java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:26:09,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:26:09,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:26:09,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-10 15:26:09,336 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-10 15:26:09,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:26:09,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:26:09,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:26:09,354 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:26:09,354 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:26:09,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:26:09,354 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:26:09,354 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:26:09,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:26:09,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:26:09,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:26:09,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:26:09,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:26:09,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:26:09,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:26:09,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:26:09,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:26:09,395 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:26:09,399 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:26:09,401 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:26:09,401 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:26:09,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,688 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb18c584e5 [2018-04-10 15:26:09,883 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:26:09,883 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:26:09,884 INFO L168 CDTParser]: Scanning dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,892 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:26:09,892 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:26:09,892 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:26:09,892 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__register_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,893 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,894 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uint in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__SLL in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,895 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,896 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ushort in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,897 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ulong in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,898 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_set in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,899 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,900 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__div_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__size_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,901 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,902 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,903 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:09,917 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb18c584e5 [2018-04-10 15:26:09,920 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:26:09,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:26:09,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:26:09,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:26:09,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:26:09,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:26:09" (1/1) ... [2018-04-10 15:26:09,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d82c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:09, skipping insertion in model container [2018-04-10 15:26:09,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:26:09" (1/1) ... [2018-04-10 15:26:09,939 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:26:09,963 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:26:10,090 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:26:10,127 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:26:10,133 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 15:26:10,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10 WrapperNode [2018-04-10 15:26:10,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:26:10,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:26:10,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:26:10,171 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:26:10,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... [2018-04-10 15:26:10,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:26:10,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:26:10,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:26:10,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:26:10,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:26:10,308 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:26:10,308 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:26:10,308 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 15:26:10,309 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 15:26:10,310 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 15:26:10,311 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 15:26:10,312 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 15:26:10,313 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 15:26:10,314 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 15:26:10,315 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 15:26:10,316 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 15:26:10,317 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 15:26:10,318 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:26:10,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:26:10,320 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 15:26:10,707 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:26:10,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:26:10 BoogieIcfgContainer [2018-04-10 15:26:10,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:26:10,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:26:10,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:26:10,711 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:26:10,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:26:09" (1/3) ... [2018-04-10 15:26:10,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50837ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:26:10, skipping insertion in model container [2018-04-10 15:26:10,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:26:10" (2/3) ... [2018-04-10 15:26:10,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50837ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:26:10, skipping insertion in model container [2018-04-10 15:26:10,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:26:10" (3/3) ... [2018-04-10 15:26:10,713 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:26:10,721 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:26:10,727 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-10 15:26:10,757 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:26:10,757 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:26:10,758 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:26:10,758 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:26:10,758 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:26:10,758 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:26:10,758 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:26:10,758 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:26:10,758 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:26:10,759 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:26:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-04-10 15:26:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:26:10,775 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:10,775 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:10,775 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:10,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1243505339, now seen corresponding path program 1 times [2018-04-10 15:26:10,819 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:10,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:10,897 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:10,897 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:26:10,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:10,899 INFO L182 omatonBuilderFactory]: Interpolants [140#true, 141#false, 142#(= 1 (select |#valid| |main_#t~malloc0.base|)), 143#(= 1 (select |#valid| main_~head~0.base))] [2018-04-10 15:26:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:10,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:26:10,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:26:10,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:26:10,914 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 4 states. [2018-04-10 15:26:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:11,056 INFO L93 Difference]: Finished difference Result 162 states and 165 transitions. [2018-04-10 15:26:11,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:26:11,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:26:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:11,067 INFO L225 Difference]: With dead ends: 162 [2018-04-10 15:26:11,067 INFO L226 Difference]: Without dead ends: 159 [2018-04-10 15:26:11,069 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-04-10 15:26:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 131. [2018-04-10 15:26:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-10 15:26:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2018-04-10 15:26:11,103 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 8 [2018-04-10 15:26:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:11,104 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2018-04-10 15:26:11,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:26:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2018-04-10 15:26:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:26:11,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:11,104 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:11,104 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:11,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1243505338, now seen corresponding path program 1 times [2018-04-10 15:26:11,106 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:11,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,155 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:11,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:26:11,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,156 INFO L182 omatonBuilderFactory]: Interpolants [439#true, 440#false, 441#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 442#(and (= 12 (select |#length| main_~head~0.base)) (= main_~head~0.offset 0))] [2018-04-10 15:26:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:26:11,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:26:11,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:26:11,157 INFO L87 Difference]: Start difference. First operand 131 states and 133 transitions. Second operand 4 states. [2018-04-10 15:26:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:11,256 INFO L93 Difference]: Finished difference Result 156 states and 158 transitions. [2018-04-10 15:26:11,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:26:11,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:26:11,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:11,258 INFO L225 Difference]: With dead ends: 156 [2018-04-10 15:26:11,258 INFO L226 Difference]: Without dead ends: 156 [2018-04-10 15:26:11,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-04-10 15:26:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 128. [2018-04-10 15:26:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-10 15:26:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2018-04-10 15:26:11,266 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 8 [2018-04-10 15:26:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:11,266 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2018-04-10 15:26:11,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:26:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2018-04-10 15:26:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-10 15:26:11,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:11,267 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:11,267 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:11,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1332672851, now seen corresponding path program 1 times [2018-04-10 15:26:11,268 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:11,282 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:11,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,311 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:11,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:26:11,311 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,312 INFO L182 omatonBuilderFactory]: Interpolants [729#true, 730#false, 731#(= 1 (select |#valid| main_~head~0.base)), 732#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:26:11,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:26:11,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:26:11,312 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand 4 states. [2018-04-10 15:26:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:11,404 INFO L93 Difference]: Finished difference Result 132 states and 135 transitions. [2018-04-10 15:26:11,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:26:11,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-10 15:26:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:11,405 INFO L225 Difference]: With dead ends: 132 [2018-04-10 15:26:11,405 INFO L226 Difference]: Without dead ends: 132 [2018-04-10 15:26:11,405 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-10 15:26:11,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 117. [2018-04-10 15:26:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-04-10 15:26:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2018-04-10 15:26:11,410 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 15 [2018-04-10 15:26:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:11,410 INFO L459 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2018-04-10 15:26:11,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:26:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2018-04-10 15:26:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-10 15:26:11,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:11,411 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:11,411 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:11,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1332672852, now seen corresponding path program 1 times [2018-04-10 15:26:11,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:11,423 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,474 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:11,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:26:11,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,475 INFO L182 omatonBuilderFactory]: Interpolants [984#true, 985#false, 986#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 987#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 988#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:26:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:26:11,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:26:11,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,476 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand 5 states. [2018-04-10 15:26:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:11,644 INFO L93 Difference]: Finished difference Result 205 states and 209 transitions. [2018-04-10 15:26:11,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:26:11,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-10 15:26:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:11,646 INFO L225 Difference]: With dead ends: 205 [2018-04-10 15:26:11,646 INFO L226 Difference]: Without dead ends: 205 [2018-04-10 15:26:11,646 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:26:11,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-10 15:26:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 158. [2018-04-10 15:26:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 15:26:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2018-04-10 15:26:11,654 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 15 [2018-04-10 15:26:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:11,654 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2018-04-10 15:26:11,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:26:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2018-04-10 15:26:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 15:26:11,655 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:11,655 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:11,655 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:11,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1020098763, now seen corresponding path program 1 times [2018-04-10 15:26:11,657 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:11,668 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,702 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:11,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:26:11,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,703 INFO L182 omatonBuilderFactory]: Interpolants [1360#(= 1 (select |#valid| |main_#t~mem3.base|)), 1356#true, 1357#false, 1358#(= 1 (select |#valid| |main_#t~malloc2.base|)), 1359#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:26:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:26:11,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:26:11,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,703 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 5 states. [2018-04-10 15:26:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:11,872 INFO L93 Difference]: Finished difference Result 225 states and 236 transitions. [2018-04-10 15:26:11,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:26:11,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-10 15:26:11,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:11,873 INFO L225 Difference]: With dead ends: 225 [2018-04-10 15:26:11,873 INFO L226 Difference]: Without dead ends: 225 [2018-04-10 15:26:11,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:26:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-10 15:26:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 157. [2018-04-10 15:26:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 15:26:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2018-04-10 15:26:11,880 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 18 [2018-04-10 15:26:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:11,880 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2018-04-10 15:26:11,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:26:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2018-04-10 15:26:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 15:26:11,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:11,881 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:11,881 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:11,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1020098762, now seen corresponding path program 1 times [2018-04-10 15:26:11,882 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:11,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,943 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:11,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:26:11,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,943 INFO L182 omatonBuilderFactory]: Interpolants [1747#true, 1748#false, 1749#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|)), 1750#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1751#(and (= |main_#t~mem3.offset| 0) (= 12 (select |#length| |main_#t~mem3.base|)))] [2018-04-10 15:26:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:11,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:26:11,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:26:11,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:11,944 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 5 states. [2018-04-10 15:26:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:12,100 INFO L93 Difference]: Finished difference Result 255 states and 267 transitions. [2018-04-10 15:26:12,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:26:12,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-10 15:26:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:12,101 INFO L225 Difference]: With dead ends: 255 [2018-04-10 15:26:12,101 INFO L226 Difference]: Without dead ends: 255 [2018-04-10 15:26:12,101 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:26:12,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-04-10 15:26:12,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 156. [2018-04-10 15:26:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 15:26:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 165 transitions. [2018-04-10 15:26:12,106 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 165 transitions. Word has length 18 [2018-04-10 15:26:12,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:12,106 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 165 transitions. [2018-04-10 15:26:12,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:26:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2018-04-10 15:26:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 15:26:12,107 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:12,107 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:12,107 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:12,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1578271401, now seen corresponding path program 1 times [2018-04-10 15:26:12,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:12,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,147 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:12,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:26:12,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,147 INFO L182 omatonBuilderFactory]: Interpolants [2169#true, 2170#false, 2171#(= 1 (select |#valid| |main_#t~malloc5.base|)), 2172#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2173#(= 1 (select |#valid| |main_#t~mem6.base|))] [2018-04-10 15:26:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:26:12,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:26:12,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:12,148 INFO L87 Difference]: Start difference. First operand 156 states and 165 transitions. Second operand 5 states. [2018-04-10 15:26:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:12,222 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2018-04-10 15:26:12,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:26:12,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-10 15:26:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:12,223 INFO L225 Difference]: With dead ends: 159 [2018-04-10 15:26:12,224 INFO L226 Difference]: Without dead ends: 159 [2018-04-10 15:26:12,224 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:26:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-04-10 15:26:12,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2018-04-10 15:26:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-10 15:26:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 163 transitions. [2018-04-10 15:26:12,227 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 163 transitions. Word has length 19 [2018-04-10 15:26:12,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:12,227 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 163 transitions. [2018-04-10 15:26:12,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:26:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 163 transitions. [2018-04-10 15:26:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 15:26:12,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:12,228 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:12,228 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1578271400, now seen corresponding path program 1 times [2018-04-10 15:26:12,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:12,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,284 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:12,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:26:12,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,285 INFO L182 omatonBuilderFactory]: Interpolants [2496#(and (= |main_#t~mem6.offset| 0) (= 12 (select |#length| |main_#t~mem6.base|))), 2492#true, 2493#false, 2494#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| |main_#t~malloc5.base|))), 2495#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:26:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:26:12,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:26:12,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:26:12,286 INFO L87 Difference]: Start difference. First operand 155 states and 163 transitions. Second operand 5 states. [2018-04-10 15:26:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:12,406 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2018-04-10 15:26:12,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:26:12,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-10 15:26:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:12,407 INFO L225 Difference]: With dead ends: 154 [2018-04-10 15:26:12,407 INFO L226 Difference]: Without dead ends: 154 [2018-04-10 15:26:12,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:26:12,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-10 