java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 13:55:30,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 13:55:30,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 13:55:30,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 13:55:30,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 13:55:30,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 13:55:30,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 13:55:30,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 13:55:30,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 13:55:30,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 13:55:30,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 13:55:30,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 13:55:30,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 13:55:30,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 13:55:30,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 13:55:30,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 13:55:30,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 13:55:30,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 13:55:30,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 13:55:30,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 13:55:30,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 13:55:30,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 13:55:30,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 13:55:30,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 13:55:30,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 13:55:30,041 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 13:55:30,041 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 13:55:30,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 13:55:30,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 13:55:30,042 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 13:55:30,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 13:55:30,043 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 13:55:30,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 13:55:30,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 13:55:30,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 13:55:30,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 13:55:30,054 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 13:55:30,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 13:55:30,055 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 13:55:30,056 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 13:55:30,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 13:55:30,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 13:55:30,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 13:55:30,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 13:55:30,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 13:55:30,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 13:55:30,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 13:55:30,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 13:55:30,057 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 13:55:30,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 13:55:30,057 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 13:55:30,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 13:55:30,096 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 13:55:30,100 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 13:55:30,101 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 13:55:30,101 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 13:55:30,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,387 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG43998f66a [2018-04-12 13:55:30,534 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 13:55:30,534 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 13:55:30,535 INFO L168 CDTParser]: Scanning length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,542 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 13:55:30,542 INFO L215 ultiparseSymbolTable]: [2018-04-12 13:55:30,542 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 13:55:30,543 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i__append ('append') in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__nlink_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fd_mask in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__wchar_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_attr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sig_atomic_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_once_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int8_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__dev_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_condattr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,543 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__id_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_int in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clock_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__timer_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clockid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int8_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_spinlock_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____nlink_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sigset_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__suseconds_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__gid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ssize_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_mask in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_short in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,544 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uint in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_long in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsword_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint16_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int8_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__daddr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clock_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_slong_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,545 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____loff_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__register_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____daddr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrierattr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ldiv_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_quad_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,546 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ushort in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutex_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____time_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____useconds_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__loff_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____key_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ino_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint8_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,547 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____qaddr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int16_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blksize_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_char in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blksize_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_key_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlock_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__lldiv_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____dev_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,548 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint32_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__time_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__div_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int32_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____id_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_ulong_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ulong in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__mode_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,549 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__sigset_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pthread_slist_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int32_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_short in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__caddr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__key_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlockattr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____caddr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_set in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____quad_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____mode_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____gid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int32_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,550 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ssize_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____socklen_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutexattr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__off_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____timer_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_long in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_cond_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int16_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__size_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____intptr_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int16_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blkcnt_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clockid_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_char in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__quad_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,551 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off64_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____suseconds_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrier_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,552 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_quad_t in length_test03_true-valid-memsafety.i [2018-04-12 13:55:30,564 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG43998f66a [2018-04-12 13:55:30,567 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 13:55:30,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 13:55:30,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 13:55:30,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 13:55:30,573 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 13:55:30,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1b39bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30, skipping insertion in model container [2018-04-12 13:55:30,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,586 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 13:55:30,610 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 13:55:30,759 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 13:55:30,799 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 13:55:30,805 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 119 non ball SCCs. Number of states in SCCs 119. [2018-04-12 13:55:30,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30 WrapperNode [2018-04-12 13:55:30,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 13:55:30,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 13:55:30,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 13:55:30,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 13:55:30,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... [2018-04-12 13:55:30,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 13:55:30,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 13:55:30,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 13:55:30,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 13:55:30,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 13:55:30,992 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 13:55:30,993 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 13:55:30,993 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-04-12 13:55:30,993 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-04-12 13:55:30,993 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-04-12 13:55:30,993 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 13:55:30,993 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 13:55:30,994 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 13:55:30,995 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 13:55:30,996 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 13:55:30,997 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 13:55:30,998 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-12 13:55:30,999 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 13:55:31,000 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 13:55:31,001 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 13:55:31,002 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-12 13:55:31,003 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 13:55:31,004 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 13:55:31,005 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 13:55:31,395 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 13:55:31,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 01:55:31 BoogieIcfgContainer [2018-04-12 13:55:31,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 13:55:31,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 13:55:31,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 13:55:31,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 13:55:31,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 01:55:30" (1/3) ... [2018-04-12 13:55:31,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c02e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 01:55:31, skipping insertion in model container [2018-04-12 13:55:31,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 01:55:30" (2/3) ... [2018-04-12 13:55:31,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c02e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 01:55:31, skipping insertion in model container [2018-04-12 13:55:31,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 01:55:31" (3/3) ... [2018-04-12 13:55:31,402 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_true-valid-memsafety.i [2018-04-12 13:55:31,410 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 13:55:31,417 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-12 13:55:31,451 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 13:55:31,451 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 13:55:31,452 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 13:55:31,452 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 13:55:31,452 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 13:55:31,452 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 13:55:31,452 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 13:55:31,452 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 13:55:31,452 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 13:55:31,452 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 13:55:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-04-12 13:55:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 13:55:31,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:31,468 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:31,468 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:31,471 INFO L82 PathProgramCache]: Analyzing trace with hash 785922242, now seen corresponding path program 1 times [2018-04-12 13:55:31,472 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:31,472 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:31,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:31,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:31,502 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:31,535 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:31,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:31,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:31,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:31,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:31,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:31,595 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 4 states. [2018-04-12 13:55:31,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:31,790 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-12 13:55:31,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 13:55:31,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 13:55:31,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:31,804 INFO L225 Difference]: With dead ends: 175 [2018-04-12 13:55:31,804 INFO L226 Difference]: Without dead ends: 172 [2018-04-12 13:55:31,806 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:31,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-12 13:55:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 134. [2018-04-12 13:55:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-12 13:55:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 140 transitions. [2018-04-12 13:55:31,846 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 140 transitions. Word has length 8 [2018-04-12 13:55:31,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:31,846 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 140 transitions. [2018-04-12 13:55:31,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2018-04-12 13:55:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 13:55:31,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:31,847 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:31,847 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:31,847 INFO L82 PathProgramCache]: Analyzing trace with hash 785922243, now seen corresponding path program 1 times [2018-04-12 13:55:31,847 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:31,847 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:31,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:31,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:31,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:31,865 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:31,897 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:31,897 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:31,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:31,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:31,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:31,899 INFO L87 Difference]: Start difference. First operand 134 states and 140 transitions. Second operand 4 states. [2018-04-12 13:55:31,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:31,982 INFO L93 Difference]: Finished difference Result 134 states and 141 transitions. [2018-04-12 13:55:31,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:55:31,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 13:55:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:31,983 INFO L225 Difference]: With dead ends: 134 [2018-04-12 13:55:31,983 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 13:55:31,983 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:31,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 13:55:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-04-12 13:55:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-12 13:55:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2018-04-12 13:55:31,988 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 8 [2018-04-12 13:55:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:31,988 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2018-04-12 13:55:31,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2018-04-12 13:55:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 13:55:31,989 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:31,989 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:31,989 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:31,989 INFO L82 PathProgramCache]: Analyzing trace with hash 580924999, now seen corresponding path program 1 times [2018-04-12 13:55:31,989 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:31,989 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:31,990 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:31,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:31,990 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,001 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,048 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:32,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:32,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:32,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:32,049 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand 4 states. [2018-04-12 13:55:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:32,142 INFO L93 Difference]: Finished difference Result 132 states and 139 transitions. [2018-04-12 13:55:32,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:55:32,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-12 13:55:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:32,143 INFO L225 Difference]: With dead ends: 132 [2018-04-12 13:55:32,143 INFO L226 Difference]: Without dead ends: 132 [2018-04-12 13:55:32,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:32,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-12 13:55:32,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2018-04-12 13:55:32,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-12 13:55:32,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 136 transitions. [2018-04-12 13:55:32,148 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 136 transitions. Word has length 12 [2018-04-12 13:55:32,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:32,148 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 136 transitions. [2018-04-12 13:55:32,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 136 transitions. [2018-04-12 13:55:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 13:55:32,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:32,148 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:32,148 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:32,149 INFO L82 PathProgramCache]: Analyzing trace with hash 580924998, now seen corresponding path program 1 times [2018-04-12 13:55:32,149 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:32,149 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:32,149 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:32,149 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,159 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,178 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:32,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:32,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:32,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:32,179 INFO L87 Difference]: Start difference. First operand 130 states and 136 transitions. Second operand 4 states. [2018-04-12 13:55:32,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:32,267 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2018-04-12 13:55:32,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 13:55:32,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-12 13:55:32,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:32,268 INFO L225 Difference]: With dead ends: 146 [2018-04-12 13:55:32,268 INFO L226 Difference]: Without dead ends: 146 [2018-04-12 13:55:32,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-04-12 13:55:32,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2018-04-12 13:55:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-12 13:55:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2018-04-12 13:55:32,273 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 12 [2018-04-12 13:55:32,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:32,274 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2018-04-12 13:55:32,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2018-04-12 13:55:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 13:55:32,274 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:32,274 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] [2018-04-12 13:55:32,274 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:32,274 INFO L82 PathProgramCache]: Analyzing trace with hash 606155154, now seen corresponding path program 1 times [2018-04-12 13:55:32,274 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:32,274 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:32,275 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:32,275 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,289 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:32,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:32,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:32,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:32,313 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand 4 states. [2018-04-12 13:55:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:32,398 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2018-04-12 13:55:32,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:55:32,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-12 13:55:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:32,399 INFO L225 Difference]: With dead ends: 128 [2018-04-12 13:55:32,399 INFO L226 Difference]: Without dead ends: 128 [2018-04-12 13:55:32,399 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-12 13:55:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-04-12 13:55:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-12 13:55:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-04-12 13:55:32,403 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 20 [2018-04-12 13:55:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:32,404 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-04-12 13:55:32,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-04-12 13:55:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 13:55:32,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:32,404 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] [2018-04-12 13:55:32,404 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash 606155155, now seen corresponding path program 1 times [2018-04-12 13:55:32,404 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:32,404 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:32,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:32,405 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,416 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,440 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:32,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 13:55:32,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 13:55:32,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 13:55:32,441 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand 4 states. [2018-04-12 13:55:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:32,506 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-04-12 13:55:32,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:55:32,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-12 