesize:166 [2018-04-13 06:52:58,275 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:52:58,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:52:58,305 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 [2018-04-13 06:52:58,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:52:58,313 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. [2018-04-13 06:52:58,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:198, output treesize:71 [2018-04-13 06:53:02,638 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 [2018-04-13 06:53:02,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,734 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 [2018-04-13 06:53:02,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,772 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 [2018-04-13 06:53:02,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,775 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:53:02,780 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:53:02,786 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 [2018-04-13 06:53:02,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,854 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:53:02,855 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 [2018-04-13 06:53:02,855 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,878 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,895 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 [2018-04-13 06:53:02,897 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 [2018-04-13 06:53:02,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:02,899 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 [2018-04-13 06:53:02,899 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,903 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,912 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,920 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:02,933 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. [2018-04-13 06:53:02,933 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:133, output treesize:95 [2018-04-13 06:53:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 529 proven. 43 refuted. 0 times theorem prover too weak. 880 trivial. 4 not checked. [2018-04-13 06:53:03,181 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:53:03,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 06:53:03,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 06:53:03,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 06:53:03,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=770, Unknown=7, NotChecked=56, Total=930 [2018-04-13 06:53:03,182 INFO L87 Difference]: Start difference. First operand 343 states and 401 transitions. Second operand 31 states. [2018-04-13 06:53:36,407 WARN L151 SmtUtils]: Spent 214ms on a formula simplification. DAG size of input: 88 DAG size of output 77 [2018-04-13 06:53:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:53:50,130 INFO L93 Difference]: Finished difference Result 662 states and 795 transitions. [2018-04-13 06:53:50,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 06:53:50,130 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 266 [2018-04-13 06:53:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:53:50,132 INFO L225 Difference]: With dead ends: 662 [2018-04-13 06:53:50,132 INFO L226 Difference]: Without dead ends: 662 [2018-04-13 06:53:50,133 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=281, Invalid=2156, Unknown=17, NotChecked=96, Total=2550 [2018-04-13 06:53:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2018-04-13 06:53:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 401. [2018-04-13 06:53:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-13 06:53:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 513 transitions. [2018-04-13 06:53:50,140 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 513 transitions. Word has length 266 [2018-04-13 06:53:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:53:50,140 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 513 transitions. [2018-04-13 06:53:50,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 06:53:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 513 transitions. [2018-04-13 06:53:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-04-13 06:53:50,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:53:50,143 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] [2018-04-13 06:53:50,143 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]=== [2018-04-13 06:53:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash 492119104, now seen corresponding path program 1 times [2018-04-13 06:53:50,143 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:53:50,143 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:53:50,144 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:53:50,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:53:50,144 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:53:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:53:50,194 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:53:50,209 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:53:50,209 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:53:50,209 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:53:50,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:53:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:53:50,805 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:53:50,881 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 [2018-04-13 06:53:50,882 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 [2018-04-13 06:53:50,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,890 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,890 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-13 06:53:50,908 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 [2018-04-13 06:53:50,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:50,910 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 [2018-04-13 06:53:50,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,922 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. [2018-04-13 06:53:50,923 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-04-13 06:53:50,951 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 [2018-04-13 06:53:50,953 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 [2018-04-13 06:53:50,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:50,968 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:50,978 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 [2018-04-13 06:53:50,979 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:53:51,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:53:51,021 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. [2018-04-13 06:53:51,021 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:128 [2018-04-13 06:53:51,070 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 [2018-04-13 06:53:51,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,079 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 [2018-04-13 06:53:51,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,157 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 [2018-04-13 06:53:51,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,160 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 [2018-04-13 06:53:51,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,167 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,208 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 [2018-04-13 06:53:51,212 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,213 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 72 [2018-04-13 06:53:51,227 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 06:53:51,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,274 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 [2018-04-13 06:53:51,274 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,300 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:53:51,341 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. [2018-04-13 06:53:51,341 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:188, output treesize:200 [2018-04-13 06:53:51,345 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse2 (= (select |c_old(#valid)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|) 0)) (.cse3 (= |c_#valid| (store |c_old(#valid)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| 1)))) (or (and (exists ((v_prenex_29 Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|)) (.cse1 (+ v_prenex_29 1))) (and (= (select .cse0 (+ v_prenex_29 5)) 0) (<= 0 .cse1) (<= .cse1 |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (= (select .cse0 .cse1) 0)))) .cse2 .cse3) (and (exists ((v_prenex_31 Int)) (let ((.cse4 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (and (<= v_prenex_31 |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (= |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| (select .cse4 (+ v_prenex_31 4))) (= (select .cse4 (+ v_prenex_31 (- 4))) 0) (= 0 (select .cse4 v_prenex_31)) (<= 0 v_prenex_31)))) .cse2 .cse3) (exists ((v_prenex_27 Int) (__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset Int)) (let ((.cse8 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (let ((.cse7 (select .cse8 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset))) (let ((.cse5 (select |c_#memory_$Pointer$.base| .cse7)) (.cse6 (select .cse8 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset 4)))) (and (<= __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (= (select .cse5 (+ v_prenex_27 1)) 0) (= |c_#valid| (store |c_old(#valid)| .cse6 1)) (= (select |c_old(#valid)| .cse6) 0) (= 0 (select .cse5 (+ v_prenex_27 5))) (<= 0 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset) (= .cse6 .cse7)))))) (and (exists ((__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset Int)) (let ((.cse9 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (and (= (select .cse9 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 5)) 0) (= (select .cse9 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 1)) 0) (= |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| (select .cse9 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset (- 3)))) (<= __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset (+ |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset| 3)) (<= 3 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset)))) .cse2 .cse3))) is different from true [2018-04-13 06:53:51,350 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:53:51,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-13 06:53:51,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,400 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. [2018-04-13 06:53:51,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:232, output treesize:73 [2018-04-13 06:53:51,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,579 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 57 [2018-04-13 06:53:51,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,603 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2018-04-13 06:53:51,605 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,605 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 [2018-04-13 06:53:51,605 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,613 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:53:51,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2018-04-13 06:53:51,613 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,618 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:53:51,625 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:91, output treesize:34 [2018-04-13 06:53:51,652 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1)) (<= (select |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base|) 0))) is different from true [2018-04-13 06:53:51,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:51,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 54 [2018-04-13 06:53:51,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,702 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. [2018-04-13 06:53:51,702 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:51 [2018-04-13 06:53:51,734 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1))) is different from true [2018-04-13 06:53:51,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:53:51,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:53:51,753 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:56 [2018-04-13 06:53:51,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:53:51,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:53:51,799 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:56 [2018-04-13 06:53:51,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:53:51,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:51,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:53:51,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:62, output treesize:56 [2018-04-13 06:53:52,022 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 [2018-04-13 06:53:52,023 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 [2018-04-13 06:53:52,023 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-04-13 06:53:52,061 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 [2018-04-13 06:53:52,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 06:53:52,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,073 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. [2018-04-13 06:53:52,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-13 06:53:52,113 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 [2018-04-13 06:53:52,116 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,128 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 [2018-04-13 06:53:52,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 06:53:52,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 06:53:52,166 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:53:52,204 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. [2018-04-13 06:53:52,204 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:41, output treesize:110 [2018-04-13 06:53:52,262 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 47 treesize of output 40 [2018-04-13 06:53:52,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,265 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 [2018-04-13 06:53:52,266 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,271 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:53:52,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,309 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,309 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,311 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 [2018-04-13 06:53:52,311 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,320 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,355 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 71 treesize of output 64 [2018-04-13 06:53:52,357 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 73 [2018-04-13 06:53:52,358 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,400 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 49 treesize of output 63 [2018-04-13 06:53:52,400 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 06:53:52,434 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:53:52,464 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. [2018-04-13 06:53:52,464 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:164, output treesize:170 [2018-04-13 06:53:52,559 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:53:52,559 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:53:52,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 65 [2018-04-13 06:53:52,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:53:52,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:53:52,650 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 17 variables, input treesize:370, output treesize:73 [2018-04-13 06:53:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 663 proven. 