15:26:12,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-04-10 15:26:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-10 15:26:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 161 transitions. [2018-04-10 15:26:12,410 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 161 transitions. Word has length 19 [2018-04-10 15:26:12,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:12,410 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 161 transitions. [2018-04-10 15:26:12,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:26:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 161 transitions. [2018-04-10 15:26:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:26:12,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:12,411 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] [2018-04-10 15:26:12,411 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:12,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1276271173, now seen corresponding path program 1 times [2018-04-10 15:26:12,412 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:12,425 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,526 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:12,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:26:12,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,527 INFO L182 omatonBuilderFactory]: Interpolants [2816#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 2817#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|))), 2818#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2819#(= 1 (select |#valid| |main_#t~mem7.base|)), 2811#true, 2812#false, 2813#(= 1 (select |#valid| main_~head~0.base)), 2814#(= (select |#valid| main_~x~0.base) 1), 2815#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|)))] [2018-04-10 15:26:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:26:12,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:26:12,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:26:12,527 INFO L87 Difference]: Start difference. First operand 154 states and 161 transitions. Second operand 9 states. [2018-04-10 15:26:12,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:12,726 INFO L93 Difference]: Finished difference Result 155 states and 160 transitions. [2018-04-10 15:26:12,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:26:12,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-10 15:26:12,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:12,727 INFO L225 Difference]: With dead ends: 155 [2018-04-10 15:26:12,727 INFO L226 Difference]: Without dead ends: 155 [2018-04-10 15:26:12,727 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:26:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-04-10 15:26:12,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2018-04-10 15:26:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:26:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 15:26:12,730 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 22 [2018-04-10 15:26:12,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:12,730 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 15:26:12,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:26:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 15:26:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:26:12,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:12,731 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] [2018-04-10 15:26:12,731 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:12,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1276271172, now seen corresponding path program 1 times [2018-04-10 15:26:12,732 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:12,742 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,816 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:12,816 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:26:12,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,816 INFO L182 omatonBuilderFactory]: Interpolants [3138#true, 3139#false, 3140#(= 1 (select |#valid| main_~head~0.base)), 3141#(= (select |#valid| main_~x~0.base) 1), 3142#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 3143#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3144#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3145#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3146#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= |main_#t~mem7.offset| 0))] [2018-04-10 15:26:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:12,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:26:12,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:26:12,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:26:12,817 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 9 states. [2018-04-10 15:26:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:13,122 INFO L93 Difference]: Finished difference Result 154 states and 159 transitions. [2018-04-10 15:26:13,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:26:13,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-10 15:26:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:13,123 INFO L225 Difference]: With dead ends: 154 [2018-04-10 15:26:13,123 INFO L226 Difference]: Without dead ends: 154 [2018-04-10 15:26:13,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:26:13,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-10 15:26:13,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2018-04-10 15:26:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-10 15:26:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 159 transitions. [2018-04-10 15:26:13,125 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 159 transitions. Word has length 22 [2018-04-10 15:26:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:13,126 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 159 transitions. [2018-04-10 15:26:13,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:26:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 159 transitions. [2018-04-10 15:26:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:26:13,126 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:13,126 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] [2018-04-10 15:26:13,126 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:13,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1266958903, now seen corresponding path program 1 times [2018-04-10 15:26:13,127 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:13,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,210 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:13,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:26:13,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,211 INFO L182 omatonBuilderFactory]: Interpolants [3463#true, 3464#false, 3465#(= 1 (select |#valid| main_~head~0.base)), 3466#(= (select |#valid| main_~x~0.base) 1), 3467#(and (= 1 (select |#valid| |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 3468#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3469#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem3.base|))), 3470#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3471#(= 1 (select |#valid| |main_#t~mem4.base|))] [2018-04-10 15:26:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:26:13,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:26:13,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:26:13,211 INFO L87 Difference]: Start difference. First operand 152 states and 159 transitions. Second operand 9 states. [2018-04-10 15:26:13,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:13,474 INFO L93 Difference]: Finished difference Result 153 states and 158 transitions. [2018-04-10 15:26:13,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:26:13,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-10 15:26:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:13,475 INFO L225 Difference]: With dead ends: 153 [2018-04-10 15:26:13,475 INFO L226 Difference]: Without dead ends: 153 [2018-04-10 15:26:13,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:26:13,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-10 15:26:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2018-04-10 15:26:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-04-10 15:26:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 158 transitions. [2018-04-10 15:26:13,481 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 158 transitions. Word has length 22 [2018-04-10 15:26:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:13,481 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 158 transitions. [2018-04-10 15:26:13,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:26:13,482 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 158 transitions. [2018-04-10 15:26:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 15:26:13,482 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:13,482 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] [2018-04-10 15:26:13,483 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:13,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1266958904, now seen corresponding path program 1 times [2018-04-10 15:26:13,484 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:13,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,609 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:13,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:26:13,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,610 INFO L182 omatonBuilderFactory]: Interpolants [3792#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3793#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3794#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= 0 |main_#t~mem4.offset|)), 3795#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 3786#true, 3787#false, 3788#(= 1 (select |#valid| main_~head~0.base)), 3789#(= (select |#valid| main_~x~0.base) 1), 3790#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (not (= main_~x~0.base |main_#t~malloc2.base|))), 3791#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:26:13,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:13,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:26:13,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:26:13,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:26:13,610 INFO L87 Difference]: Start difference. First operand 151 states and 158 transitions. Second operand 10 states. [2018-04-10 15:26:13,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:13,979 INFO L93 Difference]: Finished difference Result 148 states and 153 transitions. [2018-04-10 15:26:13,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:26:13,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-04-10 15:26:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:13,980 INFO L225 Difference]: With dead ends: 148 [2018-04-10 15:26:13,980 INFO L226 Difference]: Without dead ends: 148 [2018-04-10 15:26:13,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:26:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-10 15:26:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 127. [2018-04-10 15:26:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-10 15:26:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 133 transitions. [2018-04-10 15:26:13,982 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 133 transitions. Word has length 22 [2018-04-10 15:26:13,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:13,983 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 133 transitions. [2018-04-10 15:26:13,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:26:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 133 transitions. [2018-04-10 15:26:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-10 15:26:13,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:13,984 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] [2018-04-10 15:26:13,984 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:13,984 INFO L82 PathProgramCache]: Analyzing trace with hash 115539414, now seen corresponding path program 1 times [2018-04-10 15:26:13,985 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:13,994 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,048 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:14,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 15:26:14,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,049 INFO L182 omatonBuilderFactory]: Interpolants [4096#(= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 4097#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 4098#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4099#(= 1 (select |#valid| |main_#t~mem12.base|)), 4100#(= 1 (select |#valid| main_~x~0.base)), 4093#true, 4094#false, 4095#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:26:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:26:14,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:26:14,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:26:14,050 INFO L87 Difference]: Start difference. First operand 127 states and 133 transitions. Second operand 8 states. [2018-04-10 15:26:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:14,300 INFO L93 Difference]: Finished difference Result 223 states and 230 transitions. [2018-04-10 15:26:14,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:26:14,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-04-10 15:26:14,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:14,301 INFO L225 Difference]: With dead ends: 223 [2018-04-10 15:26:14,301 INFO L226 Difference]: Without dead ends: 223 [2018-04-10 15:26:14,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:26:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-10 15:26:14,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 153. [2018-04-10 15:26:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:26:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 162 transitions. [2018-04-10 15:26:14,303 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 162 transitions. Word has length 37 [2018-04-10 15:26:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:14,303 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 162 transitions. [2018-04-10 15:26:14,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:26:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2018-04-10 15:26:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-10 15:26:14,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:14,304 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] [2018-04-10 15:26:14,304 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:14,304 INFO L82 PathProgramCache]: Analyzing trace with hash 115539415, now seen corresponding path program 1 times [2018-04-10 15:26:14,305 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:14,312 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,462 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:14,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-10 15:26:14,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,462 INFO L182 omatonBuilderFactory]: Interpolants [4491#true, 4492#false, 4493#(= 1 (select |#valid| main_~head~0.base)), 4494#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 4495#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 4496#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 4497#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 4498#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 4499#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4500#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4501#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 4502#(and (<= (+ |main_#t~mem12.offset| 12) (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 4503#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:26:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:14,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:26:14,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:26:14,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:26:14,463 INFO L87 Difference]: Start difference. First operand 153 states and 162 transitions. Second operand 13 states. [2018-04-10 15:26:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:14,963 INFO L93 Difference]: Finished difference Result 255 states and 262 transitions. [2018-04-10 15:26:14,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 15:26:14,964 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-10 15:26:14,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:14,964 INFO L225 Difference]: With dead ends: 255 [2018-04-10 15:26:14,965 INFO L226 Difference]: Without dead ends: 255 [2018-04-10 15:26:14,965 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:26:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-04-10 15:26:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 153. [2018-04-10 15:26:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:26:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 161 transitions. [2018-04-10 15:26:14,968 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 161 transitions. Word has length 37 [2018-04-10 15:26:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:14,969 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 161 transitions. [2018-04-10 15:26:14,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:26:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 161 transitions. [2018-04-10 15:26:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-10 15:26:14,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:14,970 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:14,970 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:14,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1992808857, now seen corresponding path program 1 times [2018-04-10 15:26:14,971 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:14,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,043 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:15,043 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-10 15:26:15,043 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,044 INFO L182 omatonBuilderFactory]: Interpolants [4934#true, 4935#false, 4936#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 4937#(= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 4938#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 4939#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4940#(= 1 (select |#valid| |main_#t~mem10.base|)), 4941#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:26:15,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:26:15,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:26:15,044 INFO L87 Difference]: Start difference. First operand 153 states and 161 transitions. Second operand 8 states. [2018-04-10 15:26:15,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:15,336 INFO L93 Difference]: Finished difference Result 225 states and 232 transitions. [2018-04-10 15:26:15,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:26:15,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-04-10 15:26:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:15,337 INFO L225 Difference]: With dead ends: 225 [2018-04-10 15:26:15,337 INFO L226 Difference]: Without dead ends: 225 [2018-04-10 15:26:15,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:26:15,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-10 15:26:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 161. [2018-04-10 15:26:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-10 15:26:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 170 transitions. [2018-04-10 15:26:15,341 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 170 transitions. Word has length 37 [2018-04-10 15:26:15,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:15,341 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 170 transitions. [2018-04-10 15:26:15,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:26:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 170 transitions. [2018-04-10 15:26:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-10 15:26:15,342 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:15,342 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:15,342 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1992808858, now seen corresponding path program 1 times [2018-04-10 15:26:15,343 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:15,369 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,558 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:15,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:26:15,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,559 INFO L182 omatonBuilderFactory]: Interpolants [5344#(= 1 (select |#valid| main_~head~0.base)), 5345#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 5346#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5347#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5348#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5349#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5350#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5351#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5352#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 5353#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 5354#(and (or (not (= |main_#t~mem9| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 5355#(and (<= (+ |main_#t~mem10.offset| 12) (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 5356#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 5342#true, 5343#false] [2018-04-10 15:26:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:15,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:26:15,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:26:15,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:26:15,559 INFO L87 Difference]: Start difference. First operand 161 states and 170 transitions. Second operand 15 states. [2018-04-10 15:26:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:16,097 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2018-04-10 15:26:16,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 15:26:16,097 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-04-10 15:26:16,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:16,098 INFO L225 Difference]: With dead ends: 267 [2018-04-10 15:26:16,098 INFO L226 Difference]: Without dead ends: 267 [2018-04-10 15:26:16,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:26:16,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-04-10 15:26:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 159. [2018-04-10 15:26:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-10 15:26:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 167 transitions. [2018-04-10 15:26:16,101 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 167 transitions. Word has length 37 [2018-04-10 15:26:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:16,102 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 167 transitions. [2018-04-10 15:26:16,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:26:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 167 transitions. [2018-04-10 15:26:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-10 15:26:16,103 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:16,103 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-04-10 15:26:16,103 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1936110914, now seen corresponding path program 1 times [2018-04-10 15:26:16,104 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:16,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,373 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:16,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-04-10 15:26:16,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,373 INFO L182 omatonBuilderFactory]: Interpolants [5805#true, 5806#false, 5807#(= 0 |main_#t~malloc0.offset|), 5808#(= main_~head~0.offset 0), 5809#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 5810#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5811#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5812#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5813#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5814#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5815#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 5816#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 5817#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))), 5818#(= |main_#t~mem8| 1), 5819#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)), 5820#(not (= |main_#t~mem9| 0))] [2018-04-10 15:26:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:26:16,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:26:16,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:26:16,374 INFO L87 Difference]: Start difference. First operand 159 states and 167 transitions. Second operand 16 states. [2018-04-10 15:26:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:16,778 INFO L93 Difference]: Finished difference Result 221 states and 226 transitions. [2018-04-10 15:26:16,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:26:16,778 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2018-04-10 15:26:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:16,778 INFO L225 Difference]: With dead ends: 221 [2018-04-10 15:26:16,779 INFO L226 Difference]: Without dead ends: 221 [2018-04-10 15:26:16,779 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:26:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-04-10 15:26:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 153. [2018-04-10 15:26:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:26:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 15:26:16,781 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 46 [2018-04-10 15:26:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:16,781 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 15:26:16,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:26:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 15:26:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 15:26:16,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:16,781 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:16,782 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:16,782 INFO L82 PathProgramCache]: Analyzing trace with hash -700426646, now seen corresponding path program 1 times [2018-04-10 15:26:16,782 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:16,792 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:16,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-10 15:26:16,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,884 INFO L182 omatonBuilderFactory]: Interpolants [6224#false, 6225#(= 1 (select |#valid| main_~head~0.base)), 6226#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 6227#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6228#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 6229#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 6230#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 6231#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 6232#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 6233#(= |main_#t~mem17.offset| 0), 6223#true] [2018-04-10 15:26:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:16,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-10 15:26:16,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-10 15:26:16,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-10 15:26:16,885 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 11 states. [2018-04-10 15:26:17,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:17,185 INFO L93 Difference]: Finished difference Result 220 states and 225 transitions. [2018-04-10 15:26:17,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 15:26:17,185 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 49 [2018-04-10 15:26:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:17,186 INFO L225 Difference]: With dead ends: 220 [2018-04-10 15:26:17,186 INFO L226 Difference]: Without dead ends: 220 [2018-04-10 15:26:17,186 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:26:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-04-10 15:26:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 165. [2018-04-10 15:26:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-04-10 15:26:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 173 transitions. [2018-04-10 15:26:17,188 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 173 transitions. Word has length 49 [2018-04-10 15:26:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:17,189 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 173 transitions. [2018-04-10 15:26:17,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-10 15:26:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 173 transitions. [2018-04-10 15:26:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:26:17,189 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:17,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:17,189 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash -238389276, now seen corresponding path program 1 times [2018-04-10 15:26:17,190 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:17,204 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,262 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:17,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 15:26:17,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,263 INFO L182 omatonBuilderFactory]: Interpolants [6640#false, 6641#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6642#(= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 6643#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 6644#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 6645#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6646#(= 1 (select |#valid| |main_#t~mem17.base|)), 6639#true] [2018-04-10 15:26:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:26:17,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:26:17,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:26:17,264 INFO L87 Difference]: Start difference. First operand 165 states and 173 transitions. Second operand 8 states. [2018-04-10 15:26:17,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:17,502 INFO L93 Difference]: Finished difference Result 206 states and 212 transitions. [2018-04-10 15:26:17,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:26:17,502 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-04-10 15:26:17,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:17,503 INFO L225 Difference]: With dead ends: 206 [2018-04-10 15:26:17,503 INFO L226 Difference]: Without dead ends: 206 [2018-04-10 15:26:17,504 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:26:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-04-10 15:26:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2018-04-10 15:26:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-10 15:26:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 193 transitions. [2018-04-10 15:26:17,507 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 193 transitions. Word has length 50 [2018-04-10 15:26:17,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:17,507 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 193 transitions. [2018-04-10 15:26:17,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:26:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 193 transitions. [2018-04-10 15:26:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:26:17,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:17,508 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:17,508 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash -947725780, now seen corresponding path program 1 times [2018-04-10 15:26:17,509 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:17,518 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,688 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:17,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-10 15:26:17,689 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,689 INFO L182 omatonBuilderFactory]: Interpolants [7042#true, 7043#false, 7044#(= 1 (select |#valid| main_~head~0.base)), 7045#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 7046#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7047#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 7048#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 7049#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem7.base|))), 7050#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 7051#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7052#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7053#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))), 7054#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 7055#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:17,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:26:17,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:26:17,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:26:17,690 INFO L87 Difference]: Start difference. First operand 181 states and 193 transitions. Second operand 14 states. [2018-04-10 15:26:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:18,208 INFO L93 Difference]: Finished difference Result 222 states and 232 transitions. [2018-04-10 15:26:18,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:26:18,208 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 50 [2018-04-10 15:26:18,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:18,209 INFO L225 Difference]: With dead ends: 222 [2018-04-10 15:26:18,209 INFO L226 Difference]: Without dead ends: 222 [2018-04-10 15:26:18,209 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:26:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-10 15:26:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 188. [2018-04-10 15:26:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-10 15:26:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 201 transitions. [2018-04-10 15:26:18,211 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 201 transitions. Word has length 50 [2018-04-10 15:26:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:18,211 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 201 transitions. [2018-04-10 15:26:18,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:26:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 201 transitions. [2018-04-10 15:26:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-10 15:26:18,212 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:18,212 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:18,212 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:18,212 INFO L82 PathProgramCache]: Analyzing trace with hash -947725779, now seen corresponding path program 1 times [2018-04-10 15:26:18,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:18,218 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:18,397 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:18,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:26:18,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:18,397 INFO L182 omatonBuilderFactory]: Interpolants [7492#true, 7493#false, 7494#(= 1 (select |#valid| main_~head~0.base)), 7495#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 7496#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7497#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 7498#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 7499#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 7500#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7501#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 7502#(and (<= (select |#length| |main_#t~mem12.base|) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem12.offset|) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7503#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0)), 7504#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 7505#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7506#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 12) (select |#length| |main_#t~mem15.base|))), 7507#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-04-10 15:26:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:18,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:26:18,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:26:18,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:26:18,398 INFO L87 Difference]: Start difference. First operand 188 states and 201 transitions. Second operand 16 states. [2018-04-10 15:26:19,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:19,006 INFO L93 Difference]: Finished difference Result 232 states and 241 transitions. [2018-04-10 15:26:19,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:26:19,006 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2018-04-10 15:26:19,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:19,007 INFO L225 Difference]: With dead ends: 232 [2018-04-10 15:26:19,007 INFO L226 Difference]: Without dead ends: 232 [2018-04-10 15:26:19,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:26:19,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-10 15:26:19,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 195. [2018-04-10 15:26:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-04-10 15:26:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 208 transitions. [2018-04-10 15:26:19,009 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 208 transitions. Word has length 50 [2018-04-10 15:26:19,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:19,009 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 208 transitions. [2018-04-10 15:26:19,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:26:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 208 transitions. [2018-04-10 15:26:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:26:19,010 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:19,010 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:19,010 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:19,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1314925652, now seen corresponding path program 1 times [2018-04-10 15:26:19,011 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:19,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,147 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:19,148 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:26:19,148 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,148 INFO L182 omatonBuilderFactory]: Interpolants [7968#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7969#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 7970#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1)), 7971#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 7972#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 7973#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7974#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 7975#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7976#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 7977#(= 1 (select |#valid| |main_#t~mem12.base|)), 7978#(= 1 (select |#valid| main_~x~0.base)), 7963#true, 7964#false, 7965#(= 1 (select |#valid| main_~head~0.base)), 7966#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 7967#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|)))] [2018-04-10 15:26:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:26:19,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:26:19,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:26:19,149 INFO L87 Difference]: Start difference. First operand 195 states and 208 transitions. Second operand 16 states. [2018-04-10 15:26:19,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:19,708 INFO L93 Difference]: Finished difference Result 320 states and 338 transitions. [2018-04-10 15:26:19,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:26:19,709 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 51 [2018-04-10 15:26:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:19,709 INFO L225 Difference]: With dead ends: 320 [2018-04-10 15:26:19,709 INFO L226 Difference]: Without dead ends: 320 [2018-04-10 15:26:19,710 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:26:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-04-10 15:26:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 232. [2018-04-10 15:26:19,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-10 15:26:19,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 248 transitions. [2018-04-10 15:26:19,712 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 248 transitions. Word has length 51 [2018-04-10 15:26:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:19,712 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 248 transitions. [2018-04-10 15:26:19,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:26:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 248 transitions. [2018-04-10 15:26:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:26:19,712 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:19,712 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:19,713 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:19,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1314925651, now seen corresponding path program 1 times [2018-04-10 15:26:19,713 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:19,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:19,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:26:19,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,945 INFO L182 omatonBuilderFactory]: Interpolants [8576#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8577#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8578#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8579#(and (= 12 (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 8580#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 8563#true, 8564#false, 8565#(= 1 (select |#valid| main_~head~0.base)), 8566#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8567#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 8568#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 8569#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8570#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8571#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8572#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8573#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8574#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8575#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:26:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:19,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:26:19,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:26:19,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:26:19,945 INFO L87 Difference]: Start difference. First operand 232 states and 248 transitions. Second operand 18 states. [2018-04-10 15:26:20,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:20,438 INFO L93 Difference]: Finished difference Result 340 states and 356 transitions. [2018-04-10 15:26:20,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:26:20,438 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2018-04-10 15:26:20,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:20,439 INFO L225 Difference]: With dead ends: 340 [2018-04-10 15:26:20,439 INFO L226 Difference]: Without dead ends: 340 [2018-04-10 15:26:20,439 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=691, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:26:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-10 15:26:20,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 232. [2018-04-10 15:26:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-10 15:26:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 247 transitions. [2018-04-10 15:26:20,441 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 247 transitions. Word has length 51 [2018-04-10 15:26:20,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:20,442 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 247 transitions. [2018-04-10 15:26:20,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:26:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 247 transitions. [2018-04-10 15:26:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:26:20,442 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:20,442 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-04-10 15:26:20,442 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:20,442 INFO L82 PathProgramCache]: Analyzing trace with hash 562343791, now seen corresponding path program 1 times [2018-04-10 15:26:20,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:20,449 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:20,645 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:20,645 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:26:20,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:20,646 INFO L182 omatonBuilderFactory]: Interpolants [9184#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|))), 9185#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 9186#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 9187#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 9188#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem6.base| main_~head~0.base))), 9189#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base))), 9190#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 9191#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 9192#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 9193#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| 0))), 9194#(= 1 (select |#valid| |main_#t~mem10.base|)), 9195#(= 1 (select |#valid| main_~x~0.base)), 9177#true, 9178#false, 9179#(= 1 (select |#valid| main_~head~0.base)), 9180#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 9181#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 9182#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 9183#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:26:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:20,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:26:20,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:26:20,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:26:20,646 INFO L87 Difference]: Start difference. First operand 232 states and 247 transitions. Second operand 19 states. [2018-04-10 15:26:21,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:21,356 INFO L93 Difference]: Finished difference Result 322 states and 340 transitions. [2018-04-10 15:26:21,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:26:21,356 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2018-04-10 15:26:21,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:21,358 INFO L225 Difference]: With dead ends: 322 [2018-04-10 15:26:21,358 INFO L226 Difference]: Without dead ends: 322 [2018-04-10 15:26:21,358 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:26:21,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-04-10 15:26:21,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 240. [2018-04-10 15:26:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-10 15:26:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 256 transitions. [2018-04-10 15:26:21,362 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 256 transitions. Word has length 51 [2018-04-10 15:26:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:21,362 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 256 transitions. [2018-04-10 15:26:21,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:26:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 256 transitions. [2018-04-10 15:26:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 15:26:21,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:21,363 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-04-10 15:26:21,363 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:21,363 INFO L82 PathProgramCache]: Analyzing trace with hash 562343792, now seen corresponding path program 1 times [2018-04-10 15:26:21,364 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:21,375 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:21,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:21,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:26:21,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:21,660 INFO L182 omatonBuilderFactory]: Interpolants [9798#true, 9799#false, 9800#(= 1 (select |#valid| main_~head~0.base)), 9801#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 9802#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 9803#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 9804#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 9805#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9806#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9807#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9808#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc5.