13:55:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:32,507 INFO L225 Difference]: With dead ends: 123 [2018-04-12 13:55:32,507 INFO L226 Difference]: Without dead ends: 123 [2018-04-12 13:55:32,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:55:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-12 13:55:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-04-12 13:55:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-12 13:55:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2018-04-12 13:55:32,512 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 20 [2018-04-12 13:55:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:32,513 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2018-04-12 13:55:32,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 13:55:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2018-04-12 13:55:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 13:55:32,513 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:32,513 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] [2018-04-12 13:55:32,513 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:32,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1610940695, now seen corresponding path program 1 times [2018-04-12 13:55:32,513 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:32,513 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:32,514 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:32,514 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,595 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 13:55:32,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 13:55:32,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 13:55:32,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 13:55:32,595 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand 8 states. [2018-04-12 13:55:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:32,773 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-04-12 13:55:32,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 13:55:32,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-12 13:55:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:32,775 INFO L225 Difference]: With dead ends: 230 [2018-04-12 13:55:32,775 INFO L226 Difference]: Without dead ends: 230 [2018-04-12 13:55:32,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-12 13:55:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-12 13:55:32,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 144. [2018-04-12 13:55:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-12 13:55:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 164 transitions. [2018-04-12 13:55:32,780 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 164 transitions. Word has length 21 [2018-04-12 13:55:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:32,780 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 164 transitions. [2018-04-12 13:55:32,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 13:55:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2018-04-12 13:55:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 13:55:32,780 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:32,780 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] [2018-04-12 13:55:32,780 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:32,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1610940696, now seen corresponding path program 1 times [2018-04-12 13:55:32,781 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:32,781 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:32,781 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:32,781 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:32,793 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:32,852 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:32,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 13:55:32,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 13:55:32,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 13:55:32,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 13:55:32,853 INFO L87 Difference]: Start difference. First operand 144 states and 164 transitions. Second operand 8 states. [2018-04-12 13:55:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:33,011 INFO L93 Difference]: Finished difference Result 172 states and 194 transitions. [2018-04-12 13:55:33,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 13:55:33,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-12 13:55:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:33,012 INFO L225 Difference]: With dead ends: 172 [2018-04-12 13:55:33,012 INFO L226 Difference]: Without dead ends: 172 [2018-04-12 13:55:33,012 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-04-12 13:55:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-12 13:55:33,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2018-04-12 13:55:33,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-12 13:55:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 194 transitions. [2018-04-12 13:55:33,015 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 194 transitions. Word has length 21 [2018-04-12 13:55:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:33,016 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 194 transitions. [2018-04-12 13:55:33,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 13:55:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 194 transitions. [2018-04-12 13:55:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 13:55:33,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:33,017 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:33,017 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:33,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1221998067, now seen corresponding path program 1 times [2018-04-12 13:55:33,017 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:33,017 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:33,018 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:33,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:33,018 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:33,034 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:33,204 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:33,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 13:55:33,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 13:55:33,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 13:55:33,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-04-12 13:55:33,205 INFO L87 Difference]: Start difference. First operand 170 states and 194 transitions. Second operand 11 states. [2018-04-12 13:55:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:33,515 INFO L93 Difference]: Finished difference Result 172 states and 193 transitions. [2018-04-12 13:55:33,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 13:55:33,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 13:55:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:33,517 INFO L225 Difference]: With dead ends: 172 [2018-04-12 13:55:33,517 INFO L226 Difference]: Without dead ends: 172 [2018-04-12 13:55:33,517 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-04-12 13:55:33,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-12 13:55:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2018-04-12 13:55:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-12 13:55:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 193 transitions. [2018-04-12 13:55:33,522 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 193 transitions. Word has length 30 [2018-04-12 13:55:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:33,522 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 193 transitions. [2018-04-12 13:55:33,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 13:55:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 193 transitions. [2018-04-12 13:55:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 13:55:33,523 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:33,523 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, 1, 1] [2018-04-12 13:55:33,523 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:33,523 INFO L82 PathProgramCache]: Analyzing trace with hash 547197936, now seen corresponding path program 1 times [2018-04-12 13:55:33,524 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:33,524 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:33,524 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:33,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:33,525 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:33,541 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:33,849 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:33,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-12 13:55:33,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 13:55:33,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 13:55:33,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-12 13:55:33,850 INFO L87 Difference]: Start difference. First operand 170 states and 193 transitions. Second operand 14 states. [2018-04-12 13:55:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:34,278 INFO L93 Difference]: Finished difference Result 196 states and 218 transitions. [2018-04-12 13:55:34,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 13:55:34,278 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2018-04-12 13:55:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:34,279 INFO L225 Difference]: With dead ends: 196 [2018-04-12 13:55:34,279 INFO L226 Difference]: Without dead ends: 196 [2018-04-12 13:55:34,279 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2018-04-12 13:55:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-12 13:55:34,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 161. [2018-04-12 13:55:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-12 13:55:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 181 transitions. [2018-04-12 13:55:34,283 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 181 transitions. Word has length 32 [2018-04-12 13:55:34,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:34,283 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 181 transitions. [2018-04-12 13:55:34,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 13:55:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2018-04-12 13:55:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 13:55:34,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:34,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:34,284 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:34,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1510794234, now seen corresponding path program 1 times [2018-04-12 13:55:34,284 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:34,284 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:34,284 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:34,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:34,284 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:34,296 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:34,313 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:55:34,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:55:34,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 13:55:34,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 13:55:34,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 13:55:34,314 INFO L87 Difference]: Start difference. First operand 161 states and 181 transitions. Second operand 3 states. [2018-04-12 13:55:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:34,324 INFO L93 Difference]: Finished difference Result 170 states and 187 transitions. [2018-04-12 13:55:34,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 13:55:34,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-04-12 13:55:34,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:34,326 INFO L225 Difference]: With dead ends: 170 [2018-04-12 13:55:34,326 INFO L226 Difference]: Without dead ends: 170 [2018-04-12 13:55:34,326 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 [2018-04-12 13:55:34,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-12 13:55:34,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 157. [2018-04-12 13:55:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-12 13:55:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 173 transitions. [2018-04-12 13:55:34,330 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 173 transitions. Word has length 38 [2018-04-12 13:55:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:34,331 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 173 transitions. [2018-04-12 13:55:34,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 13:55:34,331 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 173 transitions. [2018-04-12 13:55:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-12 13:55:34,332 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:34,332 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] [2018-04-12 13:55:34,332 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:34,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1650874349, now seen corresponding path program 1 times [2018-04-12 13:55:34,332 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:34,332 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:34,333 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:34,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:34,333 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:34,346 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:34,559 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:34,559 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:34,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:34,612 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:34,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:34,768 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:34,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:55:34,771 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:34,780 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 12 treesize of output 15 [2018-04-12 13:55:34,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:34,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:34,784 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 13:55:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:34,860 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:55:34,860 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2018-04-12 13:55:34,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 13:55:34,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 13:55:34,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-04-12 13:55:34,861 INFO L87 Difference]: Start difference. First operand 157 states and 173 transitions. Second operand 24 states. [2018-04-12 13:55:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:35,376 INFO L93 Difference]: Finished difference Result 196 states and 207 transitions. [2018-04-12 13:55:35,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 13:55:35,376 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 41 [2018-04-12 13:55:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:35,377 INFO L225 Difference]: With dead ends: 196 [2018-04-12 13:55:35,377 INFO L226 Difference]: Without dead ends: 196 [2018-04-12 13:55:35,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 13:55:35,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-12 13:55:35,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 157. [2018-04-12 13:55:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-12 13:55:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2018-04-12 13:55:35,382 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 41 [2018-04-12 13:55:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:35,382 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2018-04-12 13:55:35,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 13:55:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2018-04-12 13:55:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-12 13:55:35,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:35,384 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:35,384 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:35,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1920567715, now seen corresponding path program 1 times [2018-04-12 13:55:35,384 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:35,384 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:35,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:35,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:35,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:35,402 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:35,504 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:35,504 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:35,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:35,538 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:35,554 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (and (= 0 (select |c_old(#valid)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 1)))) is different from true [2018-04-12 13:55:35,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:35,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:35,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 13:55:35,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:35,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:35,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-12 13:55:35,618 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 17 treesize of output 20 [2018-04-12 13:55:35,618 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:35,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:35,624 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:20 [2018-04-12 13:55:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-04-12 13:55:35,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:55:35,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2018-04-12 13:55:35,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 13:55:35,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 13:55:35,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=255, Unknown=1, NotChecked=32, Total=342 [2018-04-12 13:55:35,685 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 19 states. [2018-04-12 13:55:36,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:36,169 INFO L93 Difference]: Finished difference Result 193 states and 203 transitions. [2018-04-12 13:55:36,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 13:55:36,169 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 43 [2018-04-12 13:55:36,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:36,169 INFO L225 Difference]: With dead ends: 193 [2018-04-12 13:55:36,170 INFO L226 Difference]: Without dead ends: 193 [2018-04-12 13:55:36,170 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=623, Unknown=1, NotChecked=52, Total=812 [2018-04-12 13:55:36,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-12 13:55:36,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 158. [2018-04-12 13:55:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-12 13:55:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2018-04-12 13:55:36,173 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 43 [2018-04-12 13:55:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:36,173 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2018-04-12 13:55:36,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 13:55:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2018-04-12 13:55:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-12 13:55:36,174 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:36,174 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:36,174 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1920567716, now seen corresponding path program 1 times [2018-04-12 13:55:36,174 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:36,174 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:36,175 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:36,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:36,175 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:36,186 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:36,297 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:36,297 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:36,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:36,341 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:36,392 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (= |c_#length| (store |c_old(#length)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 9))) is different from true [2018-04-12 13:55:36,403 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 14 treesize of output 20 [2018-04-12 13:55:36,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:36,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:36,413 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2018-04-12 13:55:36,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 33 [2018-04-12 13:55:36,471 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2018-04-12 13:55:36,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 13:55:36,485 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:47 [2018-04-12 13:55:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-04-12 13:55:36,534 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:55:36,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2018-04-12 13:55:36,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 13:55:36,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 13:55:36,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=367, Unknown=1, NotChecked=38, Total=462 [2018-04-12 13:55:36,535 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 22 states. [2018-04-12 13:55:37,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:37,310 INFO L93 Difference]: Finished difference Result 217 states and 229 transitions. [2018-04-12 13:55:37,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 13:55:37,311 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2018-04-12 13:55:37,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:37,312 INFO L225 Difference]: With dead ends: 217 [2018-04-12 13:55:37,312 INFO L226 Difference]: Without dead ends: 217 [2018-04-12 13:55:37,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=1026, Unknown=1, NotChecked=66, Total=1260 [2018-04-12 13:55:37,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-04-12 13:55:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 185. [2018-04-12 13:55:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-12 13:55:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 201 transitions. [2018-04-12 13:55:37,318 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 201 transitions. Word has length 43 [2018-04-12 13:55:37,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:37,318 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 201 transitions. [2018-04-12 13:55:37,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 13:55:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 201 transitions. [2018-04-12 13:55:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 13:55:37,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:37,319 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:37,319 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:37,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1552822926, now seen corresponding path program 1 times [2018-04-12 13:55:37,319 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:37,320 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:37,320 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:37,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:37,320 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:37,342 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:37,786 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:37,786 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:37,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:37,816 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:37,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 13:55:37,897 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:37,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:37,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-12 13:55:38,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:55:38,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:55:38,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,064 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,064 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-12 13:55:38,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-12 13:55:38,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-12 13:55:38,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:38,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-04-12 13:55:38,127 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:38,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:38,144 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-04-12 13:55:38,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-04-12 13:55:38,197 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:55:38,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-04-12 13:55:38,234 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 54 [2018-04-12 13:55:38,243 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:38,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,275 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 51 treesize of output 66 [2018-04-12 13:55:38,275 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,293 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:38,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 13:55:38,309 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-04-12 13:55:38,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,371 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 66 treesize of output 60 [2018-04-12 13:55:38,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:38,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:139, output treesize:60 [2018-04-12 13:55:38,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-04-12 13:55:38,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:38,531 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:74, output treesize:82 [2018-04-12 13:55:38,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-12 13:55:38,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:55:38,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,711 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. [2018-04-12 13:55:38,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-04-12 13:55:38,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-12 13:55:38,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:55:38,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,780 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. [2018-04-12 13:55:38,780 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-04-12 13:55:38,842 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 [2018-04-12 13:55:38,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:55:38,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,859 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:38,860 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 [2018-04-12 13:55:38,860 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:38,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:55:38,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:38,889 