150 refuted. 7 times theorem prover too weak. 174 trivial. 234 not checked. [2018-04-13 06:53:52,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:53:52,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-13 06:53:52,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-13 06:53:52,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-13 06:53:52,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1401, Unknown=28, NotChecked=234, Total=1806 [2018-04-13 06:53:52,985 INFO L87 Difference]: Start difference. First operand 401 states and 513 transitions. Second operand 43 states. [2018-04-13 06:53:53,783 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 73 DAG size of output 60 [2018-04-13 06:53:56,033 WARN L151 SmtUtils]: Spent 2158ms on a formula simplification. DAG size of input: 155 DAG size of output 96 [2018-04-13 06:54:03,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:54:03,089 INFO L93 Difference]: Finished difference Result 969 states and 1266 transitions. [2018-04-13 06:54:03,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 06:54:03,090 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 274 [2018-04-13 06:54:03,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:54:03,092 INFO L225 Difference]: With dead ends: 969 [2018-04-13 06:54:03,092 INFO L226 Difference]: Without dead ends: 969 [2018-04-13 06:54:03,093 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 232 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=506, Invalid=3761, Unknown=35, NotChecked=390, Total=4692 [2018-04-13 06:54:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-04-13 06:54:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 440. [2018-04-13 06:54:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-04-13 06:54:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 627 transitions. [2018-04-13 06:54:03,108 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 627 transitions. Word has length 274 [2018-04-13 06:54:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:54:03,108 INFO L459 AbstractCegarLoop]: Abstraction has 440 states and 627 transitions. [2018-04-13 06:54:03,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-13 06:54:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 627 transitions. [2018-04-13 06:54:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-04-13 06:54:03,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:54:03,112 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:54:03,112 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__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]=== [2018-04-13 06:54:03,113 INFO L82 PathProgramCache]: Analyzing trace with hash 840708544, now seen corresponding path program 2 times [2018-04-13 06:54:03,113 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:54:03,113 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:54:03,113 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:03,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:54:03,113 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:54:03,151 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:54:03,160 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:54:03,160 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:54:03,160 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:54:03,160 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:54:03,313 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:54:03,313 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:54:03,321 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:54:03,338 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 [2018-04-13 06:54:03,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,340 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-04-13 06:54:03,412 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1)) (<= (select |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base|) 0))) is different from true [2018-04-13 06:54:03,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,422 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 17 treesize of output 24 [2018-04-13 06:54:03,423 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,431 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. [2018-04-13 06:54:03,431 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2018-04-13 06:54:03,495 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 [2018-04-13 06:54:03,496 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 8 treesize of output 7 [2018-04-13 06:54:03,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-13 06:54:03,521 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 [2018-04-13 06:54:03,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,523 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 [2018-04-13 06:54:03,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,533 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. [2018-04-13 06:54:03,533 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-04-13 06:54:03,561 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 [2018-04-13 06:54:03,563 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 [2018-04-13 06:54:03,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,589 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 [2018-04-13 06:54:03,589 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:54:03,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:54:03,633 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. [2018-04-13 06:54:03,633 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:47, output treesize:128 [2018-04-13 06:54:03,698 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 [2018-04-13 06:54:03,700 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,704 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 [2018-04-13 06:54:03,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,775 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 [2018-04-13 06:54:03,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,778 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 72 treesize of output 85 [2018-04-13 06:54:03,778 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 72 [2018-04-13 06:54:03,832 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:54:03,865 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:03,914 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 [2018-04-13 06:54:03,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:03,917 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 [2018-04-13 06:54:03,917 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,924 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:03,963 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. [2018-04-13 06:54:03,963 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:188, output treesize:200 [2018-04-13 06:54:03,966 WARN L1033 $PredicateComparison]: unable to prove that (let ((.cse4 (<= (select |c_old(#valid)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|) 0)) (.cse6 (= |c_#valid| (store |c_old(#valid)| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| 1)))) (or (exists ((v_prenex_66 Int) (v_prenex_62 Int)) (let ((.cse3 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (let ((.cse2 (select .cse3 v_prenex_66))) (let ((.cse1 (select |c_#memory_$Pointer$.base| .cse2)) (.cse0 (select .cse3 (+ v_prenex_66 4)))) (and (<= (select |c_old(#valid)| .cse0) 0) (<= 0 v_prenex_66) (= 0 (select .cse1 (+ v_prenex_62 5))) (<= v_prenex_66 |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (= 0 (select .cse1 (+ v_prenex_62 1))) (= .cse0 .cse2) (= |c_#valid| (store |c_old(#valid)| .cse0 1))))))) (and .cse4 (exists ((v_prenex_64 Int)) (let ((.cse5 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|))) (and (= 0 (select .cse5 (+ v_prenex_64 1))) (= 0 (select .cse5 (+ v_prenex_64 5))) (<= 3 v_prenex_64) (<= v_prenex_64 (+ |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset| 3)) (= |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base| (select .cse5 (+ v_prenex_64 (- 3))))))) .cse6) (and .cse4 (exists ((__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset Int)) (let ((.cse8 (select |c_#memory_$Pointer$.base| |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.base|)) (.cse7 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 1))) (and (<= .cse7 |c___U_MULTI_fsplit_list_test___false_valid_deref_i__append_#in~head.offset|) (= (select .cse8 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~node~0.offset 5)) 0) (= (select .cse8 .cse7) 0) (<= 0 .cse7)))) .cse6) (and .cse4 (exists ((__U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset Int)) (let ((.cse9 (select |c_#memory_$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 .cse9 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset (- 4))) 0) (= 0 (select .cse9 __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.base| (select .cse9 (+ __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset 4))) (<= 0 __U_MULTI_fsplit_list_test___false_valid_deref_i__append_~head.offset)))) .cse6))) is different from true [2018-04-13 06:54:03,971 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:54:03,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:04,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 53 [2018-04-13 06:54:04,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:04,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:04,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 13 variables, input treesize:280, output treesize:92 [2018-04-13 06:54:04,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,064 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 65 [2018-04-13 06:54:04,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,066 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 [2018-04-13 06:54:04,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:04,074 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:04,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:04,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 23 [2018-04-13 06:54:04,075 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:04,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:04,087 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. [2018-04-13 06:54:04,088 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:99, output treesize:28 [2018-04-13 06:54:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 438 proven. 4 refuted. 0 times theorem prover too weak. 732 trivial. 24 not checked. [2018-04-13 06:54:04,204 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:54:04,204 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 06:54:04,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 06:54:04,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 06:54:04,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=326, Unknown=2, NotChecked=74, Total=462 [2018-04-13 06:54:04,205 INFO L87 Difference]: Start difference. First operand 440 states and 627 transitions. Second operand 22 states. [2018-04-13 06:54:04,830 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 98 DAG size of output 92 [2018-04-13 06:54:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:54:06,854 INFO L93 Difference]: Finished difference Result 552 states and 754 transitions. [2018-04-13 06:54:06,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 06:54:06,855 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 278 [2018-04-13 06:54:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:54:06,857 INFO L225 Difference]: With dead ends: 552 [2018-04-13 06:54:06,857 INFO L226 Difference]: Without dead ends: 552 [2018-04-13 06:54:06,858 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=1061, Unknown=2, NotChecked=138, Total=1406 [2018-04-13 06:54:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-04-13 06:54:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 480. [2018-04-13 06:54:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-04-13 06:54:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 685 transitions. [2018-04-13 06:54:06,870 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 685 transitions. Word has length 278 [2018-04-13 06:54:06,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:54:06,871 INFO L459 AbstractCegarLoop]: Abstraction has 480 states and 685 transitions. [2018-04-13 06:54:06,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 06:54:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 685 transitions. [2018-04-13 06:54:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-04-13 06:54:06,875 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:54:06,875 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:54:06,875 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__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]=== [2018-04-13 06:54:06,875 INFO L82 PathProgramCache]: Analyzing trace with hash 840708545, now seen corresponding path program 1 times [2018-04-13 06:54:06,875 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:54:06,876 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:54:06,876 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:06,876 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:54:06,876 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:54:06,929 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:54:06,942 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:54:06,942 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:54:06,942 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:54:06,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:54:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:54:08,248 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:54:08,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:54:08,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,280 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 06:54:08,308 