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9809#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9810#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9811#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9812#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9813#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 9814#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 9815#(or (not (= |main_#t~mem9| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 9816#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 9817#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:26:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:21,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:26:21,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:26:21,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:26:21,661 INFO L87 Difference]: Start difference. First operand 240 states and 256 transitions. Second operand 20 states. [2018-04-10 15:26:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:22,520 INFO L93 Difference]: Finished difference Result 355 states and 372 transitions. [2018-04-10 15:26:22,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:26:22,520 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2018-04-10 15:26:22,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:22,521 INFO L225 Difference]: With dead ends: 355 [2018-04-10 15:26:22,521 INFO L226 Difference]: Without dead ends: 355 [2018-04-10 15:26:22,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=954, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:26:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-04-10 15:26:22,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 246. [2018-04-10 15:26:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-04-10 15:26:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 262 transitions. [2018-04-10 15:26:22,526 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 262 transitions. Word has length 51 [2018-04-10 15:26:22,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:22,526 INFO L459 AbstractCegarLoop]: Abstraction has 246 states and 262 transitions. [2018-04-10 15:26:22,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:26:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 262 transitions. [2018-04-10 15:26:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-10 15:26:22,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:22,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:22,527 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:22,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1765591609, now seen corresponding path program 1 times [2018-04-10 15:26:22,528 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:22,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:22,678 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:22,678 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-10 15:26:22,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:22,679 INFO L182 omatonBuilderFactory]: Interpolants [10449#true, 10450#false, 10451#(= 1 (select |#valid| main_~head~0.base)), 10452#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 10453#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10454#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 10455#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 10456#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 10457#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 10458#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10459#(and (not (= |main_#t~mem17.base| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base))), 10460#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:22,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:26:22,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:26:22,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:26:22,680 INFO L87 Difference]: Start difference. First operand 246 states and 262 transitions. Second operand 12 states. [2018-04-10 15:26:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:23,011 INFO L93 Difference]: Finished difference Result 260 states and 274 transitions. [2018-04-10 15:26:23,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:26:23,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2018-04-10 15:26:23,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:23,012 INFO L225 Difference]: With dead ends: 260 [2018-04-10 15:26:23,012 INFO L226 Difference]: Without dead ends: 260 [2018-04-10 15:26:23,012 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:26:23,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-10 15:26:23,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 251. [2018-04-10 15:26:23,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-04-10 15:26:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 267 transitions. [2018-04-10 15:26:23,016 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 267 transitions. Word has length 54 [2018-04-10 15:26:23,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:23,016 INFO L459 AbstractCegarLoop]: Abstraction has 251 states and 267 transitions. [2018-04-10 15:26:23,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:26:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 267 transitions. [2018-04-10 15:26:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-10 15:26:23,017 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:23,017 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-04-10 15:26:23,017 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash 960641837, now seen corresponding path program 1 times [2018-04-10 15:26:23,018 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:23,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,209 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:23,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:26:23,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,209 INFO L182 omatonBuilderFactory]: Interpolants [10988#true, 10989#false, 10990#(= 1 (select |#valid| main_~head~0.base)), 10991#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10992#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10993#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 10994#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 10995#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 10996#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 10997#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 10998#(= 0 |main_#t~mem15.offset|), 10999#(= 0 main_~x~0.offset), 11000#(= main_~head~0.offset 0)] [2018-04-10 15:26:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:26:23,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:26:23,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:26:23,210 INFO L87 Difference]: Start difference. First operand 251 states and 267 transitions. Second operand 13 states. [2018-04-10 15:26:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:23,571 INFO L93 Difference]: Finished difference Result 286 states and 297 transitions. [2018-04-10 15:26:23,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:26:23,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2018-04-10 15:26:23,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:23,572 INFO L225 Difference]: With dead ends: 286 [2018-04-10 15:26:23,572 INFO L226 Difference]: Without dead ends: 286 [2018-04-10 15:26:23,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:26:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-04-10 15:26:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 242. [2018-04-10 15:26:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-04-10 15:26:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 257 transitions. [2018-04-10 15:26:23,575 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 257 transitions. Word has length 54 [2018-04-10 15:26:23,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:23,576 INFO L459 AbstractCegarLoop]: Abstraction has 242 states and 257 transitions. [2018-04-10 15:26:23,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:26:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 257 transitions. [2018-04-10 15:26:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-10 15:26:23,576 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:23,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:23,577 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:23,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1725125489, now seen corresponding path program 1 times [2018-04-10 15:26:23,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:23,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,818 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:23,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-10 15:26:23,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,819 INFO L182 omatonBuilderFactory]: Interpolants [11555#true, 11556#false, 11557#(= |#valid| |old(#valid)|), 11558#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 11559#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 11560#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 11561#(and (= main_~x~0.offset main_~head~0.offset) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11562#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc5.base| 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 11563#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 11564#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 11565#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 11566#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 11567#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= (store (store |#valid| main_~x~0.base 0) |main_#t~mem17.base| 0) |old(#valid)|)), 11568#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-10 15:26:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:23,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:26:23,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:26:23,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:26:23,819 INFO L87 Difference]: Start difference. First operand 242 states and 257 transitions. Second operand 14 states. [2018-04-10 15:26:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:24,178 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions. [2018-04-10 15:26:24,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 15:26:24,178 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2018-04-10 15:26:24,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:24,179 INFO L225 Difference]: With dead ends: 258 [2018-04-10 15:26:24,179 INFO L226 Difference]: Without dead ends: 244 [2018-04-10 15:26:24,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:26:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-04-10 15:26:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 231. [2018-04-10 15:26:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-04-10 15:26:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 245 transitions. [2018-04-10 15:26:24,182 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 245 transitions. Word has length 57 [2018-04-10 15:26:24,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:24,183 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 245 transitions. [2018-04-10 15:26:24,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:26:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 245 transitions. [2018-04-10 15:26:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-10 15:26:24,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:24,184 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:24,184 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash -248481340, now seen corresponding path program 1 times [2018-04-10 15:26:24,185 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:24,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:24,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:26:24,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-10 15:26:24,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:24,485 INFO L182 omatonBuilderFactory]: Interpolants [12076#true, 12077#false, 12078#(= 0 |main_#t~malloc0.offset|), 12079#(= main_~head~0.offset 0), 12080#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 12081#(and (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 12082#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 12083#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 12084#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 12085#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 12086#(and (not (= |main_#t~mem7.base| main_~head~0.base)) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 12087#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 12088#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 12089#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))), 12090#(and (= |main_#t~mem14| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))] [2018-04-10 15:26:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:24,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:26:24,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:26:24,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:26:24,486 INFO L87 Difference]: Start difference. First operand 231 states and 245 transitions. Second operand 15 states. [2018-04-10 15:26:24,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:24,730 INFO L93 Difference]: Finished difference Result 236 states and 247 transitions. [2018-04-10 15:26:24,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:26:24,730 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2018-04-10 15:26:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:24,731 INFO L225 Difference]: With dead ends: 236 [2018-04-10 15:26:24,731 INFO L226 Difference]: Without dead ends: 207 [2018-04-10 15:26:24,731 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:26:24,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-10 15:26:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 197. [2018-04-10 15:26:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-10 15:26:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 210 transitions. [2018-04-10 15:26:24,733 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 210 transitions. Word has length 57 [2018-04-10 15:26:24,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:24,733 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 210 transitions. [2018-04-10 15:26:24,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:26:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 210 transitions. [2018-04-10 15:26:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:26:24,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:24,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:24,733 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:24,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1823346732, now seen corresponding path program 1 times [2018-04-10 15:26:24,734 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:24,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:25,094 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:25,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:26:25,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:25,095 INFO L182 omatonBuilderFactory]: Interpolants [12546#true, 12547#false, 12548#(= 1 (select |#valid| main_~head~0.base)), 12549#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 12550#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 12551#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 12552#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 12553#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 12554#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 12555#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 12556#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 12557#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem6.base| main_~head~0.base))), 12558#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 12559#(= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12560#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 12561#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 12562#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 12563#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 12564#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 12565#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 12566#(= 1 (select |#valid| |main_#t~mem12.base|)), 12567#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:25,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:25,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:25,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:25,096 INFO L87 Difference]: Start difference. First operand 197 states and 210 transitions. Second operand 22 states. [2018-04-10 15:26:25,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:25,918 INFO L93 Difference]: Finished difference Result 276 states and 291 transitions. [2018-04-10 15:26:25,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:26:25,918 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-04-10 15:26:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:25,919 INFO L225 Difference]: With dead ends: 276 [2018-04-10 15:26:25,919 INFO L226 Difference]: Without dead ends: 276 [2018-04-10 15:26:25,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=1741, Unknown=0, NotChecked=0, Total=2070 [2018-04-10 15:26:25,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-04-10 15:26:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 200. [2018-04-10 15:26:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-10 15:26:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 214 transitions. [2018-04-10 15:26:25,921 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 214 transitions. Word has length 60 [2018-04-10 15:26:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:25,921 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 214 transitions. [2018-04-10 15:26:25,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 214 transitions. [2018-04-10 15:26:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:26:25,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:25,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:25,922 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1823346733, now seen corresponding path program 1 times [2018-04-10 15:26:25,923 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:25,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:26,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:26,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:26:26,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:26,210 INFO L182 omatonBuilderFactory]: Interpolants [13092#true, 13093#false, 13094#(= 1 (select |#valid| main_~head~0.base)), 13095#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 13096#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 13097#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 13098#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 13099#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 13100#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 13101#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc5.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 13102#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 13103#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem6.base| main_~head~0.base))), 13104#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 13105#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 13106#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 13107#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 13108#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8)))), 13109#(or (not (= |main_#t~mem9| 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8)))), 13110#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 13111#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13112#(and (<= (+ |main_#t~mem12.offset| 12) (select |#length| |main_#t~mem12.base|)) (<= 0 (+ |main_#t~mem12.offset| 8))), 13113#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8)))] [2018-04-10 15:26:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:26,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:26,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:26,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:26,211 INFO L87 Difference]: Start difference. First operand 200 states and 214 transitions. Second operand 22 states. [2018-04-10 15:26:27,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:27,254 INFO L93 Difference]: Finished difference Result 305 states and 319 transitions. [2018-04-10 15:26:27,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:26:27,254 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-04-10 15:26:27,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:27,254 INFO L225 Difference]: With dead ends: 305 [2018-04-10 15:26:27,255 INFO L226 Difference]: Without dead ends: 305 [2018-04-10 15:26:27,255 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=300, Invalid=1956, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:26:27,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-04-10 15:26:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 197. [2018-04-10 15:26:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-10 15:26:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 210 transitions. [2018-04-10 15:26:27,257 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 210 transitions. Word has length 60 [2018-04-10 15:26:27,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:27,257 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 210 transitions. [2018-04-10 15:26:27,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 210 transitions. [2018-04-10 15:26:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:26:27,258 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:27,258 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2018-04-10 15:26:27,258 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:27,259 INFO L82 PathProgramCache]: Analyzing trace with hash -594351121, now seen corresponding path program 2 times [2018-04-10 15:26:27,259 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:27,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:27,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:27,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:26:27,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:27,511 INFO L182 omatonBuilderFactory]: Interpolants [13668#true, 13669#false, 13670#(= 1 (select |#valid| main_~head~0.base)), 13671#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 13672#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 13673#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 13674#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 13675#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13676#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 13677#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 13678#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13679#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem6.base| main_~head~0.base))), 13680#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 13681#(= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13682#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 13683#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 13684#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 13685#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 13686#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 13687#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13688#(= 1 (select |#valid| |main_#t~mem10.base|)), 13689#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:27,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:27,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:27,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:27,511 INFO L87 Difference]: Start difference. First operand 197 states and 210 transitions. Second operand 22 states. [2018-04-10 15:26:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:28,280 INFO L93 Difference]: Finished difference Result 273 states and 288 transitions. [2018-04-10 15:26:28,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:26:28,281 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-04-10 15:26:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:28,281 INFO L225 Difference]: With dead ends: 273 [2018-04-10 15:26:28,281 INFO L226 Difference]: Without dead ends: 273 [2018-04-10 15:26:28,282 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=1593, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:26:28,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-04-10 15:26:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 205. [2018-04-10 15:26:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-04-10 15:26:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 219 transitions. [2018-04-10 15:26:28,284 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 219 transitions. Word has length 60 [2018-04-10 15:26:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:28,284 INFO L459 AbstractCegarLoop]: Abstraction has 205 states and 219 transitions. [2018-04-10 15:26:28,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 219 transitions. [2018-04-10 15:26:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:26:28,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:28,285 INFO L355 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2018-04-10 15:26:28,285 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:28,285 INFO L82 PathProgramCache]: Analyzing trace with hash -594351120, now seen corresponding path program 2 times [2018-04-10 15:26:28,285 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:28,292 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:28,665 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:28,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:26:28,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:28,665 INFO L182 omatonBuilderFactory]: Interpolants [14212#true, 14213#false, 14214#(= 1 (select |#valid| main_~head~0.base)), 14215#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 14216#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 14217#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 14218#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 14219#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14220#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 14221#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc5.