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. [2018-04-12 13:55:38,889 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-04-12 13:55:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:38,954 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:55:38,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2018-04-12 13:55:38,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 13:55:38,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 13:55:38,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1827, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 13:55:38,955 INFO L87 Difference]: Start difference. First operand 185 states and 201 transitions. Second operand 45 states. [2018-04-12 13:55:39,388 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 69 DAG size of output 62 [2018-04-12 13:55:41,816 WARN L151 SmtUtils]: Spent 325ms on a formula simplification. DAG size of input: 100 DAG size of output 69 [2018-04-12 13:55:42,225 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 109 DAG size of output 72 [2018-04-12 13:55:42,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:42,930 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2018-04-12 13:55:42,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 13:55:42,931 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 50 [2018-04-12 13:55:42,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:42,932 INFO L225 Difference]: With dead ends: 247 [2018-04-12 13:55:42,932 INFO L226 Difference]: Without dead ends: 247 [2018-04-12 13:55:42,933 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=671, Invalid=4879, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 13:55:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-04-12 13:55:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 185. [2018-04-12 13:55:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-12 13:55:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 200 transitions. [2018-04-12 13:55:42,939 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 200 transitions. Word has length 50 [2018-04-12 13:55:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:42,939 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 200 transitions. [2018-04-12 13:55:42,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 13:55:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 200 transitions. [2018-04-12 13:55:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 13:55:42,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:42,939 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:42,939 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:42,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1552822925, now seen corresponding path program 1 times [2018-04-12 13:55:42,940 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:42,940 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:42,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:42,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:42,941 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:42,957 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:43,370 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:43,371 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:43,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:43,403 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:43,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 13:55:43,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,441 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-12 13:55:43,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 13:55:43,502 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,505 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2018-04-12 13:55:43,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:55:43,565 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 [2018-04-12 13:55:43,565 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:55:43,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:55:43,582 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,594 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:42, output treesize:34 [2018-04-12 13:55:43,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-12 13:55:43,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-12 13:55:43,636 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-12 13:55:43,654 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:43,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:43,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-12 13:55:43,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-12 13:55:43,691 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-12 13:55:43,712 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:43,724 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:43,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:43,743 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:60, output treesize:203 [2018-04-12 13:55:43,837 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 151 [2018-04-12 13:55:43,843 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:43,851 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 138 treesize of output 146 [2018-04-12 13:55:43,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:43,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:43,930 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 145 treesize of output 172 [2018-04-12 13:55:43,930 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:43,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:44,069 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 117 treesize of output 98 [2018-04-12 13:55:44,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,072 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:44,074 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2018-04-12 13:55:44,074 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,084 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,098 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 152 treesize of output 152 [2018-04-12 13:55:44,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,102 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 145 treesize of output 172 [2018-04-12 13:55:44,102 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,166 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 150 [2018-04-12 13:55:44,167 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:44,200 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:55:44,256 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 72 treesize of output 67 [2018-04-12 13:55:44,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:55:44,259 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,269 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,309 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 68 treesize of output 63 [2018-04-12 13:55:44,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:55:44,312 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,326 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:55:44,366 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:235, output treesize:267 [2018-04-12 13:55:44,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,460 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 150 treesize of output 144 [2018-04-12 13:55:44,461 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,500 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:291, output treesize:144 [2018-04-12 13:55:44,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-04-12 13:55:44,645 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:55:44,662 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:55:44,676 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:158, output treesize:141 [2018-04-12 13:55:44,834 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 118 treesize of output 148 [2018-04-12 13:55:44,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 138 [2018-04-12 13:55:44,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:44,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:44,918 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 108 treesize of output 159 [2018-04-12 13:55:44,918 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-12 13:55:44,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:55:45,037 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 143 treesize of output 128 [2018-04-12 13:55:45,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,041 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:45,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 64 [2018-04-12 13:55:45,043 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,056 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,063 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 143 treesize of output 128 [2018-04-12 13:55:45,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,078 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:45,080 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 78 [2018-04-12 13:55:45,080 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,102 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 159 [2018-04-12 13:55:45,123 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 159 treesize of output 158 [2018-04-12 13:55:45,123 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,185 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,198 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 117 treesize of output 168 [2018-04-12 13:55:45,198 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-04-12 13:55:45,262 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:55:45,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 13:55:45,319 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:170, output treesize:327 [2018-04-12 13:55:45,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 177 [2018-04-12 13:55:45,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,460 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 160 treesize of output 183 [2018-04-12 13:55:45,461 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 166 [2018-04-12 13:55:45,525 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 182 [2018-04-12 13:55:45,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 172 [2018-04-12 13:55:45,708 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,794 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2018-04-12 13:55:45,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:45,899 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 36 treesize of output 63 [2018-04-12 13:55:45,899 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:45,914 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 131 [2018-04-12 13:55:46,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:46,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 63 [2018-04-12 13:55:46,003 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,016 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,088 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 141 [2018-04-12 13:55:46,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-04-12 13:55:46,092 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,104 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,161 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 107 [2018-04-12 13:55:46,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-04-12 13:55:46,164 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,173 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 13:55:46,219 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 11 variables, input treesize:481, output treesize:391 [2018-04-12 13:55:46,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 134 [2018-04-12 13:55:46,340 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:46,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-12 13:55:46,341 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,365 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-04-12 13:55:46,366 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 93 [2018-04-12 13:55:46,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 13:55:46,409 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,422 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,422 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 43 treesize of output 31 [2018-04-12 13:55:46,423 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,432 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 68 [2018-04-12 13:55:46,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:46,463 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 [2018-04-12 13:55:46,464 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,474 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-12 13:55:46,474 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,481 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,499 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 67 treesize of output 60 [2018-04-12 13:55:46,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:55:46,501 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,509 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:46,510 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 [2018-04-12 13:55:46,510 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,523 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:46,537 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:265, output treesize:14 [2018-04-12 13:55:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:46,606 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:55:46,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 40 [2018-04-12 13:55:46,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 13:55:46,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 13:55:46,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1528, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 13:55:46,607 INFO L87 Difference]: Start difference. First operand 185 states and 200 transitions. Second operand 41 states. [2018-04-12 13:55:47,530 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 114 DAG size of output 100 [2018-04-12 13:55:48,209 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 175 DAG size of output 105 [2018-04-12 13:55:48,696 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 207 DAG size of output 73 [2018-04-12 13:55:48,935 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 180 DAG size of output 110 [2018-04-12 13:55:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:55:50,081 INFO L93 Difference]: Finished difference Result 244 states and 266 transitions. [2018-04-12 13:55:50,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 13:55:50,081 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 50 [2018-04-12 13:55:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:55:50,082 INFO L225 Difference]: With dead ends: 244 [2018-04-12 13:55:50,082 INFO L226 Difference]: Without dead ends: 244 [2018-04-12 13:55:50,083 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=514, Invalid=4042, Unknown=0, NotChecked=0, Total=4556 [2018-04-12 13:55:50,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-04-12 13:55:50,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 185. [2018-04-12 13:55:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-12 13:55:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 199 transitions. [2018-04-12 13:55:50,086 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 199 transitions. Word has length 50 [2018-04-12 13:55:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:55:50,086 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 199 transitions. [2018-04-12 13:55:50,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 13:55:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 199 transitions. [2018-04-12 13:55:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-12 13:55:50,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:55:50,087 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:55:50,087 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:55:50,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1015537919, now seen corresponding path program 1 times [2018-04-12 13:55:50,087 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:55:50,087 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:55:50,088 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:50,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:50,088 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:55:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:50,106 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:55:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:55:50,771 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:55:50,772 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:55:50,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:55:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:55:50,800 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:55:50,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:50,805 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:50,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:55:50,805 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,806 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-12 13:55:50,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:55:50,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 13:55:50,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:55:50,863 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 8 treesize of output 7 [2018-04-12 13:55:50,863 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,864 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,869 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:32, output treesize:24 [2018-04-12 13:55:50,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-12 13:55:50,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:50,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:55:50,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-12 13:55:50,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:50,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:55:50,889 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,892 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:50,897 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2018-04-12 13:55:51,104 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset Int)) (let ((.cse1 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 1)) (.cse2 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 5)) (.cse3 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset 4))) (and (= (select |c_old(#valid)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) 0) (= |c_#memory_$Pointer$.offset| (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset)))) (store .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0)))) (= |c_#memory_$Pointer$.base| (let ((.cse4 (store |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)))) (store .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0))))))) is different from true [2018-04-12 13:55:51,231 WARN L148 SmtUtils]: Spent 122ms on a formula simplification that was a NOOP. DAG size: 70 [2018-04-12 13:55:51,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:55:51,241 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,346 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 59 treesize of output 61 [2018-04-12 13:55:51,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-04-12 13:55:51,352 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-12 13:55:51,353 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,360 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,386 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 51 treesize of output 48 [2018-04-12 13:55:51,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 13:55:51,405 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:55:51,405 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,437 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,452 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 30 treesize of output 55 [2018-04-12 13:55:51,452 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:51,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,493 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:51,495 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 30 treesize of output 39 [2018-04-12 13:55:51,496 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,534 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 30 treesize of output 53 [2018-04-12 13:55:51,534 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,570 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:51,607 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:51,672 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:51,685 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 52 treesize of output 60 [2018-04-12 13:55:51,687 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 13 treesize of output 16 [2018-04-12 13:55:51,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:55:51,691 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,699 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,733 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 51 treesize of output 60 [2018-04-12 13:55:51,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:55:51,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:55:51,738 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,743 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,755 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,771 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,876 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 59 treesize of output 61 [2018-04-12 13:55:51,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-04-12 13:55:51,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,882 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 41 [2018-04-12 13:55:51,883 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,890 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:51,906 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 51 treesize of output 48 [2018-04-12 13:55:51,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 13:55:51,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,953 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 36 treesize of output 55 [2018-04-12 13:55:51,953 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-04-12 13:55:51,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:51,989 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:55:51,991 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 30 treesize of output 39 [2018-04-12 13:55:51,991 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,038 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:52,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:52,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:52,041 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 30 treesize of output 53 [2018-04-12 13:55:52,041 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,067 INFO L267 ElimStorePlain]: Start of recursive call 22: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:52,092 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:52,125 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:55:52,135 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 52 treesize of output 60 [2018-04-12 13:55:52,137 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 13:55:52,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:52,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:55:52,156 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,161 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,177 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 51 treesize of output 60 [2018-04-12 13:55:52,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:55:52,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:55:52,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:55:52,182 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,185 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,193 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,202 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:55:52,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 28 dim-0 vars, and 14 xjuncts. [2018-04-12 13:55:52,296 INFO L202 ElimStorePlain]: Needed 31 recursive calls to eliminate 7 variables, input treesize:135, output treesize:1396 [2018-04-12 13:56:10,480 WARN L151 SmtUtils]: Spent 15869ms on a formula simplification. DAG size of input: 359 DAG size of output 38 [2018-04-12 13:56:10,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-04-12 13:56:10,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:10,656 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 18 treesize of output 10 [2018-04-12 13:56:10,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:10,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:56:10,665 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-04-12 13:56:10,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:10,680 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 18 treesize of output 10 [2018-04-12 13:56:10,680 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:10,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:56:10,688 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,690 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:10,693 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:87, output treesize:7 [2018-04-12 13:56:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:56:10,793 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:10,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 35 [2018-04-12 13:56:10,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 13:56:10,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 13:56:10,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1016, Unknown=16, NotChecked=64, Total=1190 [2018-04-12 13:56:10,794 INFO L87 Difference]: Start difference. First operand 185 states and 199 transitions. Second operand 35 states. [2018-04-12 13:56:12,368 WARN L148 SmtUtils]: Spent 132ms on a formula simplification that was a NOOP. DAG size: 66 [2018-04-12 13:56:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:15,542 INFO L93 Difference]: Finished difference Result 296 states and 318 transitions. [2018-04-12 13:56:15,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 13:56:15,542 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 52 [2018-04-12 13:56:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:15,544 INFO L225 Difference]: With dead ends: 296 [2018-04-12 13:56:15,544 INFO L226 Difference]: Without dead ends: 296 [2018-04-12 13:56:15,545 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=333, Invalid=2689, Unknown=62, NotChecked=108, Total=3192 [2018-04-12 13:56:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-12 13:56:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 202. [2018-04-12 13:56:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-12 13:56:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 219 transitions. [2018-04-12 13:56:15,554 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 219 transitions. Word has length 52 [2018-04-12 13:56:15,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:15,554 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 219 transitions. [2018-04-12 13:56:15,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 13:56:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions. [2018-04-12 13:56:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 13:56:15,555 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:15,555 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:15,555 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:15,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1386904548, now seen corresponding path program 1 times [2018-04-12 13:56:15,555 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:15,555 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:15,556 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:15,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:15,556 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:15,569 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:56:16,288 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:16,288 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:16,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:16,320 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:16,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:56:16,347 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,348 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 13:56:16,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:56:16,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:16,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:56:16,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:16,430 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,431 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,436 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-04-12 13:56:16,704 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset Int)) (let ((.cse1 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 1)) (.cse2 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 5)) (.cse3 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset 4))) (and (= (select |c_old(#valid)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) 0) (= |c_#memory_$Pointer$.offset| (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset)))) (store .