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 [2018-04-13 06:54:08,309 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 [2018-04-13 06:54:08,309 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,314 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. [2018-04-13 06:54:08,314 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:23 [2018-04-13 06:54:08,462 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 [2018-04-13 06:54:08,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-13 06:54:08,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-13 06:54:08,496 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 [2018-04-13 06:54:08,497 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 [2018-04-13 06:54:08,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-13 06:54:08,514 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:54:08,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:08,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:08,535 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:43, output treesize:80 [2018-04-13 06:54:08,581 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 73 treesize of output 70 [2018-04-13 06:54:08,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,583 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 [2018-04-13 06:54:08,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 63 [2018-04-13 06:54:08,620 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:54:08,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:08,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2018-04-13 06:54:08,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,675 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 [2018-04-13 06:54:08,675 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,680 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-13 06:54:08,703 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:117, output treesize:140 [2018-04-13 06:54:08,751 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:54:08,751 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:08,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 34 [2018-04-13 06:54:08,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,791 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 26 treesize of output 22 [2018-04-13 06:54:08,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:08,792 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 22 treesize of output 18 [2018-04-13 06:54:08,792 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,794 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:08,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:08,813 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:191, output treesize:57 [2018-04-13 06:54:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 600 proven. 137 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2018-04-13 06:54:09,045 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:54:09,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 06:54:09,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 06:54:09,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 06:54:09,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2018-04-13 06:54:09,046 INFO L87 Difference]: Start difference. First operand 480 states and 685 transitions. Second operand 30 states. [2018-04-13 06:54:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:54:14,172 INFO L93 Difference]: Finished difference Result 652 states and 854 transitions. [2018-04-13 06:54:14,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 06:54:14,172 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 278 [2018-04-13 06:54:14,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:54:14,174 INFO L225 Difference]: With dead ends: 652 [2018-04-13 06:54:14,174 INFO L226 Difference]: Without dead ends: 652 [2018-04-13 06:54:14,175 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=538, Invalid=3002, Unknown=0, NotChecked=0, Total=3540 [2018-04-13 06:54:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-04-13 06:54:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 487. [2018-04-13 06:54:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-04-13 06:54:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 686 transitions. [2018-04-13 06:54:14,183 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 686 transitions. Word has length 278 [2018-04-13 06:54:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:54:14,183 INFO L459 AbstractCegarLoop]: Abstraction has 487 states and 686 transitions. [2018-04-13 06:54:14,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 06:54:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 686 transitions. [2018-04-13 06:54:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-04-13 06:54:14,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:54:14,186 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:54:14,186 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__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]=== [2018-04-13 06:54:14,186 INFO L82 PathProgramCache]: Analyzing trace with hash 324879593, now seen corresponding path program 2 times [2018-04-13 06:54:14,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:54:14,186 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:54:14,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:14,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:54:14,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:54:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:54:14,218 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:54:14,234 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:54:14,234 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:54:14,234 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:54:14,235 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:54:14,409 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:54:14,409 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:54:14,417 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:54:14,468 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1)) (<= (select |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base|) 0))) is different from true [2018-04-13 06:54:14,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,474 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 17 treesize of output 24 [2018-04-13 06:54:14,474 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,479 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. [2018-04-13 06:54:14,479 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2018-04-13 06:54:14,492 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (and (= 0 (select |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base|)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1)))) is different from true [2018-04-13 06:54:14,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,497 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,498 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 22 treesize of output 34 [2018-04-13 06:54:14,498 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,507 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. [2018-04-13 06:54:14,507 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:34 [2018-04-13 06:54:14,560 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 22 treesize of output 33 [2018-04-13 06:54:14,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:45, output treesize:39 [2018-04-13 06:54:14,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 54 [2018-04-13 06:54:14,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,625 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:45, output treesize:51 [2018-04-13 06:54:14,669 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| Int)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_fsplit_list_test___false_valid_deref_i__append_#t~malloc54.base| 1))) is different from true [2018-04-13 06:54:14,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:54:14,676 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,690 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:57, output treesize:56 [2018-04-13 06:54:14,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 50 [2018-04-13 06:54:14,719 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,734 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:57, output treesize:56 [2018-04-13 06:54:14,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 75 [2018-04-13 06:54:14,774 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,794 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:62, output treesize:72 [2018-04-13 06:54:14,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 71 [2018-04-13 06:54:14,846 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,866 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:78, output treesize:77 [2018-04-13 06:54:14,912 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,915 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,915 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:14,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 100 [2018-04-13 06:54:14,917 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:14,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:14,946 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:83, output treesize:97 [2018-04-13 06:54:19,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 96 [2018-04-13 06:54:19,344 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:19,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:19,401 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:102 [2018-04-13 06:54:23,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 96 [2018-04-13 06:54:23,767 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:23,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:23,797 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:102 [2018-04-13 06:54:26,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 96 [2018-04-13 06:54:26,194 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:26,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:26,276 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:102 [2018-04-13 06:54:26,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 96 [2018-04-13 06:54:26,399 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:26,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:26,424 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:102 [2018-04-13 06:54:28,360 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 [2018-04-13 06:54:28,361 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 [2018-04-13 06:54:28,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,377 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 [2018-04-13 06:54:28,378 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 [2018-04-13 06:54:28,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,390 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-04-13 06:54:28,420 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 [2018-04-13 06:54:28,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,423 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 [2018-04-13 06:54:28,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,443 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 [2018-04-13 06:54:28,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,458 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 [2018-04-13 06:54:28,458 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,463 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:28,476 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:61 [2018-04-13 06:54:28,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 52 [2018-04-13 06:54:28,517 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 39 treesize of output 38 [2018-04-13 06:54:28,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,566 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 43 treesize of output 51 [2018-04-13 06:54:28,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,575 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 37 treesize of output 58 [2018-04-13 06:54:28,576 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 06:54:28,606 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 40 treesize of output 39 [2018-04-13 06:54:28,606 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,621 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:28,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:54:28,642 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:87, output treesize:156 [2018-04-13 06:54:28,747 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 200 treesize of output 183 [2018-04-13 06:54:28,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 214 [2018-04-13 06:54:28,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:28,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:28,851 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 163 treesize of output 191 [2018-04-13 06:54:28,852 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:54:28,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:54:29,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 186 treesize of output 176 [2018-04-13 06:54:29,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,066 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:29,066 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 152 [2018-04-13 06:54:29,067 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,133 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 169 treesize of output 194 [2018-04-13 06:54:29,133 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,175 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,176 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:29,177 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 143 treesize of output 129 [2018-04-13 06:54:29,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,180 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:29,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 168 [2018-04-13 06:54:29,182 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,207 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 85 [2018-04-13 06:54:29,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,313 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 [2018-04-13 06:54:29,313 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,328 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,394 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:29,394 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 79 treesize of output 79 [2018-04-13 06:54:29,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:29,397 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 32 treesize of output 30 [2018-04-13 06:54:29,397 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,408 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:29,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-13 06:54:29,459 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:293, output treesize:309 [2018-04-13 06:54:44,130 WARN L151 SmtUtils]: Spent 12166ms on a formula simplification. DAG size of input: 83 DAG size of output 67 [2018-04-13 06:54:44,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 324 [2018-04-13 06:54:44,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-04-13 06:54:44,304 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 13 variables, input treesize:415, output treesize:308 [2018-04-13 06:54:44,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 109 [2018-04-13 06:54:44,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 151 [2018-04-13 06:54:44,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,468 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 [2018-04-13 06:54:44,468 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,497 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,497 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:44,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 83 [2018-04-13 06:54:44,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,510 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 66 [2018-04-13 06:54:44,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,557 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 [2018-04-13 06:54:44,557 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,566 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,567 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:54:44,567 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:54:44,567 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 40 treesize of output 29 [2018-04-13 06:54:44,567 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,572 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:54:44,599 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 11 variables, input treesize:322, output treesize:14 [2018-04-13 06:54:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 447 trivial. 