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 14222#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 14223#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem6.base| main_~head~0.base))), 14224#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 14225#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 14226#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 14227#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 14228#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8)))), 14229#(or (not (= |main_#t~mem9| 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8)))), 14230#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 14231#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 14232#(and (<= (+ |main_#t~mem10.offset| 12) (select |#length| |main_#t~mem10.base|)) (<= 0 (+ |main_#t~mem10.offset| 8))), 14233#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8)))] [2018-04-10 15:26:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:28,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:28,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:28,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:28,666 INFO L87 Difference]: Start difference. First operand 205 states and 219 transitions. Second operand 22 states. [2018-04-10 15:26:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:29,718 INFO L93 Difference]: Finished difference Result 307 states and 321 transitions. [2018-04-10 15:26:29,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:26:29,719 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-04-10 15:26:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:29,720 INFO L225 Difference]: With dead ends: 307 [2018-04-10 15:26:29,720 INFO L226 Difference]: Without dead ends: 307 [2018-04-10 15:26:29,720 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=300, Invalid=1956, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:26:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-04-10 15:26:29,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 205. [2018-04-10 15:26:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-04-10 15:26:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 218 transitions. [2018-04-10 15:26:29,722 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 218 transitions. Word has length 60 [2018-04-10 15:26:29,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:29,722 INFO L459 AbstractCegarLoop]: Abstraction has 205 states and 218 transitions. [2018-04-10 15:26:29,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 218 transitions. [2018-04-10 15:26:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-10 15:26:29,723 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:29,723 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:29,723 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:29,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1393747136, now seen corresponding path program 1 times [2018-04-10 15:26:29,724 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:29,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:29,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:29,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:26:29,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:29,936 INFO L182 omatonBuilderFactory]: Interpolants [14798#true, 14799#false, 14800#(= 1 (select |#valid| main_~head~0.base)), 14801#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14802#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 14803#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14804#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 14805#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14806#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14807#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14808#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14809#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14810#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14811#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 14812#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14813#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 14814#(= |main_#t~mem17.offset| 0)] [2018-04-10 15:26:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:29,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:26:29,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:26:29,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:26:29,937 INFO L87 Difference]: Start difference. First operand 205 states and 218 transitions. Second operand 17 states. [2018-04-10 15:26:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:30,351 INFO L93 Difference]: Finished difference Result 303 states and 316 transitions. [2018-04-10 15:26:30,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:26:30,352 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-04-10 15:26:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:30,352 INFO L225 Difference]: With dead ends: 303 [2018-04-10 15:26:30,352 INFO L226 Difference]: Without dead ends: 303 [2018-04-10 15:26:30,353 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:26:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-04-10 15:26:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 246. [2018-04-10 15:26:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-04-10 15:26:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 268 transitions. [2018-04-10 15:26:30,355 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 268 transitions. Word has length 63 [2018-04-10 15:26:30,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:30,355 INFO L459 AbstractCegarLoop]: Abstraction has 246 states and 268 transitions. [2018-04-10 15:26:30,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:26:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 268 transitions. [2018-04-10 15:26:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:26:30,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:30,355 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:30,356 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:30,356 INFO L82 PathProgramCache]: Analyzing trace with hash -965824490, now seen corresponding path program 1 times [2018-04-10 15:26:30,356 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:30,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:30,640 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:30,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:26:30,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:30,640 INFO L182 omatonBuilderFactory]: Interpolants [15392#true, 15393#false, 15394#(= 1 (select |#valid| main_~head~0.base)), 15395#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15396#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 15397#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15398#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 15399#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15400#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15401#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15402#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15403#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15404#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15405#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 15406#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 15407#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 15408#(and (not (= main_~head~0.base |main_#t~mem12.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem12.base|)), 15409#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 15410#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15411#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15412#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15413#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))), 15414#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 15415#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:30,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:26:30,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:26:30,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:26:30,641 INFO L87 Difference]: Start difference. First operand 246 states and 268 transitions. Second operand 24 states. [2018-04-10 15:26:31,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:31,275 INFO L93 Difference]: Finished difference Result 315 states and 329 transitions. [2018-04-10 15:26:31,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:26:31,275 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-04-10 15:26:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:31,275 INFO L225 Difference]: With dead ends: 315 [2018-04-10 15:26:31,276 INFO L226 Difference]: Without dead ends: 315 [2018-04-10 15:26:31,276 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1451, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:26:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-04-10 15:26:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 253. [2018-04-10 15:26:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-04-10 15:26:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 276 transitions. [2018-04-10 15:26:31,278 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 276 transitions. Word has length 64 [2018-04-10 15:26:31,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:31,278 INFO L459 AbstractCegarLoop]: Abstraction has 253 states and 276 transitions. [2018-04-10 15:26:31,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:26:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 276 transitions. [2018-04-10 15:26:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:26:31,279 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:31,279 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:31,279 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:31,279 INFO L82 PathProgramCache]: Analyzing trace with hash -965824489, now seen corresponding path program 1 times [2018-04-10 15:26:31,280 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:31,285 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:31,350 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:31,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-10 15:26:31,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:31,351 INFO L182 omatonBuilderFactory]: Interpolants [16022#true, 16023#false, 16024#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 16025#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem12.base|) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16026#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 16027#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8))), 16028#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 16029#(and (<= 0 (+ |main_#t~mem15.offset| 8)) (<= (+ |main_#t~mem15.offset| 12) (select |#length| |main_#t~mem15.base|))), 16030#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8)))] [2018-04-10 15:26:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:31,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:26:31,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:26:31,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:26:31,351 INFO L87 Difference]: Start difference. First operand 253 states and 276 transitions. Second operand 9 states. [2018-04-10 15:26:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:31,605 INFO L93 Difference]: Finished difference Result 310 states and 326 transitions. [2018-04-10 15:26:31,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:26:31,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2018-04-10 15:26:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:31,606 INFO L225 Difference]: With dead ends: 310 [2018-04-10 15:26:31,606 INFO L226 Difference]: Without dead ends: 310 [2018-04-10 15:26:31,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:26:31,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-04-10 15:26:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 267. [2018-04-10 15:26:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-04-10 15:26:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 291 transitions. [2018-04-10 15:26:31,608 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 291 transitions. Word has length 64 [2018-04-10 15:26:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:31,608 INFO L459 AbstractCegarLoop]: Abstraction has 267 states and 291 transitions. [2018-04-10 15:26:31,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:26:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 291 transitions. [2018-04-10 15:26:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:26:31,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:31,609 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-04-10 15:26:31,609 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:31,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1875985662, now seen corresponding path program 2 times [2018-04-10 15:26:31,609 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:31,617 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:31,953 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:31,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:26:31,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:31,954 INFO L182 omatonBuilderFactory]: Interpolants [16640#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 16641#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 16642#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 16643#(= 1 (select |#valid| |main_#t~mem12.base|)), 16644#(= 1 (select |#valid| main_~x~0.base)), 16622#true, 16623#false, 16624#(= 1 (select |#valid| main_~head~0.base)), 16625#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 16626#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 16627#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 16628#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 16629#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= (select |#valid| main_~head~0.base) 1)), 16630#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 16631#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 16632#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 16633#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 16634#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 16635#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 16636#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1)), 16637#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 16638#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 16639#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-04-10 15:26:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:31,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:26:31,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:26:31,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:26:31,955 INFO L87 Difference]: Start difference. First operand 267 states and 291 transitions. Second operand 23 states. [2018-04-10 15:26:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:32,714 INFO L93 Difference]: Finished difference Result 395 states and 424 transitions. [2018-04-10 15:26:32,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:26:32,714 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2018-04-10 15:26:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:32,716 INFO L225 Difference]: With dead ends: 395 [2018-04-10 15:26:32,716 INFO L226 Difference]: Without dead ends: 395 [2018-04-10 15:26:32,716 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1743, Unknown=0, NotChecked=0, Total=2162 [2018-04-10 15:26:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-04-10 15:26:32,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 304. [2018-04-10 15:26:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-10 15:26:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 331 transitions. [2018-04-10 15:26:32,720 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 331 transitions. Word has length 65 [2018-04-10 15:26:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:32,720 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 331 transitions. [2018-04-10 15:26:32,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:26:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 331 transitions. [2018-04-10 15:26:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:26:32,720 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:32,721 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-04-10 15:26:32,721 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:32,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1875985661, now seen corresponding path program 2 times [2018-04-10 15:26:32,721 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:32,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:33,253 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:33,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:26:33,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:33,254 INFO L182 omatonBuilderFactory]: Interpolants [17408#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17409#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17410#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17411#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17412#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17413#(and (= 12 (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 17414#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 17392#true, 17393#false, 17394#(= 1 (select |#valid| main_~head~0.base)), 17395#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17396#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 17397#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 17398#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17399#(and (= 12 (select |#length| |main_#t~mem4.base|)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17400#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17401#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 17402#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 17403#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 17404#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 17405#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 17406#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 17407#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:26:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:33,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:26:33,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:26:33,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:26:33,255 INFO L87 Difference]: Start difference. First operand 304 states and 331 transitions. Second operand 23 states. [2018-04-10 15:26:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:33,966 INFO L93 Difference]: Finished difference Result 416 states and 444 transitions. [2018-04-10 15:26:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:26:33,966 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2018-04-10 15:26:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:33,967 INFO L225 Difference]: With dead ends: 416 [2018-04-10 15:26:33,967 INFO L226 Difference]: Without dead ends: 416 [2018-04-10 15:26:33,968 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:26:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-04-10 15:26:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 304. [2018-04-10 15:26:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-10 15:26:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 330 transitions. [2018-04-10 15:26:33,972 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 330 transitions. Word has length 65 [2018-04-10 15:26:33,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:33,972 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 330 transitions. [2018-04-10 15:26:33,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:26:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 330 transitions. [2018-04-10 15:26:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:26:33,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:33,973 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2018-04-10 15:26:33,973 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:33,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1283781, now seen corresponding path program 3 times [2018-04-10 15:26:33,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:33,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:34,365 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:34,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:26:34,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:34,365 INFO L182 omatonBuilderFactory]: Interpolants [18176#false, 18177#(= 1 (select |#valid| main_~head~0.base)), 18178#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 18179#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 18180#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 18181#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 18182#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 18183#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 18184#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 18185#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 18186#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18187#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18188#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18189#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 18190#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 18191#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 18192#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18193#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 18194#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 18195#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 18196#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18197#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| 0))), 18198#(= 1 (select |#valid| |main_#t~mem10.base|)), 18199#(= 1 (select |#valid| main_~x~0.base)), 18175#true] [2018-04-10 15:26:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:34,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:26:34,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:26:34,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:26:34,366 INFO L87 Difference]: Start difference. First operand 304 states and 330 transitions. Second operand 25 states. [2018-04-10 15:26:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:35,213 INFO L93 Difference]: Finished difference Result 397 states and 426 transitions. [2018-04-10 15:26:35,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:26:35,213 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 65 [2018-04-10 15:26:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:35,214 INFO L225 Difference]: With dead ends: 397 [2018-04-10 15:26:35,214 INFO L226 Difference]: Without dead ends: 397 [2018-04-10 15:26:35,214 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=501, Invalid=2255, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:26:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-10 15:26:35,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 312. [2018-04-10 15:26:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-04-10 15:26:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 339 transitions. [2018-04-10 15:26:35,217 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 339 transitions. Word has length 65 [2018-04-10 15:26:35,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:35,217 INFO L459 AbstractCegarLoop]: Abstraction has 312 states and 339 transitions. [2018-04-10 15:26:35,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:26:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 339 transitions. [2018-04-10 15:26:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:26:35,218 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:35,218 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2018-04-10 15:26:35,218 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1283782, now seen corresponding path program 3 times [2018-04-10 15:26:35,218 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:35,226 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:35,670 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:35,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:26:35,670 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:35,671 INFO L182 omatonBuilderFactory]: Interpolants [18965#true, 18966#false, 18967#(= 1 (select |#valid| main_~head~0.base)), 18968#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 18969#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 18970#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 18971#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 18972#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18973#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18974#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18975#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 18976#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18977#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18978#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18979#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18980#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18981#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18982#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18983#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18984#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18985#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18986#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 18987#(or (not (= |main_#t~mem9| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 18988#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 18989#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:26:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:35,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:26:35,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:26:35,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:26:35,671 INFO L87 Difference]: Start difference. First operand 312 states and 339 transitions. Second operand 25 states. [2018-04-10 15:26:36,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:36,651 INFO L93 Difference]: Finished difference Result 431 states and 460 transitions. [2018-04-10 15:26:36,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:26:36,652 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 65 [2018-04-10 15:26:36,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:36,653 INFO L225 Difference]: With dead ends: 431 [2018-04-10 15:26:36,653 INFO L226 Difference]: Without dead ends: 431 [2018-04-10 15:26:36,653 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=368, Invalid=1888, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 15:26:36,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-04-10 15:26:36,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 318. [2018-04-10 15:26:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-04-10 15:26:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 345 transitions. [2018-04-10 15:26:36,656 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 345 transitions. Word has length 65 [2018-04-10 15:26:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:36,656 INFO L459 AbstractCegarLoop]: Abstraction has 318 states and 345 transitions. [2018-04-10 15:26:36,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:26:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 345 transitions. [2018-04-10 15:26:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:26:36,657 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:36,657 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:36,657 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:36,657 INFO L82 PathProgramCache]: Analyzing trace with hash -444393480, now seen corresponding path program 1 times [2018-04-10 15:26:36,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:36,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:36,976 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:36,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:26:36,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:36,976 INFO L182 omatonBuilderFactory]: Interpolants [19785#true, 19786#false, 19787#(= 1 (select |#valid| main_~head~0.base)), 19788#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 19789#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 19790#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 19791#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 19792#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19793#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19794#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19795#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19796#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19797#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19798#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 19799#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 19800#(and (= 0 |main_#t~mem12.offset|) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 19801#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)), 19802#(<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 19803#(<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 19804#(<= 0 |main_#t~mem15.offset|), 19805#(<= 0 main_~x~0.offset), 