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0)))) (= |c_#memory_$Pointer$.base| (let ((.cse4 (store |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)))) (store .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0))))))) is different from true [2018-04-12 13:56:16,821 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 67 [2018-04-12 13:56:16,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,829 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:56:16,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,936 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 52 treesize of output 54 [2018-04-12 13:56:16,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-04-12 13:56:16,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,943 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 41 [2018-04-12 13:56:16,943 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,952 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:16,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-04-12 13:56:16,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 13:56:16,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:16,999 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:17,001 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 36 treesize of output 45 [2018-04-12 13:56:17,001 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,064 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 30 treesize of output 53 [2018-04-12 13:56:17,064 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,119 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 30 treesize of output 55 [2018-04-12 13:56:17,120 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:17,160 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,198 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,274 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,290 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 45 treesize of output 53 [2018-04-12 13:56:17,292 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 13:56:17,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 16 treesize of output 23 [2018-04-12 13:56:17,296 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,303 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,334 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 44 treesize of output 53 [2018-04-12 13:56:17,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:56:17,339 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:56:17,339 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,345 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,357 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,371 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,485 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 52 treesize of output 54 [2018-04-12 13:56:17,488 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 38 treesize of output 37 [2018-04-12 13:56:17,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-12 13:56:17,493 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,501 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-04-12 13:56:17,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 13:56:17,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,545 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:17,547 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 36 treesize of output 45 [2018-04-12 13:56:17,548 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,576 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,579 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 30 treesize of output 53 [2018-04-12 13:56:17,579 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,622 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 30 treesize of output 55 [2018-04-12 13:56:17,623 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:17,675 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,700 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,730 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 13:56:17,740 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 45 treesize of output 53 [2018-04-12 13:56:17,742 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 13 treesize of output 16 [2018-04-12 13:56:17,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:56:17,745 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,750 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,769 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 44 treesize of output 53 [2018-04-12 13:56:17,771 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:56:17,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:17,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:56:17,774 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,778 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,786 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,795 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:17,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 20 dim-0 vars, and 10 xjuncts. [2018-04-12 13:56:17,878 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 7 variables, input treesize:124, output treesize:877 [2018-04-12 13:56:37,866 WARN L151 SmtUtils]: Spent 13258ms on a formula simplification. DAG size of input: 258 DAG size of output 35 [2018-04-12 13:56:38,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-04-12 13:56:38,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:38,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 13:56:38,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:38,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:56:38,114 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-04-12 13:56:38,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:38,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:56:38,139 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,144 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:38,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 13:56:38,145 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,147 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:38,152 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:86, output treesize:7 [2018-04-12 13:56:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:56:38,242 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:38,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 40 [2018-04-12 13:56:38,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 13:56:38,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 13:56:38,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1356, Unknown=18, NotChecked=74, Total=1560 [2018-04-12 13:56:38,244 INFO L87 Difference]: Start difference. First operand 202 states and 219 transitions. Second operand 40 states. [2018-04-12 13:56:40,060 WARN L148 SmtUtils]: Spent 121ms on a formula simplification that was a NOOP. DAG size: 67 [2018-04-12 13:56:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:42,761 INFO L93 Difference]: Finished difference Result 278 states and 295 transitions. [2018-04-12 13:56:42,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 13:56:42,761 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 54 [2018-04-12 13:56:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:42,762 INFO L225 Difference]: With dead ends: 278 [2018-04-12 13:56:42,762 INFO L226 Difference]: Without dead ends: 278 [2018-04-12 13:56:42,763 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=391, Invalid=3454, Unknown=65, NotChecked=122, Total=4032 [2018-04-12 13:56:42,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-04-12 13:56:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 199. [2018-04-12 13:56:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-04-12 13:56:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 214 transitions. [2018-04-12 13:56:42,767 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 214 transitions. Word has length 54 [2018-04-12 13:56:42,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:42,768 INFO L459 AbstractCegarLoop]: Abstraction has 199 states and 214 transitions. [2018-04-12 13:56:42,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 13:56:42,768 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 214 transitions. [2018-04-12 13:56:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 13:56:42,769 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:42,769 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:42,769 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:42,769 INFO L82 PathProgramCache]: Analyzing trace with hash -967383679, now seen corresponding path program 1 times [2018-04-12 13:56:42,769 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:42,769 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:42,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:42,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:42,782 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 13:56:42,809 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:42,809 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:42,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:42,856 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 13:56:42,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:42,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-04-12 13:56:42,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 13:56:42,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 13:56:42,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:56:42,910 INFO L87 Difference]: Start difference. First operand 199 states and 214 transitions. Second operand 5 states. [2018-04-12 13:56:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:42,935 INFO L93 Difference]: Finished difference Result 229 states and 248 transitions. [2018-04-12 13:56:42,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 13:56:42,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2018-04-12 13:56:42,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:42,936 INFO L225 Difference]: With dead ends: 229 [2018-04-12 13:56:42,936 INFO L226 Difference]: Without dead ends: 229 [2018-04-12 13:56:42,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-12 13:56:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-12 13:56:42,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 212. [2018-04-12 13:56:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-04-12 13:56:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 233 transitions. [2018-04-12 13:56:42,942 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 233 transitions. Word has length 58 [2018-04-12 13:56:42,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:42,942 INFO L459 AbstractCegarLoop]: Abstraction has 212 states and 233 transitions. [2018-04-12 13:56:42,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 13:56:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 233 transitions. [2018-04-12 13:56:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 13:56:42,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:42,943 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:42,943 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:42,944 INFO L82 PathProgramCache]: Analyzing trace with hash 157417677, now seen corresponding path program 1 times [2018-04-12 13:56:42,944 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:42,944 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:42,944 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:42,945 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:42,955 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 13:56:42,970 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 13:56:42,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 13:56:42,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 13:56:42,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 13:56:42,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 13:56:42,970 INFO L87 Difference]: Start difference. First operand 212 states and 233 transitions. Second operand 3 states. [2018-04-12 13:56:42,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:42,977 INFO L93 Difference]: Finished difference Result 214 states and 235 transitions. [2018-04-12 13:56:42,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 13:56:42,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-04-12 13:56:42,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:42,979 INFO L225 Difference]: With dead ends: 214 [2018-04-12 13:56:42,979 INFO L226 Difference]: Without dead ends: 214 [2018-04-12 13:56:42,979 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 [2018-04-12 13:56:42,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-04-12 13:56:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-04-12 13:56:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-12 13:56:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 235 transitions. [2018-04-12 13:56:42,983 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 235 transitions. Word has length 64 [2018-04-12 13:56:42,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:42,983 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 235 transitions. [2018-04-12 13:56:42,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 13:56:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 235 transitions. [2018-04-12 13:56:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 13:56:42,984 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:42,984 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:42,985 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:42,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1168102352, now seen corresponding path program 1 times [2018-04-12 13:56:42,985 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:42,985 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:42,985 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:42,986 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:42,998 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:56:43,364 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:43,364 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:43,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:43,397 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:43,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 13:56:43,410 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-12 13:56:43,514 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 11 treesize of output 8 [2018-04-12 13:56:43,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 13:56:43,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-12 13:56:43,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-12 13:56:43,575 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:56:43,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-04-12 13:56:43,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-04-12 13:56:43,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 53 [2018-04-12 13:56:43,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-12 13:56:43,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-12 13:56:43,689 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:56:43,731 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:56:43,731 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:39, output treesize:108 [2018-04-12 13:56:43,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 64 [2018-04-12 13:56:43,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 79 [2018-04-12 13:56:43,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,829 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,830 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 87 [2018-04-12 13:56:43,838 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:43,873 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:43,889 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 13:56:43,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 13:56:43,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-12 13:56:43,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,988 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:43,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 60 [2018-04-12 13:56:43,989 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:43,999 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:44,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:44,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-04-12 13:56:44,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-04-12 13:56:44,042 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:44,047 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:44,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-12 13:56:44,077 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:144, output treesize:177 [2018-04-12 13:56:44,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:44,145 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:44,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-04-12 13:56:44,146 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:44,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:44,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:197, output treesize:60 [2018-04-12 13:56:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 13:56:44,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:44,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 32 [2018-04-12 13:56:44,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 13:56:44,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 13:56:44,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2018-04-12 13:56:44,304 INFO L87 Difference]: Start difference. First operand 214 states and 235 transitions. Second operand 32 states. [2018-04-12 13:56:45,256 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 105 DAG size of output 88 [2018-04-12 13:56:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:46,500 INFO L93 Difference]: Finished difference Result 249 states and 264 transitions. [2018-04-12 13:56:46,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 13:56:46,500 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2018-04-12 13:56:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:46,501 INFO L225 Difference]: With dead ends: 249 [2018-04-12 13:56:46,501 INFO L226 Difference]: Without dead ends: 230 [2018-04-12 13:56:46,502 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=512, Invalid=3648, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 13:56:46,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-12 13:56:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 185. [2018-04-12 13:56:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-12 13:56:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 198 transitions. [2018-04-12 13:56:46,505 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 198 transitions. Word has length 66 [2018-04-12 13:56:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:46,505 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 198 transitions. [2018-04-12 13:56:46,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 13:56:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 198 transitions. [2018-04-12 13:56:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 13:56:46,506 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:46,506 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:46,506 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:46,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2075583150, now seen corresponding path program 1 times [2018-04-12 13:56:46,506 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:46,507 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:46,507 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:46,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:46,507 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:46,516 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:46,664 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:46,664 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:46,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:46,699 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:46,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:46,840 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 12 treesize of output 15 [2018-04-12 13:56:46,841 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:46,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:46,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:46,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:56:46,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:46,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:46,859 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 13:56:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:46,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:46,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2018-04-12 13:56:46,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 13:56:46,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 13:56:46,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-12 13:56:46,966 INFO L87 Difference]: Start difference. First operand 185 states and 198 transitions. Second operand 23 states. [2018-04-12 13:56:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:47,528 INFO L93 Difference]: Finished difference Result 227 states and 236 transitions. [2018-04-12 13:56:47,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 13:56:47,528 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-04-12 13:56:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:47,529 INFO L225 Difference]: With dead ends: 227 [2018-04-12 13:56:47,529 INFO L226 Difference]: Without dead ends: 227 [2018-04-12 13:56:47,529 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=677, Unknown=0, NotChecked=0, Total=812 [2018-04-12 13:56:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-04-12 13:56:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 210. [2018-04-12 13:56:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-04-12 13:56:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 225 transitions. [2018-04-12 13:56:47,531 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 225 transitions. Word has length 66 [2018-04-12 13:56:47,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:47,532 INFO L459 AbstractCegarLoop]: Abstraction has 210 states and 225 transitions. [2018-04-12 13:56:47,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 13:56:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 225 transitions. [2018-04-12 13:56:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 13:56:47,532 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:47,532 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:47,532 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:47,532 INFO L82 PathProgramCache]: Analyzing trace with hash -269068196, now seen corresponding path program 1 times [2018-04-12 13:56:47,533 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:47,533 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:47,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:47,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:47,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:47,556 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 13:56:47,829 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:47,830 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:47,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:47,886 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:47,972 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (and (= |c_#length| (store |c_old(#length)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 9)) (= 0 (select |c_old(#valid)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|)))) is different from true [2018-04-12 13:56:47,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:47,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:47,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:56:47,979 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:47,988 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 17 [2018-04-12 13:56:47,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:47,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:47,993 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-04-12 13:56:48,040 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (= |c_#length| (store |c_old(#length)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 9))) is different from true [2018-04-12 13:56:48,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 29 [2018-04-12 13:56:48,074 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:48,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:48,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:25 [2018-04-12 13:56:48,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 29 [2018-04-12 13:56:48,189 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:48,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:48,206 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:25 [2018-04-12 13:56:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 16 not checked. [2018-04-12 13:56:48,310 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:48,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 29 [2018-04-12 13:56:48,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 13:56:48,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 13:56:48,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=674, Unknown=2, NotChecked=106, Total=870 [2018-04-12 13:56:48,311 INFO L87 Difference]: Start difference. First operand 210 states and 225 transitions. Second operand 30 states. [2018-04-12 13:56:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:49,269 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2018-04-12 13:56:49,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 13:56:49,269 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2018-04-12 13:56:49,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:49,270 INFO L225 Difference]: With dead ends: 233 [2018-04-12 13:56:49,270 INFO L226 Difference]: Without dead ends: 233 [2018-04-12 13:56:49,270 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 54 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=1224, Unknown=2, NotChecked=146, Total=1560 [2018-04-12 13:56:49,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-04-12 13:56:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 204. [2018-04-12 13:56:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-12 13:56:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 219 transitions. [2018-04-12 13:56:49,273 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 219 transitions. Word has length 68 [2018-04-12 13:56:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:49,273 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 219 transitions. [2018-04-12 13:56:49,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 13:56:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 219 transitions. [2018-04-12 13:56:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 13:56:49,274 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:49,274 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:49,274 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:49,274 INFO L82 PathProgramCache]: Analyzing trace with hash 610363464, now seen corresponding path program 1 times [2018-04-12 13:56:49,274 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:49,274 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:49,274 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:49,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:49,275 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:49,298 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:49,787 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:49,787 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:49,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:49,823 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:49,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 13:56:49,968 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:49,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:49,972 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:14 [2018-04-12 13:56:50,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:56:50,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:50,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-12 13:56:50,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-12 13:56:50,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-12 13:56:50,197 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-12 13:56:50,215 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:50,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:50,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:50,236 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-04-12 13:56:50,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-04-12 13:56:50,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:56:50,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-04-12 13:56:50,343 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 54 [2018-04-12 13:56:50,351 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:50,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,383 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 51 treesize of output 66 [2018-04-12 13:56:50,383 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:50,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 13:56:50,427 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-04-12 13:56:50,487 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:56:50,488 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,500 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-04-12 13:56:50,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:50,514 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:139, output treesize:60 [2018-04-12 13:56:50,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:50,641 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 28 treesize of output 52 [2018-04-12 13:56:50,641 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:50,654 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:74, output treesize:82 [2018-04-12 13:56:50,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-12 13:56:50,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:50,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,889 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. [2018-04-12 13:56:50,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-04-12 13:56:50,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-12 13:56:50,959 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 10 treesize of output 9 [2018-04-12 13:56:50,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:50,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:51,000 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. [2018-04-12 13:56:51,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-04-12 13:56:51,061 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 [2018-04-12 13:56:51,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:51,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:56:51,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:51,072 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:51,072 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 [2018-04-12 13:56:51,072 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:51,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:56:51,078 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:51,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:51,089 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. [2018-04-12 13:56:51,089 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-04-12 13:56:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:51,159 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:51,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 47 [2018-04-12 13:56:51,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-12 13:56:51,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-12 13:56:51,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2091, Unknown=12, NotChecked=0, Total=2256 [2018-04-12 13:56:51,160 INFO L87 Difference]: Start difference. First operand 204 states and 219 transitions. Second operand 48 states. [2018-04-12 13:56:53,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:56:53,625 INFO L93 Difference]: Finished difference Result 301 states and 316 transitions. [2018-04-12 13:56:53,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 13:56:53,626 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 72 [2018-04-12 13:56:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:56:53,627 INFO L225 Difference]: With dead ends: 301 [2018-04-12 13:56:53,627 INFO L226 Difference]: Without dead ends: 301 [2018-04-12 13:56:53,628 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=773, Invalid=5695, Unknown=12, NotChecked=0, Total=6480 [2018-04-12 13:56:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-12 13:56:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 204. [2018-04-12 13:56:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-12 13:56:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 218 transitions. [2018-04-12 13:56:53,631 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 218 transitions. Word has length 72 [2018-04-12 13:56:53,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:56:53,631 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 218 transitions. [2018-04-12 13:56:53,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-12 13:56:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 218 transitions. [2018-04-12 13:56:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 13:56:53,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:56:53,632 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:56:53,632 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:56:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash 610363465, now seen corresponding path program 1 times [2018-04-12 13:56:53,632 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:56:53,632 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:56:53,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:53,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:53,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:56:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:53,656 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:56:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:54,141 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:56:54,141 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:56:54,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:56:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:56:54,176 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:56:54,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 13:56:54,298 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:54,301 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:14 [2018-04-12 13:56:54,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 13:56:54,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,345 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2018-04-12 13:56:54,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:56:54,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:54,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 13:56:54,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 13:56:54,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,432 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,437 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:42, output treesize:34 [2018-04-12 13:56:54,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 53 [2018-04-12 13:56:54,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-04-12 13:56:54,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 48 [2018-04-12 13:56:54,506 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2018-04-12 13:56:54,561 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 43 treesize of output 48 [2018-04-12 13:56:54,562 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-04-12 13:56:54,591 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,609 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,610 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:54,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-04-12 13:56:54,614 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:54,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-04-12 13:56:54,615 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,621 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,642 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:60, output treesize:103 [2018-04-12 13:56:54,701 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 72 treesize of output 67 [2018-04-12 13:56:54,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:54,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:56:54,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,759 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 68 treesize of output 63 [2018-04-12 13:56:54,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:54,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:56:54,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,772 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,822 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 162 treesize of output 162 [2018-04-12 13:56:54,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:54,826 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 155 treesize of output 182 [2018-04-12 13:56:54,826 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:54,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:54,895 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 160 [2018-04-12 13:56:54,896 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:54,944 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:55,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 86 [2018-04-12 13:56:55,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,026 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 76 treesize of output 56 [2018-04-12 13:56:55,027 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,040 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,056 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 152 treesize of output 143 [2018-04-12 13:56:55,059 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,060 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 145 treesize of output 172 [2018-04-12 13:56:55,060 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,115 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,124 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 130 treesize of output 142 [2018-04-12 13:56:55,124 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-12 13:56:55,172 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 13:56:55,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:56:55,215 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:235, output treesize:267 [2018-04-12 13:56:55,310 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 13:56:55,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,357 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-04-12 13:56:55,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,372 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:291, output treesize:144 [2018-04-12 13:56:55,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 13:56:55,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,563 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 26 [2018-04-12 13:56:55,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:56:55,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:158, output treesize:141 [2018-04-12 13:56:55,781 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 130 [2018-04-12 13:56:55,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,807 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 113 treesize of output 164 [2018-04-12 13:56:55,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-12 13:56:55,891 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 116 treesize of output 115 [2018-04-12 13:56:55,891 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:55,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:56:55,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 119 [2018-04-12 13:56:55,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:55,996 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:55,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 90 [2018-04-12 13:56:55,999 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,012 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 168 [2018-04-12 13:56:56,044 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 159 treesize of output 158 [2018-04-12 13:56:56,044 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:56,122 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 117 treesize of output 168 [2018-04-12 13:56:56,123 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-12 13:56:56,193 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:56:56,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 119 [2018-04-12 13:56:56,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:56,202 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:56,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 76 [2018-04-12 13:56:56,205 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,218 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 13:56:56,279 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:170, output treesize:339 [2018-04-12 13:56:56,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2018-04-12 13:56:56,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:56,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 63 [2018-04-12 13:56:56,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,428 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,578 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:56,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2018-04-12 13:56:56,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-04-12 13:56:56,582 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,595 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,735 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 170 treesize of output 186 [2018-04-12 13:56:56,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 176 [2018-04-12 13:56:56,737 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,811 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,902 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:56,903 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 124 treesize of output 110 [2018-04-12 13:56:56,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-04-12 13:56:56,905 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,916 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:56,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 131 [2018-04-12 13:56:56,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:56,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 63 [2018-04-12 13:56:56,998 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,019 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,097 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 166 treesize of output 173 [2018-04-12 13:56:57,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 172 [2018-04-12 13:56:57,100 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,163 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 13:56:57,217 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:481, output treesize:391 [2018-04-12 13:56:57,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 102 [2018-04-12 13:56:57,359 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:57,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2018-04-12 13:56:57,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 13:56:57,374 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,384 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 57 [2018-04-12 13:56:57,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 13:56:57,422 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,431 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:57,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-12 13:56:57,431 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,437 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 134 [2018-04-12 13:56:57,470 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:57,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-12 13:56:57,470 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,485 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:57,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-04-12 13:56:57,485 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,497 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 64 [2018-04-12 13:56:57,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:56:57,522 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 [2018-04-12 13:56:57,522 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,532 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:56:57,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-12 13:56:57,533 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,540 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:56:57,556 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:265, output treesize:14 [2018-04-12 13:56:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 13:56:57,630 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:56:57,630 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2018-04-12 13:56:57,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 13:56:57,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 13:56:57,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2027, Unknown=7, NotChecked=0, Total=2162 [2018-04-12 13:56:57,631 INFO L87 Difference]: Start difference. First operand 204 states and 218 transitions. Second operand 47 states. [2018-04-12 13:56:58,817 WARN L151 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 122 DAG size of output 99 [2018-04-12 13:56:59,872 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 190 DAG size of output 90 [2018-04-12 13:57:00,259 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 195 DAG size of output 95 [2018-04-12 13:57:00,731 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 217 DAG size of output 71 [2018-04-12 13:57:01,450 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 71 DAG size of output 41 [2018-04-12 13:57:02,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 13:57:02,201 INFO L93 Difference]: Finished difference Result 298 states and 313 transitions. [2018-04-12 13:57:02,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 13:57:02,201 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 72 [2018-04-12 13:57:02,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 13:57:02,202 INFO L225 Difference]: With dead ends: 298 [2018-04-12 13:57:02,202 INFO L226 Difference]: Without dead ends: 298 [2018-04-12 13:57:02,203 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=670, Invalid=5329, Unknown=7, NotChecked=0, Total=6006 [2018-04-12 13:57:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-12 13:57:02,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 204. [2018-04-12 13:57:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-12 13:57:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 217 transitions. [2018-04-12 13:57:02,206 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 217 transitions. Word has length 72 [2018-04-12 13:57:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 13:57:02,206 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 217 transitions. [2018-04-12 13:57:02,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 13:57:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 217 transitions. [2018-04-12 13:57:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 13:57:02,207 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 13:57:02,207 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 13:57:02,207 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 13:57:02,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2062857170, now seen corresponding path program 1 times [2018-04-12 13:57:02,207 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 13:57:02,207 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 13:57:02,208 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:57:02,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:57:02,208 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 13:57:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:57:02,232 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 13:57:02,861 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 57 DAG size of output 55 [2018-04-12 13:57:03,171 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 75 DAG size of output 62 [2018-04-12 13:57:03,400 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 79 DAG size of output 66 [2018-04-12 13:57:03,785 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 90 DAG size of output 79 [2018-04-12 13:57:04,407 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 76 DAG size of output 64 [2018-04-12 13:57:04,841 WARN L151 SmtUtils]: Spent 319ms on a formula simplification. DAG size of input: 94 DAG size of output 79 [2018-04-12 13:57:05,671 WARN L151 SmtUtils]: Spent 657ms on a formula simplification. DAG size of input: 101 DAG size of output 95 [2018-04-12 13:57:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 13:57:06,282 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 13:57:06,282 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 13:57:06,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 13:57:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 13:57:06,348 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 13:57:06,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:06,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:06,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 13:57:06,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,526 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-04-12 13:57:06,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:57:06,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 13:57:06,643 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-12 13:57:06,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-12 13:57:06,654 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,655 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,661 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:40, output treesize:32 [2018-04-12 13:57:06,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-12 13:57:06,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:06,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:57:06,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-12 13:57:06,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:06,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:57:06,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,755 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:06,763 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:58, output treesize:50 [2018-04-12 13:57:07,705 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 81 DAG size of output 63 [2018-04-12 13:57:07,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,713 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 [2018-04-12 13:57:07,713 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,773 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 48 treesize of output 60 [2018-04-12 13:57:07,776 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 13:57:07,780 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 16 treesize of output 23 [2018-04-12 13:57:07,780 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,787 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,814 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 51 treesize of output 60 [2018-04-12 13:57:07,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:57:07,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:57:07,820 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,826 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,840 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,851 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 66 [2018-04-12 13:57:07,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 13:57:07,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 13:57:07,903 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,908 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,927 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 57 treesize of output 87 [2018-04-12 13:57:07,929 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 [2018-04-12 13:57:07,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:07,932 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 [2018-04-12 13:57:07,932 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,937 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,949 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,957 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:07,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:57:07,989 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:160, output treesize:197 [2018-04-12 13:57:08,757 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem7.offset| Int) (|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem6.offset| Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset Int) (|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem6.base| Int)) (let ((.cse7 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 1)) (.cse8 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 5))) (let ((.cse2 (store |c_old(#memory_$Pointer$.base)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select |c_old(#memory_$Pointer$.base)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse7 |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem6.base|) .cse8 0))) (.cse1 (+ |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.offset| 4))) (let ((.cse3 (select (select .cse2 |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) .cse1)) (.cse4 (+ |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem7.offset| 5))) (and (= (let ((.cse0 (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)))) (store .cse0 |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (select .cse0 |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) .cse1 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base))) |c_#memory_$Pointer$.base|) (= (select |c_old(#valid)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) 0) (= (let ((.cse5 (let ((.cse6 (store |c_old(#memory_$Pointer$.offset)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select |c_old(#memory_$Pointer$.offset)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse7 |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~mem6.offset|) .cse8 0)))) (store .cse6 .cse3 (store (select .cse6 .cse3) .