718 not checked. [2018-04-13 06:54:44,845 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:54:44,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 06:54:44,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 06:54:44,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 06:54:44,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=553, Unknown=7, NotChecked=150, Total=812 [2018-04-13 06:54:44,846 INFO L87 Difference]: Start difference. First operand 487 states and 686 transitions. Second operand 29 states. [2018-04-13 06:55:27,692 WARN L151 SmtUtils]: Spent 21537ms on a formula simplification. DAG size of input: 93 DAG size of output 82 [2018-04-13 06:55:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:55:45,690 INFO L93 Difference]: Finished difference Result 671 states and 1005 transitions. [2018-04-13 06:55:45,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 06:55:45,690 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 278 [2018-04-13 06:55:45,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:55:45,693 INFO L225 Difference]: With dead ends: 671 [2018-04-13 06:55:45,693 INFO L226 Difference]: Without dead ends: 671 [2018-04-13 06:55:45,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 242 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 62.8s TimeCoverageRelationStatistics Valid=333, Invalid=1736, Unknown=13, NotChecked=270, Total=2352 [2018-04-13 06:55:45,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-04-13 06:55:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 487. [2018-04-13 06:55:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-04-13 06:55:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 675 transitions. [2018-04-13 06:55:45,703 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 675 transitions. Word has length 278 [2018-04-13 06:55:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:55:45,703 INFO L459 AbstractCegarLoop]: Abstraction has 487 states and 675 transitions. [2018-04-13 06:55:45,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 06:55:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 675 transitions. [2018-04-13 06:55:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-04-13 06:55:45,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:55:45,706 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:55:45,706 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__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]=== [2018-04-13 06:55:45,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1804995828, now seen corresponding path program 3 times [2018-04-13 06:55:45,706 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:55:45,706 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:55:45,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:55:45,707 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:55:45,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:55:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:55:45,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:55:45,745 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:55:45,745 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:55:45,746 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:55:45,746 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:55:45,802 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:55:45,803 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:55:45,807 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:55:45,846 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 [2018-04-13 06:55:45,847 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 [2018-04-13 06:55:45,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,849 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-13 06:55:45,872 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 [2018-04-13 06:55:45,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:45,874 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 [2018-04-13 06:55:45,874 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,885 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. [2018-04-13 06:55:45,885 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36 [2018-04-13 06:55:45,933 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 [2018-04-13 06:55:45,935 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 [2018-04-13 06:55:45,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:45,952 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:45,964 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 [2018-04-13 06:55:45,965 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-13 06:55:45,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:55:46,013 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. [2018-04-13 06:55:46,013 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:49, output treesize:134 [2018-04-13 06:55:46,106 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 71 treesize of output 72 [2018-04-13 06:55:46,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,111 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 70 treesize of output 85 [2018-04-13 06:55:46,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:46,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,165 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 54 treesize of output 66 [2018-04-13 06:55:46,166 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:55:46,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:55:46,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:55:46,276 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,278 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 [2018-04-13 06:55:46,278 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:46,284 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:46,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-13 06:55:46,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:46,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-13 06:55:46,338 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:46,348 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:46,384 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. [2018-04-13 06:55:46,385 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:162, output treesize:178 [2018-04-13 06:55:52,447 WARN L148 SmtUtils]: Spent 6040ms on a formula simplification that was a NOOP. DAG size: 79 [2018-04-13 06:55:54,237 WARN L148 SmtUtils]: Spent 1420ms on a formula simplification that was a NOOP. DAG size: 131 [2018-04-13 06:55:54,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 180 [2018-04-13 06:55:54,255 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:54,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:54,268 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 1 case distinctions, treesize of input 173 treesize of output 199 [2018-04-13 06:55:54,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:56,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:56,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:56,694 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 147 treesize of output 151 [2018-04-13 06:55:56,694 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:56,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:56,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:56,699 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 128 treesize of output 132 [2018-04-13 06:55:56,699 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:59,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 162 treesize of output 152 [2018-04-13 06:55:59,104 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 [2018-04-13 06:55:59,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,109 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 [2018-04-13 06:55:59,109 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:55:59,116 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:55:59,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 110 treesize of output 129 [2018-04-13 06:55:59,213 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,214 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,216 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:55:59,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 167 [2018-04-13 06:55:59,260 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 32 xjuncts. [2018-04-13 06:56:03,483 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:06,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 117 [2018-04-13 06:56:06,349 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:09,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:09,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 103 treesize of output 114 [2018-04-13 06:56:09,723 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-13 06:56:13,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:13,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 120 [2018-04-13 06:56:13,478 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-04-13 06:56:17,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,642 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 99 [2018-04-13 06:56:17,644 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:17,645 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,645 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 44 treesize of output 39 [2018-04-13 06:56:17,646 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:17,662 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:17,669 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,670 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 101 [2018-04-13 06:56:17,672 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:17,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,673 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 44 treesize of output 39 [2018-04-13 06:56:17,674 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:17,689 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:17,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 99 [2018-04-13 06:56:17,700 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:17,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:17,702 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 44 treesize of output 39 [2018-04-13 06:56:17,702 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:17,718 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:20,267 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:20,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2018-04-13 06:56:20,276 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:20,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 74 [2018-04-13 06:56:20,277 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:20,292 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:20,297 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:20,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 108 [2018-04-13 06:56:20,307 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:20,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:20,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 92 [2018-04-13 06:56:20,309 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:20,329 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:20,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:20,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 106 [2018-04-13 06:56:20,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:20,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2018-04-13 06:56:20,343 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:20,359 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:22,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 146 [2018-04-13 06:56:22,404 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:22,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 158 [2018-04-13 06:56:22,431 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-04-13 06:56:22,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,723 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:22,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:22,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 11 case distinctions, treesize of input 84 treesize of output 206 [2018-04-13 06:56:22,774 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:56:22,781 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 48 xjuncts. [2018-04-13 06:56:23,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:23,815 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:23,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 113 [2018-04-13 06:56:23,816 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:24,111 INFO L267 ElimStorePlain]: Start of recursive call 27: 3 dim-0 vars, 4 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-04-13 06:56:26,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:26,985 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 3 case distinctions, treesize of input 