19806#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-04-10 15:26:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:36,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:36,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:36,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:36,977 INFO L87 Difference]: Start difference. First operand 318 states and 345 transitions. Second operand 22 states. [2018-04-10 15:26:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:37,627 INFO L93 Difference]: Finished difference Result 371 states and 388 transitions. [2018-04-10 15:26:37,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:26:37,627 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 66 [2018-04-10 15:26:37,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:37,628 INFO L225 Difference]: With dead ends: 371 [2018-04-10 15:26:37,628 INFO L226 Difference]: Without dead ends: 371 [2018-04-10 15:26:37,628 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=410, Invalid=1752, Unknown=0, NotChecked=0, Total=2162 [2018-04-10 15:26:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-10 15:26:37,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 325. [2018-04-10 15:26:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-04-10 15:26:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 353 transitions. [2018-04-10 15:26:37,631 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 353 transitions. Word has length 66 [2018-04-10 15:26:37,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:37,631 INFO L459 AbstractCegarLoop]: Abstraction has 325 states and 353 transitions. [2018-04-10 15:26:37,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 353 transitions. [2018-04-10 15:26:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:26:37,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:37,631 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:37,631 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:37,632 INFO L82 PathProgramCache]: Analyzing trace with hash -186611906, now seen corresponding path program 1 times [2018-04-10 15:26:37,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:37,639 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:37,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:37,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:26:37,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:37,907 INFO L182 omatonBuilderFactory]: Interpolants [20553#true, 20554#false, 20555#(= 1 (select |#valid| main_~head~0.base)), 20556#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 20557#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 20558#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 20559#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 20560#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 20561#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20562#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20563#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 20564#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20565#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20566#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20567#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 20568#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 20569#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 20570#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| 0))), 20571#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)), 20572#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 20573#(= 0 |main_#t~mem10.offset|), 20574#(= main_~x~0.offset 0), 20575#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:26:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:37,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:26:37,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:26:37,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:26:37,907 INFO L87 Difference]: Start difference. First operand 325 states and 353 transitions. Second operand 23 states. [2018-04-10 15:26:38,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:38,651 INFO L93 Difference]: Finished difference Result 381 states and 399 transitions. [2018-04-10 15:26:38,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:26:38,651 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-04-10 15:26:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:38,652 INFO L225 Difference]: With dead ends: 381 [2018-04-10 15:26:38,652 INFO L226 Difference]: Without dead ends: 381 [2018-04-10 15:26:38,652 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=1577, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:26:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-04-10 15:26:38,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 336. [2018-04-10 15:26:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-04-10 15:26:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 365 transitions. [2018-04-10 15:26:38,655 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 365 transitions. Word has length 66 [2018-04-10 15:26:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:38,655 INFO L459 AbstractCegarLoop]: Abstraction has 336 states and 365 transitions. [2018-04-10 15:26:38,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:26:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 365 transitions. [2018-04-10 15:26:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-10 15:26:38,655 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:38,656 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:38,656 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:38,656 INFO L82 PathProgramCache]: Analyzing trace with hash -291633487, now seen corresponding path program 1 times [2018-04-10 15:26:38,656 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:38,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:38,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:38,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:26:38,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:38,833 INFO L182 omatonBuilderFactory]: Interpolants [21344#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 21345#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 21346#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 21347#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 21348#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21349#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 21350#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 21351#(and (not (= |main_#t~mem17.base| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base))), 21352#(= 1 (select |#valid| main_~x~0.base)), 21333#true, 21334#false, 21335#(= 1 (select |#valid| main_~head~0.base)), 21336#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 21337#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 21338#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 21339#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 21340#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 21341#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 21342#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 21343#(and (not (= |main_#t~malloc5.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-10 15:26:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:38,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:26:38,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:26:38,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:26:38,834 INFO L87 Difference]: Start difference. First operand 336 states and 365 transitions. Second operand 20 states. [2018-04-10 15:26:39,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:39,239 INFO L93 Difference]: Finished difference Result 378 states and 396 transitions. [2018-04-10 15:26:39,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:26:39,239 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 68 [2018-04-10 15:26:39,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:39,240 INFO L225 Difference]: With dead ends: 378 [2018-04-10 15:26:39,240 INFO L226 Difference]: Without dead ends: 378 [2018-04-10 15:26:39,241 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=913, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:26:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-10 15:26:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 342. [2018-04-10 15:26:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-10 15:26:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 372 transitions. [2018-04-10 15:26:39,244 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 372 transitions. Word has length 68 [2018-04-10 15:26:39,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:39,244 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 372 transitions. [2018-04-10 15:26:39,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:26:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 372 transitions. [2018-04-10 15:26:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-10 15:26:39,244 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:39,244 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:39,244 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:39,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1860367337, now seen corresponding path program 1 times [2018-04-10 15:26:39,245 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:39,251 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:39,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:39,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:26:39,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:39,532 INFO L182 omatonBuilderFactory]: Interpolants [22112#(and (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22113#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22114#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22115#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22116#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 22117#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 22118#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 22119#(= 0 |main_#t~mem15.offset|), 22120#(= 0 main_~x~0.offset), 22121#(= main_~head~0.offset 0), 22103#true, 22104#false, 22105#(= 1 (select |#valid| main_~head~0.base)), 22106#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 22107#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 22108#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 22109#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.base main_~head~0.base)), 22110#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22111#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:26:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:39,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:26:39,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:26:39,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:26:39,533 INFO L87 Difference]: Start difference. First operand 342 states and 372 transitions. Second operand 19 states. [2018-04-10 15:26:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:40,021 INFO L93 Difference]: Finished difference Result 385 states and 402 transitions. [2018-04-10 15:26:40,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:26:40,021 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 68 [2018-04-10 15:26:40,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:40,022 INFO L225 Difference]: With dead ends: 385 [2018-04-10 15:26:40,022 INFO L226 Difference]: Without dead ends: 385 [2018-04-10 15:26:40,022 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1045, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:26:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-04-10 15:26:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 333. [2018-04-10 15:26:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-04-10 15:26:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 362 transitions. [2018-04-10 15:26:40,026 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 362 transitions. Word has length 68 [2018-04-10 15:26:40,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:40,026 INFO L459 AbstractCegarLoop]: Abstraction has 333 states and 362 transitions. [2018-04-10 15:26:40,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:26:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 362 transitions. [2018-04-10 15:26:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:26:40,027 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:40,027 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:40,027 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:40,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1667505236, now seen corresponding path program 2 times [2018-04-10 15:26:40,028 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:40,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:40,631 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:40,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:26:40,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:40,665 INFO L182 omatonBuilderFactory]: Interpolants [22874#true, 22875#false, 22876#(= 0 |main_#t~malloc0.offset|), 22877#(= main_~head~0.offset 0), 22878#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 22879#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 22880#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 22881#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 22882#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 22883#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22884#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22885#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22886#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset)))), 22887#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 22888#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0)), 22889#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22890#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22891#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22892#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22893#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 22894#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 22895#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= |main_#t~mem8| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 22896#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 22897#(or (not (= |main_#t~mem9| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= |main_#t~mem9| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))))), 22898#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 22899#(and (not (= 0 (select (select |#memory_int| |main_#t~mem10.base|) (+ 0 8)))) (= 0 |main_#t~mem10.offset|)), 22900#(not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))), 22901#(not (= 0 |main_#t~mem9|))] [2018-04-10 15:26:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:40,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:26:40,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:26:40,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:26:40,665 INFO L87 Difference]: Start difference. First operand 333 states and 362 transitions. Second operand 28 states. [2018-04-10 15:26:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:41,681 INFO L93 Difference]: Finished difference Result 340 states and 355 transitions. [2018-04-10 15:26:41,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:26:41,681 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-04-10 15:26:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:41,682 INFO L225 Difference]: With dead ends: 340 [2018-04-10 15:26:41,682 INFO L226 Difference]: Without dead ends: 337 [2018-04-10 15:26:41,682 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=477, Invalid=2279, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:26:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-10 15:26:41,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 297. [2018-04-10 15:26:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:26:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 317 transitions. [2018-04-10 15:26:41,685 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 317 transitions. Word has length 69 [2018-04-10 15:26:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:41,685 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 317 transitions. [2018-04-10 15:26:41,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:26:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 317 transitions. [2018-04-10 15:26:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:26:41,685 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:41,685 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:41,685 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:41,685 INFO L82 PathProgramCache]: Analyzing trace with hash 665903687, now seen corresponding path program 1 times [2018-04-10 15:26:41,686 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:41,694 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:42,024 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:42,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:26:42,024 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:42,025 INFO L182 omatonBuilderFactory]: Interpolants [23589#true, 23590#false, 23591#(= 0 |main_#t~malloc0.offset|), 23592#(= main_~head~0.offset 0), 23593#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 23594#(and (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23595#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 23596#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 23597#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 23598#(and (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23599#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23600#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23601#(and (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23602#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23603#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23604#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23605#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23606#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23607#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 23608#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 23609#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 23610#(and (= main_~x~0.offset 0) (= 0 |main_#t~mem8|) (= main_~head~0.offset 0))] [2018-04-10 15:26:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:42,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:26:42,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:26:42,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:26:42,025 INFO L87 Difference]: Start difference. First operand 297 states and 317 transitions. Second operand 22 states. [2018-04-10 15:26:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:42,541 INFO L93 Difference]: Finished difference Result 298 states and 311 transitions. [2018-04-10 15:26:42,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:26:42,541 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 71 [2018-04-10 15:26:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:42,542 INFO L225 Difference]: With dead ends: 298 [2018-04-10 15:26:42,542 INFO L226 Difference]: Without dead ends: 298 [2018-04-10 15:26:42,543 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=342, Invalid=1140, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:26:42,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-10 15:26:42,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 271. [2018-04-10 15:26:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-04-10 15:26:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 289 transitions. [2018-04-10 15:26:42,544 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 289 transitions. Word has length 71 [2018-04-10 15:26:42,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:42,545 INFO L459 AbstractCegarLoop]: Abstraction has 271 states and 289 transitions. [2018-04-10 15:26:42,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:26:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 289 transitions. [2018-04-10 15:26:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:26:42,545 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:42,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:42,545 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash 109994318, now seen corresponding path program 1 times [2018-04-10 15:26:42,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:42,552 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:42,588 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:42,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-10 15:26:42,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:42,589 INFO L182 omatonBuilderFactory]: Interpolants [24214#true, 24215#false, 24216#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24217#(= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 24218#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 24219#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 24220#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24221#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 24222#(= 1 (select |#valid| |main_#t~mem17.base|))] [2018-04-10 15:26:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:42,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:26:42,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:26:42,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:26:42,589 INFO L87 Difference]: Start difference. First operand 271 states and 289 transitions. Second operand 9 states. [2018-04-10 15:26:42,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:42,740 INFO L93 Difference]: Finished difference Result 323 states and 338 transitions. [2018-04-10 15:26:42,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:26:42,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2018-04-10 15:26:42,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:42,741 INFO L225 Difference]: With dead ends: 323 [2018-04-10 15:26:42,741 INFO L226 Difference]: Without dead ends: 323 [2018-04-10 15:26:42,741 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:26:42,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-04-10 15:26:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2018-04-10 15:26:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-10 15:26:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 290 transitions. [2018-04-10 15:26:42,743 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 290 transitions. Word has length 73 [2018-04-10 15:26:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:42,743 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 290 transitions. [2018-04-10 15:26:42,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:26:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 290 transitions. [2018-04-10 15:26:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:26:42,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:42,744 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:42,744 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:42,744 INFO L82 PathProgramCache]: Analyzing trace with hash -599342185, now seen corresponding path program 1 times [2018-04-10 15:26:42,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:42,750 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:42,832 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:42,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:26:42,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:42,832 INFO L182 omatonBuilderFactory]: Interpolants [24832#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 12) (select |#length| |main_#t~mem15.base|))), 24833#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 24824#true, 24825#false, 24826#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24827#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.offset|)), 24828#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24829#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base))), 24830#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24831#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-04-10 15:26:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:26:42,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:26:42,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:26:42,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:26:42,833 INFO L87 Difference]: Start difference. First operand 272 states and 290 transitions. Second operand 10 states. [2018-04-10 15:26:43,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:43,098 INFO L93 Difference]: Finished difference Result 356 states and 369 transitions. [2018-04-10 15:26:43,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:26:43,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2018-04-10 15:26:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:43,099 INFO L225 Difference]: With dead ends: 356 [2018-04-10 15:26:43,099 INFO L226 Difference]: Without dead ends: 356 [2018-04-10 15:26:43,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:26:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-04-10 15:26:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 286. [2018-04-10 15:26:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-04-10 15:26:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 305 transitions. [2018-04-10 15:26:43,102 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 305 transitions. Word has length 73 [2018-04-10 15:26:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:43,103 INFO L459 AbstractCegarLoop]: Abstraction has 286 states and 305 transitions. [2018-04-10 15:26:43,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:26:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 305 transitions. [2018-04-10 15:26:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:26:43,103 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:43,104 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:43,104 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:43,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1671367062, now seen corresponding path program 3 times [2018-04-10 15:26:43,104 