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset))))) (store .cse5 |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (select .cse5 |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) .cse1 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset))) |c_#memory_$Pointer$.offset|)))))) is different from true [2018-04-12 13:57:09,541 WARN L151 SmtUtils]: Spent 779ms on a formula simplification. DAG size of input: 153 DAG size of output 98 [2018-04-12 13:57:09,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:09,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:09,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:09,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:09,566 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 43 [2018-04-12 13:57:09,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:09,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:09,734 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:09,817 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-04-12 13:57:09,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 343 [2018-04-12 13:57:09,964 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 95 DAG size of output 83 [2018-04-12 13:57:09,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 13:57:10,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 13:57:10,016 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,029 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,106 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:10,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 324 [2018-04-12 13:57:10,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 106 [2018-04-12 13:57:10,168 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-12 13:57:10,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 275 treesize of output 273 [2018-04-12 13:57:10,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,369 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:10,369 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 228 treesize of output 194 [2018-04-12 13:57:10,370 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,413 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 267 treesize of output 271 [2018-04-12 13:57:10,461 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,461 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:10,461 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 211 treesize of output 175 [2018-04-12 13:57:10,462 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,517 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 267 treesize of output 271 [2018-04-12 13:57:10,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:10,564 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:10,564 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 211 treesize of output 175 [2018-04-12 13:57:10,565 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,610 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:10,792 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:57:10,991 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:57:11,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 266 [2018-04-12 13:57:11,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-04-12 13:57:11,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,261 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 28 treesize of output 47 [2018-04-12 13:57:11,261 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,269 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 219 [2018-04-12 13:57:11,339 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,340 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,340 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,343 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 41 treesize of output 86 [2018-04-12 13:57:11,343 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 202 [2018-04-12 13:57:11,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,391 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,394 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 82 treesize of output 69 [2018-04-12 13:57:11,394 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,425 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,438 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,464 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 266 [2018-04-12 13:57:11,509 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 25 treesize of output 28 [2018-04-12 13:57:11,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,515 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 28 treesize of output 47 [2018-04-12 13:57:11,515 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,522 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 219 [2018-04-12 13:57:11,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,594 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,596 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 41 treesize of output 86 [2018-04-12 13:57:11,597 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 202 [2018-04-12 13:57:11,645 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,646 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,649 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 82 treesize of output 71 [2018-04-12 13:57:11,649 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,673 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,686 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,716 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 272 [2018-04-12 13:57:11,747 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 25 treesize of output 28 [2018-04-12 13:57:11,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,753 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 28 treesize of output 47 [2018-04-12 13:57:11,753 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,761 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 225 [2018-04-12 13:57:11,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,852 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 41 treesize of output 100 [2018-04-12 13:57:11,853 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-04-12 13:57:11,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 215 [2018-04-12 13:57:11,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,942 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 71 [2018-04-12 13:57:11,944 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,970 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:11,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 215 [2018-04-12 13:57:11,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:11,989 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:11,992 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 82 treesize of output 69 [2018-04-12 13:57:11,992 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:12,017 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:12,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 221 [2018-04-12 13:57:12,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:57:12,037 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 13:57:12,039 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 88 treesize of output 82 [2018-04-12 13:57:12,039 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 13:57:12,064 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:57:12,121 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:57:12,193 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 13:57:12,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-04-12 13:57:12,336 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 11 variables, input treesize:556, output treesize:772 [2018-04-12 13:57:36,456 WARN L148 SmtUtils]: Spent 21863ms on a formula simplification that was a NOOP. DAG size: 161 [2018-04-12 13:58:01,824 WARN L148 SmtUtils]: Spent 25144ms on a formula simplification that was a NOOP. DAG size: 161 [2018-04-12 13:58:21,164 WARN L148 SmtUtils]: Spent 19088ms on a formula simplification that was a NOOP. DAG size: 161 [2018-04-12 13:58:21,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 211 [2018-04-12 13:58:21,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 59 [2018-04-12 13:58:21,186 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,215 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 18 treesize of output 10 [2018-04-12 13:58:21,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 13:58:21,239 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 44 [2018-04-12 13:58:21,263 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 213 [2018-04-12 13:58:21,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,397 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 18 treesize of output 10 [2018-04-12 13:58:21,397 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,426 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 12 [2018-04-12 13:58:21,427 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 111 [2018-04-12 13:58:21,452 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:58:21,476 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,495 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 84 [2018-04-12 13:58:21,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,592 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 18 treesize of output 10 [2018-04-12 13:58:21,592 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,610 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 12 [2018-04-12 13:58:21,610 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 13:58:21,624 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,645 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 217 [2018-04-12 13:58:21,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,737 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 2 case distinctions, treesize of input 79 treesize of output 102 [2018-04-12 13:58:21,738 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-12 13:58:21,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 13:58:21,785 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 107 [2018-04-12 13:58:21,826 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 83 [2018-04-12 13:58:21,829 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:21,874 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:21,875 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 18 treesize of output 10 [2018-04-12 13:58:21,875 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:21,913 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 13:58:22,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 111 [2018-04-12 13:58:22,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,020 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 61 treesize of output 48 [2018-04-12 13:58:22,020 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:22,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,044 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 18 treesize of output 10 [2018-04-12 13:58:22,045 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,068 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 26 treesize of output 32 [2018-04-12 13:58:22,068 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:22,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:58:22,084 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,096 INFO L267 ElimStorePlain]: Start of recursive call 22: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 91 [2018-04-12 13:58:22,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-12 13:58:22,104 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,124 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 18 treesize of output 10 [2018-04-12 13:58:22,124 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,142 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 0 case distinctions, treesize of input 30 treesize of output 21 [2018-04-12 13:58:22,142 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 13:58:22,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-12 13:58:22,156 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,166 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 106 [2018-04-12 13:58:22,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,232 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 18 treesize of output 10 [2018-04-12 13:58:22,232 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 13:58:22,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 45 treesize of output 35 [2018-04-12 13:58:22,251 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-12 13:58:22,264 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 13:58:22,271 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,275 INFO L267 ElimStorePlain]: Start of recursive call 32: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 13:58:22,313 INFO L202 ElimStorePlain]: Needed 36 recursive calls to eliminate 19 variables, input treesize:814, output treesize:7 [2018-04-12 13:58:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2018-04-12 13:58:22,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 13:58:22,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32] total 61 [2018-04-12 13:58:22,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-12 13:58:22,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-12 13:58:22,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=3326, Unknown=24, NotChecked=116, Total=3660 [2018-04-12 13:58:22,533 INFO L87 Difference]: Start difference. First operand 204 states and 217 transitions. Second operand 61 states. [2018-04-12 13:58:23,184 WARN L148 SmtUtils]: Spent 312ms on a formula simplification that was a NOOP. DAG size: 102 [2018-04-12 13:58:23,847 WARN L148 SmtUtils]: Spent 313ms on a formula simplification that was a NOOP. DAG size: 107 [2018-04-12 13:58:26,116 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 114 DAG size of output 55 [2018-04-12 13:58:26,730 WARN L151 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 144 DAG size of output 61 [2018-04-12 13:58:27,406 WARN L151 SmtUtils]: Spent 320ms on a formula simplification. DAG size of input: 128 DAG size of output 66 [2018-04-12 13:58:28,461 WARN L151 SmtUtils]: Spent 530ms on a formula simplification. DAG size of input: 132 DAG size of output 76 [2018-04-12 13:58:46,804 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 111 DAG size of output 56 [2018-04-12 13:58:47,085 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 125 DAG size of output 60 [2018-04-12 13:58:47,350 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 126 DAG size of output 61 [2018-04-12 13:58:48,031 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 78 DAG size of output 61 [2018-04-12 13:58:48,278 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 118 DAG size of output 56 [2018-04-12 13:58:48,560 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 86 DAG size of output 67 [2018-04-12 13:58:49,172 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 109 DAG size of output 73 [2018-04-12 13:58:52,343 WARN L151 SmtUtils]: Spent 2083ms on a formula simplification. DAG size of input: 135 DAG size of output 129 [2018-04-12 13:59:34,386 WARN L151 SmtUtils]: Spent 37233ms on a formula simplification. DAG size of input: 193 DAG size of output 188 [2018-04-12 13:59:56,426 WARN L151 SmtUtils]: Spent 21539ms on a formula simplification. DAG size of input: 179 DAG size of output 178 [2018-04-12 14:00:12,350 WARN L151 SmtUtils]: Spent 15721ms on a formula simplification. DAG size of input: 269 DAG size of output 182 [2018-04-12 14:00:38,086 WARN L151 SmtUtils]: Spent 25501ms on a formula simplification. DAG size of input: 283 DAG size of output 196 [2018-04-12 14:01:04,987 WARN L151 SmtUtils]: Spent 26644ms on a formula simplification. DAG size of input: 329 DAG size of output 204 [2018-04-12 14:01:31,701 WARN L151 SmtUtils]: Spent 26410ms on a formula simplification. DAG size of input: 342 DAG size of output 207 [2018-04-12 14:01:56,430 WARN L151 SmtUtils]: Spent 24453ms on a formula simplification. DAG size of input: 343 DAG size of output 208 [2018-04-12 14:02:22,238 WARN L151 SmtUtils]: Spent 25454ms on a formula simplification. DAG size of input: 335 DAG size of output 203 [2018-04-12 14:02:27,150 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 101 DAG size of output 73 [2018-04-12 14:02:27,540 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 105 DAG size of output 77 [2018-04-12 14:02:28,066 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 112 DAG size of output 82 [2018-04-12 14:02:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:02:43,456 INFO L93 Difference]: Finished difference Result 297 states and 319 transitions. [2018-04-12 14:02:43,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 14:02:43,457 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 74 [2018-04-12 14:02:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:02:43,458 INFO L225 Difference]: With dead ends: 297 [2018-04-12 14:02:43,458 INFO L226 Difference]: Without dead ends: 297 [2018-04-12 14:02:43,460 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 103 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 294.3s TimeCoverageRelationStatistics Valid=833, Invalid=9682, Unknown=201, NotChecked=204, Total=10920 [2018-04-12 14:02:43,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-04-12 14:02:43,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 203. [2018-04-12 14:02:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-04-12 14:02:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 215 transitions. [2018-04-12 14:02:43,463 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 215 transitions. Word has length 74 [2018-04-12 14:02:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:02:43,463 INFO L459 AbstractCegarLoop]: Abstraction has 203 states and 215 transitions. [2018-04-12 14:02:43,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-12 14:02:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 215 transitions. [2018-04-12 14:02:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-12 14:02:43,464 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:02:43,464 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:02:43,464 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-04-12 14:02:43,464 INFO L82 PathProgramCache]: Analyzing trace with hash 492118133, now seen corresponding path program 2 times [2018-04-12 14:02:43,464 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:02:43,464 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:02:43,465 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:02:43,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:02:43,465 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:02:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:02:43,492 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:02:44,287 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 72 DAG size of output 65 [2018-04-12 14:02:44,559 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 76 DAG size of output 69 [2018-04-12 14:02:44,977 WARN L151 SmtUtils]: Spent 319ms on a formula simplification. DAG size of input: 85 DAG size of output 84 [2018-04-12 14:02:45,809 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 81 DAG size of output 72 [2018-04-12 14:02:46,448 WARN L151 SmtUtils]: Spent 493ms on a formula simplification. DAG size of input: 100 DAG size of output 92 [2018-04-12 14:02:47,369 WARN L148 SmtUtils]: Spent 675ms on a formula simplification that was a NOOP. DAG size: 118 [2018-04-12 14:02:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 14:02:47,906 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:02:47,906 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 14:02:47,912 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:02:47,953 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:02:47,954 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:02:47,957 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:02:48,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:48,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:48,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 14:02:48,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 14:02:48,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 14:02:48,180 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 10 treesize of output 9 [2018-04-12 14:02:48,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-12 14:02:48,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-12 14:02:48,190 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,191 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:48,198 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-04-12 14:02:48,793 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base Int) (__U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset Int)) (let ((.cse1 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 1)) (.cse2 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset 5)) (.cse3 (+ __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset 4))) (and (= (select |c_old(#valid)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) 0) (= |c_#memory_$Pointer$.offset| (let ((.cse0 (store |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.offset)))) (store .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse0 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0)))) (= |c_#memory_$Pointer$.base| (let ((.cse4 (store |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c___U_MULTI_flength_test___true_valid_memsafety_i__append_#in~head.base|) __U_MULTI_flength_test___true_valid_memsafety_i__append_~head.offset __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse3 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base)))) (store .