95 treesize of output 109 [2018-04-13 06:56:26,990 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:26,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:26,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:26,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:26,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 14 case distinctions, treesize of input 98 treesize of output 214 [2018-04-13 06:56:27,050 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:56:27,056 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 48 xjuncts. [2018-04-13 06:56:27,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,539 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:27,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:27,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 145 [2018-04-13 06:56:27,559 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:28,004 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-04-13 06:56:30,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:30,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 112 treesize of output 138 [2018-04-13 06:56:32,174 WARN L151 SmtUtils]: Spent 1426ms on a formula simplification. DAG size of input: 378 DAG size of output 244 [2018-04-13 06:56:32,175 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:32,577 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:32,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,912 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 81 treesize of output 148 [2018-04-13 06:56:32,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,945 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:32,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:32,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 161 [2018-04-13 06:56:32,963 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:33,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:33,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:33,078 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:33,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:33,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:33,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:33,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 145 [2018-04-13 06:56:33,109 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:33,170 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:56:33,506 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:33,831 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:34,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 88 treesize of output 149 [2018-04-13 06:56:34,201 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-04-13 06:56:34,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,550 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:34,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 111 [2018-04-13 06:56:34,551 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:34,808 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:34,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,993 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:34,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:34,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:35,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:35,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 11 case distinctions, treesize of input 80 treesize of output 206 [2018-04-13 06:56:35,050 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:56:35,055 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 48 xjuncts. [2018-04-13 06:56:35,682 INFO L267 ElimStorePlain]: Start of recursive call 34: 9 dim-1 vars, End of recursive call: 2 dim-0 vars, and 14 xjuncts. [2018-04-13 06:56:36,667 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 84 [2018-04-13 06:56:36,673 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,676 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,676 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 76 [2018-04-13 06:56:36,676 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:36,696 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:36,700 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 82 [2018-04-13 06:56:36,705 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,709 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 108 [2018-04-13 06:56:36,729 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:36,774 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:56:36,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 82 [2018-04-13 06:56:36,783 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 88 [2018-04-13 06:56:36,793 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:36,812 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:36,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 82 [2018-04-13 06:56:36,822 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:36,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 100 [2018-04-13 06:56:36,842 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:36,885 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:56:36,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2018-04-13 06:56:36,900 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:36,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 92 [2018-04-13 06:56:36,914 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:36,935 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:37,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 106 treesize of output 119 [2018-04-13 06:56:37,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,763 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:37,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,769 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,841 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 114 treesize of output 175 [2018-04-13 06:56:37,980 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 94 DAG size of output 79 [2018-04-13 06:56:37,984 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,985 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:37,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:37,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 108 treesize of output 167 [2018-04-13 06:56:38,006 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:38,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,125 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:38,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,130 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,130 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:38,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 158 [2018-04-13 06:56:38,153 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:38,226 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:56:38,322 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:39,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 103 treesize of output 137 [2018-04-13 06:56:39,232 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:39,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 133 [2018-04-13 06:56:39,234 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:39,482 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:39,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 104 [2018-04-13 06:56:39,484 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:39,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,628 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:39,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,632 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 132 [2018-04-13 06:56:39,647 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:39,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,782 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,782 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:39,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:39,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 145 [2018-04-13 06:56:39,804 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:39,925 INFO L267 ElimStorePlain]: Start of recursive call 60: 3 dim-0 vars, 4 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-04-13 06:56:40,219 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, 9 dim-2 vars, End of recursive call: 2 dim-0 vars, and 12 xjuncts. [2018-04-13 06:56:40,477 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 12 xjuncts. [2018-04-13 06:56:40,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 167 [2018-04-13 06:56:40,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-13 06:56:40,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2018-04-13 06:56:40,599 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:40,608 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:40,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 111 [2018-04-13 06:56:40,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 52 [2018-04-13 06:56:40,678 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 4 xjuncts. [2018-04-13 06:56:40,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 118 [2018-04-13 06:56:40,741 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:40,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 106 [2018-04-13 06:56:40,742 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:40,813 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,814 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:40,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 126 [2018-04-13 06:56:40,835 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:40,910 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:40,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 120 [2018-04-13 06:56:40,931 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:40,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:40,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 108 [2018-04-13 06:56:40,932 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:41,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,011 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:41,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 128 [2018-04-13 06:56:41,028 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:41,093 INFO L267 ElimStorePlain]: Start of recursive call 73: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:41,110 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 118 [2018-04-13 06:56:41,123 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:41,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,127 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 134 [2018-04-13 06:56:41,143 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 3 xjuncts. [2018-04-13 06:56:41,257 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:41,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:41,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 98 [2018-04-13 06:56:41,259 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:41,347 INFO L267 ElimStorePlain]: Start of recursive call 76: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:41,464 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-13 06:56:41,596 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-13 06:56:43,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 111 [2018-04-13 06:56:43,534 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 [2018-04-13 06:56:43,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-13 06:56:43,539 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:43,546 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:43,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 88 [2018-04-13 06:56:43,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 80 [2018-04-13 06:56:43,608 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:43,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 119 [2018-04-13 06:56:43,719 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 8 xjuncts. [2018-04-13 06:56:43,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2018-04-13 06:56:43,933 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:43,937 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:43,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 75 [2018-04-13 06:56:43,942 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:43,957 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-04-13 06:56:44,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,092 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,096 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 104 [2018-04-13 06:56:44,108 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-04-13 06:56:44,149 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:56:44,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 64 [2018-04-13 06:56:44,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,163 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 75 [2018-04-13 06:56:44,168 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,183 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 64 [2018-04-13 06:56:44,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,195 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 75 [2018-04-13 06:56:44,199 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,214 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,220 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 71 [2018-04-13 06:56:44,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,223 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 59 [2018-04-13 06:56:44,229 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,242 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,342 INFO L267 ElimStorePlain]: Start of recursive call 82: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:44,403 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:44,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-04-13 06:56:44,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-13 06:56:44,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2018-04-13 06:56:44,500 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,508 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 72 [2018-04-13 06:56:44,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 52 [2018-04-13 06:56:44,560 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 4 xjuncts. [2018-04-13 06:56:44,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 61 [2018-04-13 06:56:44,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,610 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,614 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 32 treesize of output 75 [2018-04-13 06:56:44,614 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,627 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,632 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 66 treesize of output 61 [2018-04-13 06:56:44,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,638 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,641 