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:43,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:43,487 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:43,487 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:26:43,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:43,487 INFO L182 omatonBuilderFactory]: Interpolants [25488#true, 25489#false, 25490#(= 1 (select |#valid| main_~head~0.base)), 25491#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25492#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 25493#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 25494#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 25495#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 25496#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25497#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25498#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 25499#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25500#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25501#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 25502#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25503#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25504#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25505#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25506#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 25507#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 25508#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 25509#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 25510#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 25511#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 25512#(= 1 (select |#valid| |main_#t~mem12.base|)), 25513#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:43,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:26:43,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:26:43,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:26:43,488 INFO L87 Difference]: Start difference. First operand 286 states and 305 transitions. Second operand 26 states. [2018-04-10 15:26:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:44,595 INFO L93 Difference]: Finished difference Result 357 states and 378 transitions. [2018-04-10 15:26:44,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:26:44,595 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-04-10 15:26:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:44,596 INFO L225 Difference]: With dead ends: 357 [2018-04-10 15:26:44,596 INFO L226 Difference]: Without dead ends: 357 [2018-04-10 15:26:44,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=388, Invalid=2474, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 15:26:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-04-10 15:26:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 289. [2018-04-10 15:26:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-04-10 15:26:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 309 transitions. [2018-04-10 15:26:44,599 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 309 transitions. Word has length 74 [2018-04-10 15:26:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:44,599 INFO L459 AbstractCegarLoop]: Abstraction has 289 states and 309 transitions. [2018-04-10 15:26:44,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:26:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 309 transitions. [2018-04-10 15:26:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:26:44,599 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:44,599 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:44,599 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:44,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1671367063, now seen corresponding path program 2 times [2018-04-10 15:26:44,600 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:44,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:45,182 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:45,182 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:26:45,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:45,183 INFO L182 omatonBuilderFactory]: Interpolants [26240#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 26241#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 26242#(and (= 12 (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 26243#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 26216#true, 26217#false, 26218#(= 1 (select |#valid| main_~head~0.base)), 26219#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 26220#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 26221#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 26222#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 26223#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26224#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26225#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26226#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 26227#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26228#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26229#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 26230#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26231#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26232#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26233#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26234#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26235#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26236#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 26237#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 26238#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 26239#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0)))] [2018-04-10 15:26:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:45,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:26:45,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:26:45,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:26:45,184 INFO L87 Difference]: Start difference. First operand 289 states and 309 transitions. Second operand 28 states. [2018-04-10 15:26:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:46,393 INFO L93 Difference]: Finished difference Result 399 states and 421 transitions. [2018-04-10 15:26:46,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:26:46,394 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 74 [2018-04-10 15:26:46,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:46,394 INFO L225 Difference]: With dead ends: 399 [2018-04-10 15:26:46,394 INFO L226 Difference]: Without dead ends: 399 [2018-04-10 15:26:46,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=282, Invalid=2070, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 15:26:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-10 15:26:46,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 289. [2018-04-10 15:26:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-04-10 15:26:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 308 transitions. [2018-04-10 15:26:46,397 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 308 transitions. Word has length 74 [2018-04-10 15:26:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:46,397 INFO L459 AbstractCegarLoop]: Abstraction has 289 states and 308 transitions. [2018-04-10 15:26:46,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:26:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 308 transitions. [2018-04-10 15:26:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:26:46,398 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:46,398 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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] [2018-04-10 15:26:46,398 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:46,398 INFO L82 PathProgramCache]: Analyzing trace with hash -746330791, now seen corresponding path program 4 times [2018-04-10 15:26:46,398 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:46,406 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:46,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:46,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:26:46,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:46,784 INFO L182 omatonBuilderFactory]: Interpolants [26974#true, 26975#false, 26976#(= 1 (select |#valid| main_~head~0.base)), 26977#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 26978#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 26979#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 26980#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 26981#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26982#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26983#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26984#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 26985#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 26986#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 26987#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 26988#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26989#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26990#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26991#(and (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26992#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26993#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26994#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 26995#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 26996#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 26997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 26998#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 26999#(= 1 (select |#valid| |main_#t~mem10.base|)), 27000#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:46,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:26:46,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:26:46,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:26:46,785 INFO L87 Difference]: Start difference. First operand 289 states and 308 transitions. Second operand 27 states. [2018-04-10 15:26:47,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:47,888 INFO L93 Difference]: Finished difference Result 359 states and 380 transitions. [2018-04-10 15:26:47,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:26:47,888 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 74 [2018-04-10 15:26:47,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:47,889 INFO L225 Difference]: With dead ends: 359 [2018-04-10 15:26:47,889 INFO L226 Difference]: Without dead ends: 359 [2018-04-10 15:26:47,889 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=383, Invalid=2479, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 15:26:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-10 15:26:47,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 297. [2018-04-10 15:26:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:26:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 317 transitions. [2018-04-10 15:26:47,892 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 317 transitions. Word has length 74 [2018-04-10 15:26:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:47,892 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 317 transitions. [2018-04-10 15:26:47,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:26:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 317 transitions. [2018-04-10 15:26:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 15:26:47,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:47,892 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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] [2018-04-10 15:26:47,892 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:47,892 INFO L82 PathProgramCache]: Analyzing trace with hash -746330790, now seen corresponding path program 4 times [2018-04-10 15:26:47,893 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:47,900 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:48,414 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:48,414 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:26:48,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:48,414 INFO L182 omatonBuilderFactory]: Interpolants [27712#false, 27713#(= 1 (select |#valid| main_~head~0.base)), 27714#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27715#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 27716#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 27717#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 27718#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27719#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 27720#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 27721#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 27722#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27723#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27724#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 27725#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27726#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27727#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27728#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27729#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27730#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27731#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 27732#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 27733#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 27734#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 27735#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 27736#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 27737#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 27738#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 27711#true] [2018-04-10 15:26:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:48,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:26:48,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:26:48,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:26:48,415 INFO L87 Difference]: Start difference. First operand 297 states and 317 transitions. Second operand 28 states. [2018-04-10 15:26:49,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:49,642 INFO L93 Difference]: Finished difference Result 411 states and 434 transitions. [2018-04-10 15:26:49,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:26:49,642 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 74 [2018-04-10 15:26:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:49,643 INFO L225 Difference]: With dead ends: 411 [2018-04-10 15:26:49,643 INFO L226 Difference]: Without dead ends: 411 [2018-04-10 15:26:49,643 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=282, Invalid=2070, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 15:26:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-04-10 15:26:49,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 303. [2018-04-10 15:26:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-04-10 15:26:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 323 transitions. [2018-04-10 15:26:49,645 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 323 transitions. Word has length 74 [2018-04-10 15:26:49,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:49,646 INFO L459 AbstractCegarLoop]: Abstraction has 303 states and 323 transitions. [2018-04-10 15:26:49,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:26:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 323 transitions. [2018-04-10 15:26:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:26:49,646 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:49,646 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:49,646 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:49,647 INFO L82 PathProgramCache]: Analyzing trace with hash -2124566122, now seen corresponding path program 2 times [2018-04-10 15:26:49,647 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:49,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:26:49,867 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:49,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:26:49,867 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:49,868 INFO L182 omatonBuilderFactory]: Interpolants [28512#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 28513#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 28514#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 28515#(= |main_#t~mem17.offset| 0), 28495#true, 28496#false, 28497#(= 1 (select |#valid| main_~head~0.base)), 28498#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 28499#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 28500#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 28501#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 28502#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28503#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28504#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 28505#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 28506#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28507#(and (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28508#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28509#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28510#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28511#(and (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:26:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:26:49,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:26:49,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:26:49,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:26:49,868 INFO L87 Difference]: Start difference. First operand 303 states and 323 transitions. Second operand 21 states. [2018-04-10 15:26:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:50,336 INFO L93 Difference]: Finished difference Result 340 states and 357 transitions. [2018-04-10 15:26:50,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:26:50,337 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 77 [2018-04-10 15:26:50,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:50,337 INFO L225 Difference]: With dead ends: 340 [2018-04-10 15:26:50,337 INFO L226 Difference]: Without dead ends: 340 [2018-04-10 15:26:50,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:26:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-10 15:26:50,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 303. [2018-04-10 15:26:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-04-10 15:26:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 322 transitions. [2018-04-10 15:26:50,340 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 322 transitions. Word has length 77 [2018-04-10 15:26:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:50,340 INFO L459 AbstractCegarLoop]: Abstraction has 303 states and 322 transitions. [2018-04-10 15:26:50,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:26:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 322 transitions. [2018-04-10 15:26:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-10 15:26:50,340 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:50,341 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:50,341 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:50,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2146376576, now seen corresponding path program 2 times [2018-04-10 15:26:50,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:50,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:26:50,678 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:50,678 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:26:50,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:50,678 INFO L182 omatonBuilderFactory]: Interpolants [29193#true, 29194#false, 29195#(= 1 (select |#valid| main_~head~0.base)), 29196#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29197#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 29198#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29199#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 29200#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29201#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29202#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29203#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29204#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 29205#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29206#(and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29207#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29208#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29209#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29210#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 29211#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 29212#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 29213#(and (not (= main_~head~0.base |main_#t~mem12.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem12.base|)), 29214#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base))), 29215#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29216#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29217#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29218#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))), 29219#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 29220#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:26:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:26:50,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:26:50,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:26:50,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:26:50,679 INFO L87 Difference]: Start difference. First operand 303 states and 322 transitions. Second operand 28 states. [2018-04-10 15:26:51,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:51,376 INFO L93 Difference]: Finished difference Result 340 states and 354 transitions. [2018-04-10 15:26:51,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:26:51,377 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 78 [2018-04-10 15:26:51,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:51,377 INFO L225 Difference]: With dead ends: 340 [2018-04-10 15:26:51,377 INFO L226 Difference]: Without dead ends: 340 [2018-04-10 15:26:51,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=456, Invalid=1994, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:26:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-10 15:26:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 303. [2018-04-10 15:26:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-04-10 15:26:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 319 transitions. [2018-04-10 15:26:51,380 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 319 transitions. Word has length 78 [2018-04-10 15:26:51,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:51,380 INFO L459 AbstractCegarLoop]: Abstraction has 303 states and 319 transitions. [2018-04-10 15:26:51,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:26:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 319 transitions. [2018-04-10 15:26:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:26:51,380 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:51,380 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:26:51,381 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:51,381 INFO L82 PathProgramCache]: Analyzing trace with hash 181605337, now seen corresponding path program 3 times [2018-04-10 15:26:51,381 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:51,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:52,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:52,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-10 15:26:52,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:52,438 INFO L182 omatonBuilderFactory]: Interpolants [29908#true, 29909#false, 29910#(= |main_#t~malloc0.offset| 0), 29911#(= main_~head~0.offset 0), 29912#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 29913#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 29914#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~malloc2.base|))), 29915#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 29916#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 29917#(and (= 12 (select |#length| |main_#t~mem4.base|)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 29918#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 29919#(and (or (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (< 11 (select |#length| main_~x~0.base))) (or (<= (select |#length| main_~x~0.base) 11) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)))), 29920#(or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|)))), 29921#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 29922#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 29923#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 29924#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 29925#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 29926#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 29927#(and (or (and (= |main_#t~malloc2.offset| main_~head~0.offset) (= main_~head~0.base |main_#t~malloc2.base|)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~x~0.base |main_#t~malloc2.base|))), 29928#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 29929#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~x~0.base |main_#t~mem3.base|))), 29930#(or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 29931#(or (and (= main_~head~0.offset |main_#t~mem4.offset|) (= |main_#t~mem4.base| main_~head~0.base)) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset |main_#t~mem4.offset|) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 29932#(or (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 29933#(and (or (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= (select |#valid| main_~x~0.base) 1)), 29934#(and (= 0 |main_#t~malloc5.offset|) (or (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.offset|)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (<= 12 (select |#length| |main_#t~malloc5.base|)))) (not (= main_~x~0.base |main_#t~malloc5.base|))), 29935#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 29936#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 29937#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 29938#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.offset| 0) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29939#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29940#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29941#(and (<= (+ |main_#t~mem12.offset| 12) (select |#length| |main_#t~mem12.base|)) (<= 0 |main_#t~mem12.offset|)), 29942#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-04-10 15:26:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:52,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-10 15:26:52,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-10 15:26:52,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1050, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:26:52,438 INFO L87 Difference]: Start difference. First operand 303 states and 319 transitions. Second operand 35 states. [2018-04-10 15:26:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:55,301 INFO L93 Difference]: Finished difference Result 457 states and 477 transitions. [2018-04-10 15:26:55,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:26:55,301 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 79 [2018-04-10 15:26:55,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:55,302 INFO L225 Difference]: With dead ends: 457 [2018-04-10 15:26:55,302 INFO L226 Difference]: Without dead ends: 457 [2018-04-10 15:26:55,303 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1827 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1262, Invalid=5878, Unknown=0, NotChecked=0, Total=7140 [2018-04-10 15:26:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-10 15:26:55,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 332. [2018-04-10 15:26:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-04-10 15:26:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 350 transitions. [2018-04-10 15:26:55,305 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 350 transitions. Word has length 79 [2018-04-10 15:26:55,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:55,305 INFO L459 AbstractCegarLoop]: Abstraction has 332 states and 350 transitions. [2018-04-10 15:26:55,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-10 15:26:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 350 transitions. [2018-04-10 15:26:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:26:55,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:55,306 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:26:55,306 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash 2058874779, now seen corresponding path program 5 times [2018-04-10 15:26:55,307 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:55,325 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:55,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:55,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-10 15:26:55,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:55,931 INFO L182 omatonBuilderFactory]: Interpolants [30848#(and (= 0 main_~head~0.offset) (not (= |main_#t~mem4.