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base (store (store (select .cse4 __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base) .cse1 0) .cse2 0)))) (= |c_#valid| (store |c_old(#valid)| __U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base 1))))) is different from true [2018-04-12 14:02:48,917 WARN L148 SmtUtils]: Spent 121ms on a formula simplification that was a NOOP. DAG size: 70 [2018-04-12 14:02:48,924 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:48,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:48,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 14:02:48,927 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,054 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 52 treesize of output 54 [2018-04-12 14:02:49,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-04-12 14:02:49,059 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,060 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 41 [2018-04-12 14:02:49,060 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,068 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-04-12 14:02:49,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 14:02:49,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,117 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,118 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,121 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 36 treesize of output 59 [2018-04-12 14:02:49,121 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,175 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,191 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 30 treesize of output 55 [2018-04-12 14:02:49,191 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 14:02:49,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,277 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:02:49,280 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 30 treesize of output 39 [2018-04-12 14:02:49,280 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,319 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:49,355 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:49,414 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:49,429 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 45 treesize of output 53 [2018-04-12 14:02:49,431 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 14:02:49,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 16 treesize of output 23 [2018-04-12 14:02:49,435 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,441 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,473 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 44 treesize of output 53 [2018-04-12 14:02:49,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:02:49,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:02:49,478 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,484 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,496 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,511 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,644 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 45 treesize of output 53 [2018-04-12 14:02:49,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-04-12 14:02:49,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-12 14:02:49,649 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,654 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,672 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 44 treesize of output 53 [2018-04-12 14:02:49,674 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:02:49,676 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:02:49,677 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,681 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,689 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,698 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,705 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 52 treesize of output 54 [2018-04-12 14:02:49,708 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 38 treesize of output 37 [2018-04-12 14:02:49,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-12 14:02:49,711 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,719 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-04-12 14:02:49,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 50 [2018-04-12 14:02:49,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,777 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 36 treesize of output 55 [2018-04-12 14:02:49,778 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-04-12 14:02:49,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,819 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:02:49,821 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 30 treesize of output 39 [2018-04-12 14:02:49,822 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:02:49,857 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 30 treesize of output 53 [2018-04-12 14:02:49,857 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 14:02:49,910 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:49,938 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:49,972 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:02:50,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 10 xjuncts. [2018-04-12 14:02:50,057 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 6 variables, input treesize:130, output treesize:983 [2018-04-12 14:02:52,813 WARN L151 SmtUtils]: Spent 2420ms on a formula simplification. DAG size of input: 220 DAG size of output 68 [2018-04-12 14:03:01,898 WARN L148 SmtUtils]: Spent 8340ms on a formula simplification that was a NOOP. DAG size: 201 [2018-04-12 14:03:01,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,912 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,921 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 292 [2018-04-12 14:03:01,922 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:01,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:01,935 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 338 treesize of output 331 [2018-04-12 14:03:01,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:10,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,862 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 251 treesize of output 244 [2018-04-12 14:03:10,863 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:10,872 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:10,877 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 217 treesize of output 210 [2018-04-12 14:03:10,877 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:20,785 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 2 case distinctions, treesize of input 210 treesize of output 195 [2018-04-12 14:03:20,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:03:20,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:20,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:03:20,800 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:20,811 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:03:20,942 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 6 case distinctions, treesize of input 79 treesize of output 113 [2018-04-12 14:03:20,949 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 93 treesize of output 92 [2018-04-12 14:03:20,949 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:23,090 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 70 treesize of output 79 [2018-04-12 14:03:23,090 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-12 14:03:26,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:26,272 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 68 treesize of output 95 [2018-04-12 14:03:26,272 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:28,592 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 97 [2018-04-12 14:03:28,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:28,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 86 treesize of output 146 [2018-04-12 14:03:28,636 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 16 xjuncts. [2018-04-12 14:03:29,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:29,096 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 6 case distinctions, treesize of input 62 treesize of output 115 [2018-04-12 14:03:29,097 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 8 xjuncts. [2018-04-12 14:03:29,428 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2018-04-12 14:03:36,364 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 71 treesize of output 95 [2018-04-12 14:03:36,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:36,386 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 84 treesize of output 111 [2018-04-12 14:03:36,387 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:36,546 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:03:38,586 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:03:38,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:38,601 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 25 treesize of output 44 [2018-04-12 14:03:38,602 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-12 14:03:38,645 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:03:38,662 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:03:38,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:38,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2018-04-12 14:03:38,677 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-12 14:03:38,722 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:03:39,994 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 74 treesize of output 75 [2018-04-12 14:03:39,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:40,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 129 [2018-04-12 14:03:40,055 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:03:40,059 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 64 xjuncts. [2018-04-12 14:03:40,905 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 26 xjuncts. [2018-04-12 14:03:43,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:03:43,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:43,464 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 25 treesize of output 52 [2018-04-12 14:03:43,465 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:43,526 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:03:44,276 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 68 treesize of output 92 [2018-04-12 14:03:44,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:44,298 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 81 treesize of output 108 [2018-04-12 14:03:44,299 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:44,464 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:44,495 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 6 case distinctions, treesize of input 62 treesize of output 115 [2018-04-12 14:03:44,496 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 8 xjuncts. [2018-04-12 14:03:44,651 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-12 14:03:45,215 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-12 14:03:45,475 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-12 14:03:45,498 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 244 treesize of output 225 [2018-04-12 14:03:45,626 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 82 DAG size of output 74 [2018-04-12 14:03:45,629 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 [2018-04-12 14:03:45,633 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:45,635 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 [2018-04-12 14:03:45,636 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 14:03:45,648 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:03:45,715 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 69 treesize of output 80 [2018-04-12 14:03:45,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:45,736 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 25 treesize of output 52 [2018-04-12 14:03:45,736 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:45,805 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 66 treesize of output 71 [2018-04-12 14:03:45,809 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:45,826 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 25 treesize of output 52 [2018-04-12 14:03:45,826 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:45,876 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:03:45,888 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 71 [2018-04-12 14:03:45,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:45,904 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 25 treesize of output 52 [2018-04-12 14:03:45,904 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:45,959 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:03:45,972 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 68 treesize of output 73 [2018-04-12 14:03:45,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:03:45,990 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 25 treesize of output 52 [2018-04-12 14:03:45,991 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 4 xjuncts. [2018-04-12 14:03:46,043 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:03:46,191 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-12 14:03:46,369 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-12 14:04:19,144 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 193 treesize of output 174 [2018-04-12 14:04:19,233 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-12 14:04:19,235 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,237 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 [2018-04-12 14:04:19,237 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,245 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,291 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 69 treesize of output 80 [2018-04-12 14:04:19,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,294 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:19,298 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 34 [2018-04-12 14:04:19,298 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,338 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 59 treesize of output 64 [2018-04-12 14:04:19,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:19,344 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 42 [2018-04-12 14:04:19,344 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,356 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,363 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,393 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,406 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 197 treesize of output 178 [2018-04-12 14:04:19,509 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 [2018-04-12 14:04:19,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:04:19,514 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,523 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:19,580 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 69 treesize of output 80 [2018-04-12 14:04:19,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,599 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 [2018-04-12 14:04:19,599 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:19,651 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 66 treesize of output 71 [2018-04-12 14:04:19,653 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,669 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 [2018-04-12 14:04:19,669 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:19,709 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:19,718 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 68 treesize of output 73 [2018-04-12 14:04:19,720 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,735 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 [2018-04-12 14:04:19,736 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:19,773 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:19,782 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 66 treesize of output 71 [2018-04-12 14:04:19,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:19,801 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 [2018-04-12 14:04:19,801 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:19,839 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:19,934 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-12 14:04:20,051 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-04-12 14:04:20,070 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 178 treesize of output 163 [2018-04-12 14:04:20,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:20,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:20,155 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,160 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,206 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 69 treesize of output 82 [2018-04-12 14:04:20,208 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,209 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 17 [2018-04-12 14:04:20,210 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,230 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 59 treesize of output 64 [2018-04-12 14:04:20,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,234 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,234 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,236 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 42 [2018-04-12 14:04:20,236 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,247 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,253 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,284 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,304 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 195 treesize of output 176 [2018-04-12 14:04:20,396 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 [2018-04-12 14:04:20,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 50 [2018-04-12 14:04:20,401 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,409 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,457 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 80 [2018-04-12 14:04:20,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,460 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,464 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 34 [2018-04-12 14:04:20,464 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,487 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 59 treesize of output 64 [2018-04-12 14:04:20,489 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,501 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 [2018-04-12 14:04:20,502 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:20,534 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:20,565 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:20,620 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:20,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 176 [2018-04-12 14:04:20,726 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 [2018-04-12 14:04:20,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,730 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 [2018-04-12 14:04:20,730 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,738 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,784 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 69 treesize of output 80 [2018-04-12 14:04:20,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,801 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 [2018-04-12 14:04:20,801 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:20,844 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 66 treesize of output 71 [2018-04-12 14:04:20,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,847 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,849 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 34 [2018-04-12 14:04:20,849 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,862 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,870 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 68 treesize of output 73 [2018-04-12 14:04:20,872 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,873 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,875 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 34 [2018-04-12 14:04:20,875 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,887 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,896 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 66 treesize of output 71 [2018-04-12 14:04:20,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:20,899 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:20,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 34 [2018-04-12 14:04:20,901 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,915 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:20,945 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:20,992 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:21,013 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 180 treesize of output 165 [2018-04-12 14:04:21,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:21,099 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:21,101 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,107 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,152 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 69 treesize of output 82 [2018-04-12 14:04:21,155 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 17 [2018-04-12 14:04:21,156 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2018-04-12 14:04:21,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 52 [2018-04-12 14:04:21,195 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:21,227 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:21,257 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:21,311 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:21,323 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 193 treesize of output 174 [2018-04-12 14:04:21,416 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 [2018-04-12 14:04:21,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,421 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 [2018-04-12 14:04:21,421 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,430 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,476 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 69 treesize of output 80 [2018-04-12 14:04:21,479 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,483 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 42 [2018-04-12 14:04:21,484 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,506 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 59 treesize of output 64 [2018-04-12 14:04:21,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,510 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,512 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 34 [2018-04-12 14:04:21,512 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,523 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,530 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,557 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,574 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 178 treesize of output 163 [2018-04-12 14:04:21,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:21,658 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:21,659 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,665 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,710 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 69 treesize of output 82 [2018-04-12 14:04:21,713 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,714 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 17 [2018-04-12 14:04:21,714 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,737 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 59 treesize of output 64 [2018-04-12 14:04:21,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,740 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,741 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 34 [2018-04-12 14:04:21,742 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,753 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,762 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,788 INFO L267 ElimStorePlain]: Start of recursive call 97: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,800 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 195 treesize of output 176 [2018-04-12 14:04:21,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-12 14:04:21,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,897 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 [2018-04-12 14:04:21,897 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,906 INFO L267 ElimStorePlain]: Start of recursive call 105: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,953 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 69 treesize of output 80 [2018-04-12 14:04:21,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:21,957 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:21,961 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 42 [2018-04-12 14:04:21,961 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:21,985 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 64 [2018-04-12 14:04:21,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:22,001 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 [2018-04-12 14:04:22,001 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:22,031 INFO L267 ElimStorePlain]: Start of recursive call 109: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:22,060 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:22,115 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:22,144 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 2 case distinctions, treesize of input 183 treesize of output 168 [2018-04-12 14:04:22,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:22,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:22,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:22,151 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:22,158 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:22,241 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 6 case distinctions, treesize of input 79 treesize of output 113 [2018-04-12 14:04:22,246 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 14:04:22,246 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:23,098 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 77 treesize of output 76 [2018-04-12 14:04:23,098 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:23,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:23,811 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 68 treesize of output 95 [2018-04-12 14:04:23,811 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:24,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 79 [2018-04-12 14:04:24,727 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:25,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-04-12 14:04:25,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:25,943 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 25 treesize of output 52 [2018-04-12 14:04:25,944 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:25,983 INFO L267 ElimStorePlain]: Start of recursive call 119: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:27,125 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 84 [2018-04-12 14:04:27,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:27,144 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 25 treesize of output 52 [2018-04-12 14:04:27,144 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:27,185 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:28,041 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 81 [2018-04-12 14:04:28,041 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:28,556 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:04:28,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:28,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2018-04-12 14:04:28,568 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:28,593 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:28,605 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 74 [2018-04-12 14:04:28,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:28,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 85 [2018-04-12 14:04:28,637 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 8 xjuncts. [2018-04-12 14:04:28,700 INFO L267 ElimStorePlain]: Start of recursive call 126: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:28,711 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:04:28,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:28,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2018-04-12 14:04:28,723 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:28,747 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:29,024 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 69 treesize of output 74 [2018-04-12 14:04:29,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:29,038 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 25 treesize of output 52 [2018-04-12 14:04:29,039 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:29,072 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:29,721 INFO L267 ElimStorePlain]: Start of recursive call 114: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-12 14:04:29,893 INFO L267 ElimStorePlain]: Start of recursive call 111: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-12 14:04:29,905 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 193 treesize of output 174 [2018-04-12 14:04:29,992 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-12 14:04:29,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:29,997 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 [2018-04-12 14:04:29,997 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,005 INFO L267 ElimStorePlain]: Start of recursive call 133: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,048 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 69 treesize of output 80 [2018-04-12 14:04:30,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,052 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,052 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 42 [2018-04-12 14:04:30,055 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,078 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 59 treesize of output 64 [2018-04-12 14:04:30,080 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,081 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,081 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,084 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 42 [2018-04-12 14:04:30,084 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,095 INFO L267 ElimStorePlain]: Start of recursive call 137: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,102 INFO L267 ElimStorePlain]: Start of recursive call 135: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,129 INFO L267 ElimStorePlain]: Start of recursive call 132: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,145 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 180 