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 32 treesize of output 75 [2018-04-13 06:56:44,641 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,654 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,660 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 68 treesize of output 63 [2018-04-13 06:56:44,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:44,665 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:44,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 75 [2018-04-13 06:56:44,669 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,681 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:44,709 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:44,747 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:56:45,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 77 dim-0 vars, and 23 xjuncts. [2018-04-13 06:56:45,628 INFO L202 ElimStorePlain]: Needed 105 recursive calls to eliminate 19 variables, input treesize:335, output treesize:2286 [2018-04-13 06:56:50,617 WARN L151 SmtUtils]: Spent 4717ms on a formula simplification. DAG size of input: 730 DAG size of output 609 [2018-04-13 06:56:50,666 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 100 [2018-04-13 06:56:50,668 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:50,669 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 57 treesize of output 44 [2018-04-13 06:56:50,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:50,683 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 [2018-04-13 06:56:50,684 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:50,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:50,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-04-13 06:56:50,698 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:50,707 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:51,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 83 [2018-04-13 06:56:51,377 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:51,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:51,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:51,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:51,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:51,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:51,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 66 [2018-04-13 06:56:51,384 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:51,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 06:56:51,400 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:51,409 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:52,049 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 100 [2018-04-13 06:56:52,051 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 [2018-04-13 06:56:52,051 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:52,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2018-04-13 06:56:52,068 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:52,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,082 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:52,082 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 46 treesize of output 32 [2018-04-13 06:56:52,083 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:52,093 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:52,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 79 [2018-04-13 06:56:52,703 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 [2018-04-13 06:56:52,703 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:52,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,721 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:52,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:52,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 55 [2018-04-13 06:56:52,728 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:52,747 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:56:53,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 83 [2018-04-13 06:56:53,319 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:53,324 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:53,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 67 [2018-04-13 06:56:53,327 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:53,345 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 [2018-04-13 06:56:53,345 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:53,353 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:53,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 131 [2018-04-13 06:56:53,926 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:53,927 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 99 treesize of output 86 [2018-04-13 06:56:53,927 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:54,142 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 109 treesize of output 102 [2018-04-13 06:56:54,142 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:54,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:54,362 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 101 treesize of output 95 [2018-04-13 06:56:54,362 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:54,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:54,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 88 [2018-04-13 06:56:54,569 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:56:54,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 102 [2018-04-13 06:56:54,789 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:55,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:55,007 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 102 treesize of output 96 [2018-04-13 06:56:55,007 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:55,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:55,224 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 102 treesize of output 96 [2018-04-13 06:56:55,224 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:55,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:55,443 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:55,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 87 treesize of output 102 [2018-04-13 06:56:55,456 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-04-13 06:56:55,734 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 103 treesize of output 96 [2018-04-13 06:56:55,734 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:55,999 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:55,999 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 107 treesize of output 94 [2018-04-13 06:56:56,000 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:56,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,268 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:56,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 95 treesize of output 174 [2018-04-13 06:56:56,295 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 06:56:56,296 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-04-13 06:56:56,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:56,644 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:56,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 72 [2018-04-13 06:56:56,646 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:56,933 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 85 treesize of output 78 [2018-04-13 06:56:56,934 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:57,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,225 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:57,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 144 [2018-04-13 06:56:57,241 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-13 06:56:57,549 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:57,549 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 90 [2018-04-13 06:56:57,550 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:57,805 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:57,813 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 2 case distinctions, treesize of input 78 treesize of output 80 [2018-04-13 06:56:57,814 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:56:58,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 74 [2018-04-13 06:56:58,070 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:56:58,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:56:58,331 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 70 treesize of output 64 [2018-04-13 06:56:58,331 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:58,585 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 88 treesize of output 81 [2018-04-13 06:56:58,585 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 06:56:58,812 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:56:58,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2018-04-13 06:56:58,813 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:56:59,036 INFO L267 ElimStorePlain]: Start of recursive call 19: 20 dim-1 vars, End of recursive call: 10 dim-0 vars, and 12 xjuncts. [2018-04-13 06:57:00,062 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 100 [2018-04-13 06:57:00,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-13 06:57:00,095 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:00,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:00,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-13 06:57:00,112 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:00,126 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:00,126 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 46 treesize of output 32 [2018-04-13 06:57:00,127 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:00,137 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:01,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 100 [2018-04-13 06:57:01,126 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 85 treesize of output 78 [2018-04-13 06:57:01,127 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:01,209 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,209 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,210 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:01,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 97 [2018-04-13 06:57:01,213 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:01,292 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 1 case distinctions, treesize of input 81 treesize of output 79 [2018-04-13 06:57:01,292 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-04-13 06:57:01,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,385 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:01,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 74 [2018-04-13 06:57:01,385 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:01,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,388 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:01,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 82 [2018-04-13 06:57:01,391 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:01,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2018-04-13 06:57:01,478 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:01,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,551 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:01,552 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 97 [2018-04-13 06:57:01,560 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:57:01,655 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 47 treesize of output 40 [2018-04-13 06:57:01,655 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:01,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,733 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:01,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:01,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 129 [2018-04-13 06:57:01,757 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-13 06:57:01,901 INFO L267 ElimStorePlain]: Start of recursive call 44: 8 dim-1 vars, End of recursive call: 5 dim-0 vars, and 7 xjuncts. [2018-04-13 06:57:03,346 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 107 [2018-04-13 06:57:03,348 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:03,349 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 [2018-04-13 06:57:03,349 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:03,367 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:03,367 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 57 treesize of output 44 [2018-04-13 06:57:03,367 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:03,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:03,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-04-13 06:57:03,382 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:03,392 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:04,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 77 [2018-04-13 06:57:04,540 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 [2018-04-13 06:57:04,540 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:04,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:04,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:04,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:04,556 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:04,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-04-13 06:57:04,557 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:04,567 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:05,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 77 [2018-04-13 06:57:05,655 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:05,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:05,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:05,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-04-13 06:57:05,659 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:05,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 06:57:05,671 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:05,678 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:06,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 106 [2018-04-13 06:57:06,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,759 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,759 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:06,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 106 [2018-04-13 06:57:06,764 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:06,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:06,856 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:06,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 131 [2018-04-13 06:57:06,870 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:57:06,988 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 55 treesize of output 48 [2018-04-13 06:57:06,988 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:06,989 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 71 treesize of output 64 [2018-04-13 06:57:06,989 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:07,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 54 [2018-04-13 06:57:07,089 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 06:57:07,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,205 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:07,208 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 114 [2018-04-13 06:57:07,212 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:07,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2018-04-13 06:57:07,318 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:07,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-04-13 06:57:07,412 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:07,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,510 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,512 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:07,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:07,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 154 [2018-04-13 06:57:07,539 INFO L267 ElimStorePlain]: Start of recursive call 73: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-13 06:57:07,694 INFO L267 ElimStorePlain]: Start of recursive call 64: 8 dim-1 vars, End of recursive call: 5 dim-0 vars, and 7 xjuncts. [2018-04-13 06:57:09,016 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 92 [2018-04-13 06:57:09,018 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 [2018-04-13 06:57:09,018 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:09,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:09,036 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 [2018-04-13 06:57:09,036 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:09,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:09,052 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:09,052 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:09,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2018-04-13 06:57:09,053 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:09,064 INFO L267 ElimStorePlain]: Start of recursive call 74: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:10,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2018-04-13 06:57:10,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 06:57:10,317 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:10,331 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:10,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:10,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2018-04-13 06:57:10,333 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:10,343 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:11,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 90 [2018-04-13 06:57:11,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,614 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:11,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 78 [2018-04-13 06:57:11,619 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:11,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:11,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-04-13 06:57:11,645 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:11,656 INFO L267 ElimStorePlain]: Start of recursive call 81: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:12,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 83 [2018-04-13 06:57:12,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 06:57:12,858 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:12,874 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:12,874 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:12,875 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:12,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:12,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:12,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:12,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 61 [2018-04-13 06:57:12,880 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:12,896 INFO L267 ElimStorePlain]: Start of recursive call 84: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:14,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 74 [2018-04-13 06:57:14,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:14,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:14,069 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 19 treesize of output 17 [2018-04-13 06:57:14,069 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:14,080 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:14,081 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:14,081 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:14,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-04-13 06:57:14,082 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:14,091 INFO L267 ElimStorePlain]: Start of recursive call 87: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:15,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 77 [2018-04-13 06:57:15,243 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:15,243 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:15,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:15,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:15,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-04-13 06:57:15,248 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:15,260 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 [2018-04-13 06:57:15,260 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:15,267 INFO L267 ElimStorePlain]: Start of recursive call 90: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:16,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 90 [2018-04-13 06:57:16,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,386 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:16,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 77 [2018-04-13 06:57:16,388 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:16,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-04-13 06:57:16,455 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:16,517 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,519 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:16,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 83 [2018-04-13 06:57:16,523 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:16,606 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 79 treesize of output 72 [2018-04-13 06:57:16,607 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:16,668 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 75 treesize of output 68 [2018-04-13 06:57:16,668 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:16,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,728 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:16,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 78 [2018-04-13 06:57:16,731 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:16,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,789 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:16,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:16,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 71 [2018-04-13 06:57:16,791 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:16,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2018-04-13 06:57:16,844 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:57:16,892 INFO L267 ElimStorePlain]: Start of recursive call 93: 8 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-13 06:57:18,151 INFO L267 ElimStorePlain]: Start of recursive call 1: 98 dim-0 vars, 19 dim-2 vars, End of recursive call: 56 dim-0 vars, and 42 xjuncts. [2018-04-13 06:57:18,151 INFO L202 ElimStorePlain]: Needed 101 recursive calls to eliminate 117 variables, input treesize:1987, output treesize:882 [2018-04-13 06:57:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 316 proven. 6 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2018-04-13 06:57:18,591 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:57:18,591 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 06:57:18,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 06:57:18,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 06:57:18,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=518, Unknown=15, NotChecked=0, Total=600 [2018-04-13 06:57:18,592 INFO L87 Difference]: Start difference. First operand 487 states and 675 transitions. Second operand 25 states. [2018-04-13 06:57:50,061 WARN L148 SmtUtils]: Spent 387ms on a formula simplification that was a NOOP. DAG size: 612 [2018-04-13 06:57:50,972 WARN L151 SmtUtils]: Spent 797ms on a formula simplification. DAG size of input: 622 DAG size of output 615 [2018-04-13 06:57:51,883 WARN L151 SmtUtils]: Spent 798ms on a formula simplification. DAG size of input: 622 DAG size of output 615 [2018-04-13 06:57:56,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:57:56,520 INFO L93 Difference]: Finished difference Result 582 states and 789 transitions. [2018-04-13 06:57:56,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 06:57:56,521 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 280 [2018-04-13 06:57:56,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:57:56,523 INFO L225 Difference]: With dead ends: 582 [2018-04-13 06:57:56,523 INFO L226 Difference]: Without dead ends: 582 [2018-04-13 06:57:56,523 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=218, Invalid=1837, Unknown=15, NotChecked=0, Total=2070 [2018-04-13 06:57:56,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-04-13 06:57:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 526. [2018-04-13 06:57:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-04-13 06:57:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2018-04-13 06:57:56,532 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 280 [2018-04-13 06:57:56,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:57:56,532 INFO L459 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2018-04-13 06:57:56,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 06:57:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2018-04-13 06:57:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-04-13 06:57:56,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:57:56,537 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:57:56,537 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__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]=== [2018-04-13 06:57:56,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1804995829, now seen corresponding path program 3 times [2018-04-13 06:57:56,537 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:57:56,537 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:57:56,538 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:57:56,538 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:57:56,538 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:57:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:57:56,599 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:57:56,611 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:57:56,612 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:57:56,612 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:57:56,612 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:57:56,704 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-13 06:57:56,704 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:57:56,710 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:57:56,765 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 [2018-04-13 06:57:56,767 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 [2018-04-13 06:57:56,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,769 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,780 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 [2018-04-13 06:57:56,782 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 [2018-04-13 06:57:56,782 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,783 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,792 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-04-13 06:57:56,812 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 [2018-04-13 06:57:56,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:56,815 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 [2018-04-13 06:57:56,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,832 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 [2018-04-13 06:57:56,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:56,834 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 [2018-04-13 06:57:56,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,849 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-04-13 06:57:56,879 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 [2018-04-13 06:57:56,881 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 [2018-04-13 06:57:56,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:56,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:56,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 49 [2018-04-13 06:57:56,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:57:56,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:57:56,957 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 [2018-04-13 06:57:56,959 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 [2018-04-13 06:57:56,959 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,980 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:56,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:57:56,998 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:73, output treesize:132 [2018-04-13 06:57:57,069 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 125 treesize of output 118 [2018-04-13 06:57:57,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,072 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:57,074 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 37 treesize of output 58 [2018-04-13 06:57:57,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,153 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 162 treesize of output 149 [2018-04-13 06:57:57,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,156 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 151 treesize of output 172 [2018-04-13 06:57:57,157 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,237 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 134 treesize of output 160 [2018-04-13 06:57:57,238 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 06:57:57,297 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:57:57,389 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 148 treesize of output 136 [2018-04-13 06:57:57,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,392 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 137 treesize of output 158 [2018-04-13 06:57:57,393 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,439 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,441 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:57,441 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 118 treesize of output 102 [2018-04-13 06:57:57,443 