treesize of output 169 [2018-04-12 14:04:30,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:30,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:30,231 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,237 INFO L267 ElimStorePlain]: Start of recursive call 140: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,284 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 74 treesize of output 83 [2018-04-12 14:04:30,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,289 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,292 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 41 treesize of output 47 [2018-04-12 14:04:30,292 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,314 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 59 treesize of output 64 [2018-04-12 14:04:30,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2018-04-12 14:04:30,325 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,348 INFO L267 ElimStorePlain]: Start of recursive call 144: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,369 INFO L267 ElimStorePlain]: Start of recursive call 142: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,415 INFO L267 ElimStorePlain]: Start of recursive call 139: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,432 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 178 treesize of output 167 [2018-04-12 14:04:30,511 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:30,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:30,515 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,520 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,561 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 74 treesize of output 83 [2018-04-12 14:04:30,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,565 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,568 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 41 treesize of output 55 [2018-04-12 14:04:30,568 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,590 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 59 treesize of output 64 [2018-04-12 14:04:30,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,593 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,595 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 25 treesize of output 34 [2018-04-12 14:04:30,595 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,605 INFO L267 ElimStorePlain]: Start of recursive call 151: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,612 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,639 INFO L267 ElimStorePlain]: Start of recursive call 146: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,657 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 180 treesize of output 169 [2018-04-12 14:04:30,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:30,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:30,745 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,751 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,797 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 74 treesize of output 83 [2018-04-12 14:04:30,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:30,803 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 41 treesize of output 55 [2018-04-12 14:04:30,804 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:30,829 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 59 treesize of output 64 [2018-04-12 14:04:30,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:30,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 44 [2018-04-12 14:04:30,841 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,864 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,887 INFO L267 ElimStorePlain]: Start of recursive call 156: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,932 INFO L267 ElimStorePlain]: Start of recursive call 153: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:30,944 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 195 treesize of output 176 [2018-04-12 14:04:31,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-04-12 14:04:31,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,036 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 [2018-04-12 14:04:31,036 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,044 INFO L267 ElimStorePlain]: Start of recursive call 161: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,091 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 69 treesize of output 80 [2018-04-12 14:04:31,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,108 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 [2018-04-12 14:04:31,109 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:31,150 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 68 treesize of output 73 [2018-04-12 14:04:31,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,154 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:31,156 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 42 [2018-04-12 14:04:31,156 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,169 INFO L267 ElimStorePlain]: Start of recursive call 165: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,177 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 66 treesize of output 71 [2018-04-12 14:04:31,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,181 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:31,183 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 42 [2018-04-12 14:04:31,183 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,197 INFO L267 ElimStorePlain]: Start of recursive call 167: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,205 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 66 treesize of output 71 [2018-04-12 14:04:31,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,208 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,208 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:31,210 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 42 [2018-04-12 14:04:31,211 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,224 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,253 INFO L267 ElimStorePlain]: Start of recursive call 163: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:31,308 INFO L267 ElimStorePlain]: Start of recursive call 160: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:31,335 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 2 case distinctions, treesize of input 181 treesize of output 166 [2018-04-12 14:04:31,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:31,340 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:31,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:31,342 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,348 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:31,427 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 6 case distinctions, treesize of input 79 treesize of output 113 [2018-04-12 14:04:31,432 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 93 treesize of output 92 [2018-04-12 14:04:31,432 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:33,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 79 [2018-04-12 14:04:33,141 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:33,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:33,968 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 4 case distinctions, treesize of input 68 treesize of output 95 [2018-04-12 14:04:33,969 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:35,180 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 71 treesize of output 76 [2018-04-12 14:04:35,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,184 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:35,186 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 25 treesize of output 42 [2018-04-12 14:04:35,186 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:35,199 INFO L267 ElimStorePlain]: Start of recursive call 178: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:35,207 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 69 treesize of output 74 [2018-04-12 14:04:35,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,211 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:35,213 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 25 treesize of output 42 [2018-04-12 14:04:35,213 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:35,226 INFO L267 ElimStorePlain]: Start of recursive call 180: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:35,864 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 71 treesize of output 93 [2018-04-12 14:04:35,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,870 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:35,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 82 treesize of output 138 [2018-04-12 14:04:35,885 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:35,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:35,981 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:35,991 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 2 case distinctions, treesize of input 62 treesize of output 93 [2018-04-12 14:04:35,992 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:36,055 INFO L267 ElimStorePlain]: Start of recursive call 182: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:04:36,469 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 71 treesize of output 95 [2018-04-12 14:04:36,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:36,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:36,474 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:36,477 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 84 treesize of output 101 [2018-04-12 14:04:36,477 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:36,531 INFO L267 ElimStorePlain]: Start of recursive call 185: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:04:36,766 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 67 [2018-04-12 14:04:36,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:36,773 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 1 case distinctions, treesize of input 25 treesize of output 36 [2018-04-12 14:04:36,773 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:36,785 INFO L267 ElimStorePlain]: Start of recursive call 187: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:36,795 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:04:36,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:36,798 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:36,800 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 25 treesize of output 34 [2018-04-12 14:04:36,800 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:36,818 INFO L267 ElimStorePlain]: Start of recursive call 189: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,318 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 68 treesize of output 92 [2018-04-12 14:04:37,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,322 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:37,324 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 81 treesize of output 98 [2018-04-12 14:04:37,324 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,384 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:37,393 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 2 case distinctions, treesize of input 62 treesize of output 93 [2018-04-12 14:04:37,394 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:37,444 INFO L267 ElimStorePlain]: Start of recursive call 191: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:37,529 INFO L267 ElimStorePlain]: Start of recursive call 174: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:37,600 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:37,612 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 193 treesize of output 174 [2018-04-12 14:04:37,702 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 [2018-04-12 14:04:37,704 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,706 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 [2018-04-12 14:04:37,706 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,714 INFO L267 ElimStorePlain]: Start of recursive call 195: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,760 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 69 treesize of output 80 [2018-04-12 14:04:37,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,763 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:37,766 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 34 [2018-04-12 14:04:37,766 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,788 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 59 treesize of output 64 [2018-04-12 14:04:37,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,791 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:37,794 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 34 [2018-04-12 14:04:37,794 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,804 INFO L267 ElimStorePlain]: Start of recursive call 199: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,812 INFO L267 ElimStorePlain]: Start of recursive call 197: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,839 INFO L267 ElimStorePlain]: Start of recursive call 194: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,866 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 2 case distinctions, treesize of input 181 treesize of output 166 [2018-04-12 14:04:37,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:37,871 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:37,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:37,873 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,879 INFO L267 ElimStorePlain]: Start of recursive call 202: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:37,963 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 6 case distinctions, treesize of input 79 treesize of output 113 [2018-04-12 14:04:37,968 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 93 treesize of output 92 [2018-04-12 14:04:37,969 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:38,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 79 [2018-04-12 14:04:38,868 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:40,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:40,616 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 68 treesize of output 95 [2018-04-12 14:04:40,616 INFO L267 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:41,915 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 84 [2018-04-12 14:04:41,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:41,919 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:41,921 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 25 treesize of output 34 [2018-04-12 14:04:41,921 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:41,936 INFO L267 ElimStorePlain]: Start of recursive call 208: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:43,469 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 74 treesize of output 75 [2018-04-12 14:04:43,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:43,474 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:43,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 117 [2018-04-12 14:04:43,506 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 16 xjuncts. [2018-04-12 14:04:43,636 INFO L267 ElimStorePlain]: Start of recursive call 210: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-04-12 14:04:44,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:44,321 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 78 treesize of output 96 [2018-04-12 14:04:44,322 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 3 xjuncts. [2018-04-12 14:04:44,842 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 71 treesize of output 93 [2018-04-12 14:04:44,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:44,846 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:44,857 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 2 case distinctions, treesize of input 78 treesize of output 101 [2018-04-12 14:04:44,858 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:44,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:44,920 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:44,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 66 treesize of output 114 [2018-04-12 14:04:44,938 INFO L267 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 4 xjuncts. [2018-04-12 14:04:45,008 INFO L267 ElimStorePlain]: Start of recursive call 213: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:04:45,387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 67 [2018-04-12 14:04:45,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:45,395 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 1 case distinctions, treesize of input 25 treesize of output 36 [2018-04-12 14:04:45,395 INFO L267 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:45,408 INFO L267 ElimStorePlain]: Start of recursive call 216: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:45,419 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-04-12 14:04:45,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:45,423 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:45,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-04-12 14:04:45,425 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:45,439 INFO L267 ElimStorePlain]: Start of recursive call 218: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:45,910 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 68 treesize of output 92 [2018-04-12 14:04:45,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:45,913 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:45,915 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 81 treesize of output 90 [2018-04-12 14:04:45,916 INFO L267 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:45,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:45,975 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:45,988 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 2 case distinctions, treesize of input 62 treesize of output 85 [2018-04-12 14:04:45,989 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 2 xjuncts. [2018-04-12 14:04:46,036 INFO L267 ElimStorePlain]: Start of recursive call 220: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:46,172 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 69 treesize of output 74 [2018-04-12 14:04:46,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:46,175 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:46,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 34 [2018-04-12 14:04:46,177 INFO L267 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,190 INFO L267 ElimStorePlain]: Start of recursive call 223: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,236 INFO L267 ElimStorePlain]: Start of recursive call 204: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:46,295 INFO L267 ElimStorePlain]: Start of recursive call 201: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:04:46,310 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 178 treesize of output 167 [2018-04-12 14:04:46,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-04-12 14:04:46,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:46,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:46,397 INFO L267 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,402 INFO L267 ElimStorePlain]: Start of recursive call 226: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,448 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 74 treesize of output 83 [2018-04-12 14:04:46,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:46,452 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:46,454 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 41 treesize of output 47 [2018-04-12 14:04:46,454 INFO L267 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,476 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 59 treesize of output 64 [2018-04-12 14:04:46,479 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:46,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:46,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:46,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 42 [2018-04-12 14:04:46,482 INFO L267 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,494 INFO L267 ElimStorePlain]: Start of recursive call 230: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,502 INFO L267 ElimStorePlain]: Start of recursive call 228: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:46,546 INFO L267 ElimStorePlain]: Start of recursive call 225: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:50,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 292 treesize of output 278 [2018-04-12 14:04:50,830 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:50,878 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 264 treesize of output 284 [2018-04-12 14:04:50,883 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 14:04:50,884 INFO L267 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:51,354 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:51,354 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:04:51,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 266 [2018-04-12 14:04:51,363 INFO L267 ElimStorePlain]: Start of recursive call 235: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:04:51,809 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:51,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:51,875 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 270 treesize of output 293 [2018-04-12 14:04:51,877 INFO L267 ElimStorePlain]: Start of recursive call 236: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-12 14:04:52,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:52,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:52,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:52,832 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 260 treesize of output 289 [2018-04-12 14:04:52,832 INFO L267 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:53,595 INFO L267 ElimStorePlain]: Start of recursive call 233: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-04-12 14:04:55,636 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 277 treesize of output 279 [2018-04-12 14:04:55,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:55,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-04-12 14:04:55,646 INFO L267 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2018-04-12 14:04:55,739 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:04:58,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 280 treesize of output 323 [2018-04-12 14:04:58,193 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:04:58,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:58,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:04:58,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 276 treesize of output 345 [2018-04-12 14:04:58,352 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:04:58,368 INFO L267 ElimStorePlain]: Start of recursive call 241: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 52 xjuncts. Received shutdown request... [2018-04-12 14:09:50,540 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-12 14:09:50,541 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 14:09:50,544 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 14:09:50,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:09:50 BoogieIcfgContainer [2018-04-12 14:09:50,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 14:09:50,546 INFO L168 Benchmark]: Toolchain (without parser) took 859977.79 ms. Allocated memory was 404.2 MB in the beginning and 567.8 MB in the end (delta: 163.6 MB). Free memory was 342.1 MB in the beginning and 489.6 MB in the end (delta: -147.5 MB). Peak memory consumption was 191.4 MB. Max. memory is 5.3 GB. [2018-04-12 14:09:50,546 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 404.2 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 14:09:50,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.61 ms. Allocated memory is still 404.2 MB. Free memory was 340.8 MB in the beginning and 315.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 14:09:50,547 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 ms. Allocated memory is still 404.2 MB. Free memory was 315.7 MB in the beginning and 311.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-12 14:09:50,547 INFO L168 Benchmark]: RCFGBuilder took 504.39 ms. Allocated memory was 404.2 MB in the beginning and 614.5 MB in the end (delta: 210.2 MB). Free memory was 311.7 MB in the beginning and 532.1 MB in the end (delta: -220.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 14:09:50,547 INFO L168 Benchmark]: TraceAbstraction took 859148.25 ms. Allocated memory was 614.5 MB in the beginning and 567.8 MB in the end (delta: -46.7 MB). Free memory was 530.3 MB in the beginning and 489.6 MB in the end (delta: 40.6 MB). Peak memory consumption was 169.3 MB. Max. memory is 5.3 GB. [2018-04-12 14:09:50,548 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 404.2 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 277.61 ms. Allocated memory is still 404.2 MB. Free memory was 340.8 MB in the beginning and 315.7 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.59 ms. Allocated memory is still 404.2 MB. Free memory was 315.7 MB in the beginning and 311.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 504.39 ms. Allocated memory was 404.2 MB in the beginning and 614.5 MB in the end (delta: 210.2 MB). Free memory was 311.7 MB in the beginning and 532.1 MB in the end (delta: -220.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 859148.25 ms. Allocated memory was 614.5 MB in the beginning and 567.8 MB in the end (delta: -46.7 MB). Free memory was 530.3 MB in the beginning and 489.6 MB in the end (delta: 40.6 MB). Peak memory consumption was 169.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 583]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 583). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 583]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 583). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 590]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 590). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - TimeoutResultAtElement [Line: 590]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 590). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1032. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 145 locations, 55 error locations. TIMEOUT Result, 859.0s OverallTime, 27 OverallIterations, 3 TraceHistogramMax, 291.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2260 SDtfs, 11364 SDslu, 17461 SDs, 0 SdLazy, 21941 SolverSat, 1670 SolverUnsat, 461 SolverUnknown, 0 SolverNotchecked, 52.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1497 GetRequests, 641 SyntacticMatches, 44 SemanticMatches, 812 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 11257 ImplicationChecksByTransitivity, 357.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 26 MinimizatonAttempts, 986 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 138.4s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1864 ConstructedInterpolants, 256 QuantifiedInterpolants, 3139385 SizeOfPredicates, 205 NumberOfNonLiveVariables, 3981 ConjunctsInSsa, 607 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 220/591 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_14-09-50-553.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_14-09-50-553.csv Completed graceful shutdown