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,446 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:57,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 85 [2018-04-13 06:57:57,446 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,460 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,513 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:57,514 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 114 treesize of output 104 [2018-04-13 06:57:57,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:57:57,516 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:57:57,516 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 60 [2018-04-13 06:57:57,517 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,526 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:57:57,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:57:57,565 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:288, output treesize:256 [2018-04-13 06:57:59,457 WARN L151 SmtUtils]: Spent 1380ms on a formula simplification. DAG size of input: 137 DAG size of output 102 [2018-04-13 06:57:59,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2018-04-13 06:57:59,508 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:57:59,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,012 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 [2018-04-13 06:58:00,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:00,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,330 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:00,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 268 [2018-04-13 06:58:00,583 WARN L151 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 79 DAG size of output 77 [2018-04-13 06:58:00,588 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 11 treesize of output 14 [2018-04-13 06:58:00,600 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 14 treesize of output 15 [2018-04-13 06:58:00,600 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:00,618 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:00,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:00,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 265 [2018-04-13 06:58:00,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,784 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 4 case distinctions, treesize of input 37 treesize of output 88 [2018-04-13 06:58:00,785 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-13 06:58:00,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,922 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 222 [2018-04-13 06:58:00,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,932 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:00,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 199 [2018-04-13 06:58:00,932 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:00,973 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:00,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:00,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 220 [2018-04-13 06:58:01,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,003 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 186 [2018-04-13 06:58:01,004 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,045 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 220 [2018-04-13 06:58:01,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,077 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 186 [2018-04-13 06:58:01,078 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,118 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,241 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:58:01,245 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 214 [2018-04-13 06:58:01,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 10 case distinctions, treesize of input 200 treesize of output 255 [2018-04-13 06:58:01,362 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 16 xjuncts. [2018-04-13 06:58:01,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,731 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 143 treesize of output 143 [2018-04-13 06:58:01,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,740 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:01,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 116 [2018-04-13 06:58:01,766 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,861 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:01,872 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,873 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 143 treesize of output 144 [2018-04-13 06:58:01,878 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:01,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 97 [2018-04-13 06:58:01,940 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,010 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,024 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 143 treesize of output 144 [2018-04-13 06:58:02,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 121 [2018-04-13 06:58:02,052 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,109 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,126 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 145 treesize of output 144 [2018-04-13 06:58:02,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 136 [2018-04-13 06:58:02,169 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,219 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,231 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 143 treesize of output 144 [2018-04-13 06:58:02,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:02,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 97 [2018-04-13 06:58:02,250 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,296 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:02,457 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-13 06:58:02,832 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-13 06:58:02,837 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:02,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 248 [2018-04-13 06:58:03,114 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 74 DAG size of output 66 [2018-04-13 06:58:03,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,121 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 86 [2018-04-13 06:58:03,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,141 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 91 [2018-04-13 06:58:03,149 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,174 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 185 [2018-04-13 06:58:03,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 76 [2018-04-13 06:58:03,270 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 4 xjuncts. [2018-04-13 06:58:03,340 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,341 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 182 treesize of output 169 [2018-04-13 06:58:03,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,346 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,346 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 0 case distinctions, treesize of input 132 treesize of output 115 [2018-04-13 06:58:03,347 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,367 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,374 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,375 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 182 treesize of output 169 [2018-04-13 06:58:03,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,380 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,380 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 0 case distinctions, treesize of input 132 treesize of output 115 [2018-04-13 06:58:03,381 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,402 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,410 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,411 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 184 treesize of output 171 [2018-04-13 06:58:03,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:03,416 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:03,417 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 0 case distinctions, treesize of input 132 treesize of output 115 [2018-04-13 06:58:03,417 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,437 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:03,509 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:58:03,575 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 06:58:04,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 140 [2018-04-13 06:58:04,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,283 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 67 [2018-04-13 06:58:04,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,289 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 74 [2018-04-13 06:58:04,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,303 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 2 case distinctions, treesize of input 39 treesize of output 82 [2018-04-13 06:58:04,303 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,322 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,337 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,366 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,367 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 112 treesize of output 110 [2018-04-13 06:58:04,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,370 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,371 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 85 treesize of output 109 [2018-04-13 06:58:04,371 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,383 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,387 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,387 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 120 treesize of output 118 [2018-04-13 06:58:04,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,391 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,391 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 93 treesize of output 117 [2018-04-13 06:58:04,391 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,404 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,433 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 223 [2018-04-13 06:58:04,459 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 [2018-04-13 06:58:04,463 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 35 [2018-04-13 06:58:04,463 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,469 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,517 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 192 [2018-04-13 06:58:04,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,532 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,532 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 197 treesize of output 227 [2018-04-13 06:58:04,533 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,620 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,621 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 160 treesize of output 178 [2018-04-13 06:58:04,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,625 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,626 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 104 treesize of output 130 [2018-04-13 06:58:04,626 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,645 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,706 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 174 [2018-04-13 06:58:04,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 323 [2018-04-13 06:58:04,731 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-13 06:58:04,794 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,837 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,878 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:58:04,883 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 152 [2018-04-13 06:58:04,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:58:04,890 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:58:04,893 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_356 term size 34 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-13 06:58:04,896 INFO L168 Benchmark]: Toolchain (without parser) took 474536.96 ms. Allocated memory was 396.4 MB in the beginning and 792.7 MB in the end (delta: 396.4 MB). Free memory was 331.9 MB in the beginning and 359.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 399.2 MB. Max. memory is 5.3 GB. [2018-04-13 06:58:04,897 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 396.4 MB. Free memory is still 358.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 06:58:04,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.44 ms. Allocated memory is still 396.4 MB. Free memory was 331.9 MB in the beginning and 302.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-13 06:58:04,897 INFO L168 Benchmark]: Boogie Preprocessor took 38.54 ms. Allocated memory is still 396.4 MB. Free memory was 302.8 MB in the beginning and 297.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. [2018-04-13 06:58:04,897 INFO L168 Benchmark]: RCFGBuilder took 687.63 ms. Allocated memory was 396.4 MB in the beginning and 601.4 MB in the end (delta: 205.0 MB). Free memory was 297.6 MB in the beginning and 477.0 MB in the end (delta: -179.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 5.3 GB. [2018-04-13 06:58:04,897 INFO L168 Benchmark]: TraceAbstraction took 473557.67 ms. Allocated memory was 601.4 MB in the beginning and 792.7 MB in the end (delta: 191.4 MB). Free memory was 477.0 MB in the beginning and 359.0 MB in the end (delta: 118.0 MB). Peak memory consumption was 339.3 MB. Max. memory is 5.3 GB. [2018-04-13 06:58:04,898 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 396.4 MB. Free memory is still 358.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 250.44 ms. Allocated memory is still 396.4 MB. Free memory was 331.9 MB in the beginning and 302.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.54 ms. Allocated memory is still 396.4 MB. Free memory was 302.8 MB in the beginning and 297.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 687.63 ms. Allocated memory was 396.4 MB in the beginning and 601.4 MB in the end (delta: 205.0 MB). Free memory was 297.6 MB in the beginning and 477.0 MB in the end (delta: -179.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 473557.67 ms. Allocated memory was 601.4 MB in the beginning and 792.7 MB in the end (delta: 191.4 MB). Free memory was 477.0 MB in the beginning and 359.0 MB in the end (delta: 118.0 MB). Peak memory consumption was 339.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_356 term size 34 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_356 term size 34: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/split_list_test05_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_06-58-04-902.csv Received shutdown request...