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 30849#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 30850#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 30851#(and (or (and (= |main_#t~malloc2.base| main_~head~0.base) (= |main_#t~malloc2.offset| main_~head~0.offset)) (and (= 1 (select |#valid| main_~head~0.base)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset) (not (= main_~x~0.base main_~head~0.base)))) (not (= |main_#t~malloc2.base| main_~x~0.base))), 30852#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 30853#(and (not (= main_~x~0.base |main_#t~mem3.base|)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))))), 30854#(or (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 30855#(or (and (= |main_#t~mem4.offset| main_~head~0.offset) (= |main_#t~mem4.base| main_~head~0.base)) (and (or (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)))), 30856#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 30857#(or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 30858#(or (and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)) (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)))), 30859#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30860#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 30861#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 30862#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 30863#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30864#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| 0))), 30865#(= 1 (select |#valid| |main_#t~mem10.base|)), 30866#(= 1 (select |#valid| main_~x~0.base)), 30832#true, 30833#false, 30834#(= 0 |main_#t~malloc0.offset|), 30835#(= 0 main_~head~0.offset), 30836#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 30837#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 30838#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 30839#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 30840#(and (= 0 main_~head~0.offset) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 30841#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 30842#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30843#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30844#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 30845#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 30846#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 30847#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))] [2018-04-10 15:26:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:55,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-10 15:26:55,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-10 15:26:55,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:26:55,931 INFO L87 Difference]: Start difference. First operand 332 states and 350 transitions. Second operand 35 states. [2018-04-10 15:26:57,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:26:57,747 INFO L93 Difference]: Finished difference Result 416 states and 436 transitions. [2018-04-10 15:26:57,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-10 15:26:57,747 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 79 [2018-04-10 15:26:57,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:26:57,748 INFO L225 Difference]: With dead ends: 416 [2018-04-10 15:26:57,748 INFO L226 Difference]: Without dead ends: 416 [2018-04-10 15:26:57,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1253, Invalid=5227, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 15:26:57,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-04-10 15:26:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 340. [2018-04-10 15:26:57,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-10 15:26:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 359 transitions. [2018-04-10 15:26:57,751 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 359 transitions. Word has length 79 [2018-04-10 15:26:57,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:26:57,751 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 359 transitions. [2018-04-10 15:26:57,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-10 15:26:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 359 transitions. [2018-04-10 15:26:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:26:57,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:26:57,752 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:26:57,752 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:26:57,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2058874780, now seen corresponding path program 5 times [2018-04-10 15:26:57,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:26:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:26:57,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:26:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:58,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:26:58,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:26:58,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:26:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:58,738 INFO L182 omatonBuilderFactory]: Interpolants [31744#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 31745#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8))), 31746#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 31747#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 31748#(or (not (= |main_#t~mem9| 0)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 31749#(and (<= (+ |main_#t~mem10.offset| 12) (select |#length| |main_#t~mem10.base|)) (<= 0 (+ |main_#t~mem10.offset| 8))), 31750#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 31715#true, 31716#false, 31717#(= |main_#t~malloc0.offset| 0), 31718#(= main_~head~0.offset 0), 31719#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 31720#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31721#(and (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 31722#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 31723#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 31724#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31725#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31726#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31727#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31728#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 31729#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 31730#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 31731#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31732#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31733#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 31734#(and (or (and (= |main_#t~malloc2.offset| main_~head~0.offset) (= main_~head~0.base |main_#t~malloc2.base|)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~malloc2.base|))), 31735#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 31736#(and (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base |main_#t~mem3.base|))), 31737#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 31738#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset |main_#t~mem4.offset|) (= |main_#t~mem4.base| main_~head~0.base))), 31739#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 31740#(or (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 31741#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 31742#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 31743#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))] [2018-04-10 15:26:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:26:58,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:26:58,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:26:58,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1064, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:26:58,739 INFO L87 Difference]: Start difference. First operand 340 states and 359 transitions. Second operand 36 states. [2018-04-10 15:27:02,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:02,318 INFO L93 Difference]: Finished difference Result 551 states and 574 transitions. [2018-04-10 15:27:02,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-10 15:27:02,318 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-04-10 15:27:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:02,319 INFO L225 Difference]: With dead ends: 551 [2018-04-10 15:27:02,319 INFO L226 Difference]: Without dead ends: 551 [2018-04-10 15:27:02,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3224 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1961, Invalid=8341, Unknown=0, NotChecked=0, Total=10302 [2018-04-10 15:27:02,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-04-10 15:27:02,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 340. [2018-04-10 15:27:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-10 15:27:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 358 transitions. [2018-04-10 15:27:02,322 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 358 transitions. Word has length 79 [2018-04-10 15:27:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:02,322 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 358 transitions. [2018-04-10 15:27:02,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:27:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 358 transitions. [2018-04-10 15:27:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-10 15:27:02,323 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:02,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:02,323 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:02,323 INFO L82 PathProgramCache]: Analyzing trace with hash -171712825, now seen corresponding path program 1 times [2018-04-10 15:27:02,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:02,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:02,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:02,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:27:02,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:02,848 INFO L182 omatonBuilderFactory]: Interpolants [32774#true, 32775#false, 32776#(= 0 |main_#t~malloc0.offset|), 32777#(= main_~head~0.offset 0), 32778#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32779#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32780#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32781#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 32782#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 32783#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32784#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= main_~head~0.offset 0)), 32785#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32786#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 32787#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= main_~head~0.offset 0)), 32788#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 32789#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 32790#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 32791#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 32792#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= main_~head~0.offset 0)), 32793#(and (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32794#(and (= |main_#t~mem8| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32795#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))), 32796#(or (not (= |main_#t~mem9| 0)) (and (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8)) 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))), 32797#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8)) 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 32798#(and (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 1)) (= main_~head~0.offset 0)), 32799#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 1)), 32800#(and (= |main_#t~mem14| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 1)))] [2018-04-10 15:27:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:02,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:27:02,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:27:02,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:27:02,848 INFO L87 Difference]: Start difference. First operand 340 states and 358 transitions. Second operand 27 states. [2018-04-10 15:27:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:03,576 INFO L93 Difference]: Finished difference Result 345 states and 359 transitions. [2018-04-10 15:27:03,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:27:03,576 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 80 [2018-04-10 15:27:03,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:03,577 INFO L225 Difference]: With dead ends: 345 [2018-04-10 15:27:03,577 INFO L226 Difference]: Without dead ends: 345 [2018-04-10 15:27:03,577 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=545, Invalid=1905, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:27:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-10 15:27:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 329. [2018-04-10 15:27:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-04-10 15:27:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 345 transitions. [2018-04-10 15:27:03,580 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 345 transitions. Word has length 80 [2018-04-10 15:27:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:03,580 INFO L459 AbstractCegarLoop]: Abstraction has 329 states and 345 transitions. [2018-04-10 15:27:03,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:27:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 345 transitions. [2018-04-10 15:27:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-10 15:27:03,580 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:03,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:03,580 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:03,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2145319654, now seen corresponding path program 1 times [2018-04-10 15:27:03,581 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:03,587 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:03,810 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:03,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:27:03,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:03,810 INFO L182 omatonBuilderFactory]: Interpolants [33536#(and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))), 33537#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 33538#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 33539#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 33540#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 33541#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 33542#(= |main_#t~mem17.offset| 0), 33521#true, 33522#false, 33523#(= 1 (select |#valid| main_~head~0.base)), 33524#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 33525#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 33526#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 33527#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 33528#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33529#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33530#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33531#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 33532#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33533#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33534#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33535#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:27:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:03,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:27:03,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:27:03,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:27:03,811 INFO L87 Difference]: Start difference. First operand 329 states and 345 transitions. Second operand 22 states. [2018-04-10 15:27:04,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:04,496 INFO L93 Difference]: Finished difference Result 345 states and 358 transitions. [2018-04-10 15:27:04,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:27:04,496 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 80 [2018-04-10 15:27:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:04,496 INFO L225 Difference]: With dead ends: 345 [2018-04-10 15:27:04,496 INFO L226 Difference]: Without dead ends: 345 [2018-04-10 15:27:04,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=208, Invalid=1274, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:27:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-04-10 15:27:04,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 329. [2018-04-10 15:27:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-04-10 15:27:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 344 transitions. [2018-04-10 15:27:04,499 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 344 transitions. Word has length 80 [2018-04-10 15:27:04,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:04,499 INFO L459 AbstractCegarLoop]: Abstraction has 329 states and 344 transitions. [2018-04-10 15:27:04,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:27:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 344 transitions. [2018-04-10 15:27:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-10 15:27:04,499 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:04,499 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:04,499 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:04,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1083581982, now seen corresponding path program 2 times [2018-04-10 15:27:04,500 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:04,507 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:04,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:04,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:27:04,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:04,728 INFO L182 omatonBuilderFactory]: Interpolants [34272#(= main_~x~0.offset 0), 34273#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 34251#true, 34252#false, 34253#(= 1 (select |#valid| main_~head~0.base)), 34254#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 34255#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 34256#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 34257#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 34258#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34259#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34260#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 34261#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 34262#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34263#(and (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34264#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34265#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34266#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34267#(and (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 34268#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 34269#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 34270#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 34271#(= 0 |main_#t~mem15.offset|)] [2018-04-10 15:27:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:04,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:27:04,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:27:04,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:27:04,729 INFO L87 Difference]: Start difference. First operand 329 states and 344 transitions. Second operand 23 states. [2018-04-10 15:27:05,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:05,259 INFO L93 Difference]: Finished difference Result 365 states and 379 transitions. [2018-04-10 15:27:05,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:27:05,259 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 80 [2018-04-10 15:27:05,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:05,260 INFO L225 Difference]: With dead ends: 365 [2018-04-10 15:27:05,260 INFO L226 Difference]: Without dead ends: 365 [2018-04-10 15:27:05,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=291, Invalid=1431, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 15:27:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-04-10 15:27:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 323. [2018-04-10 15:27:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-04-10 15:27:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 339 transitions. [2018-04-10 15:27:05,262 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 339 transitions. Word has length 80 [2018-04-10 15:27:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:05,263 INFO L459 AbstractCegarLoop]: Abstraction has 323 states and 339 transitions. [2018-04-10 15:27:05,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:27:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 339 transitions. [2018-04-10 15:27:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 15:27:05,263 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:05,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:05,263 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:05,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2080399564, now seen corresponding path program 1 times [2018-04-10 15:27:05,264 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:05,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:05,699 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:05,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:27:05,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:05,699 INFO L182 omatonBuilderFactory]: Interpolants [35008#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35009#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35010#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 35011#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35012#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base))), 35013#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 35014#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35015#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35016#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 35017#(or (not (= |main_#t~mem9| 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 35018#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35019#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35020#(and (not (= main_~head~0.base |main_#t~mem12.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem12.base|)), 35021#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35022#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35023#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35024#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35025#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 35026#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35027#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 35028#(= 1 (select |#valid| |main_#t~mem17.base|)), 35000#true, 35001#false, 35002#(= 1 (select |#valid| main_~head~0.base)), 35003#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 35004#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 35005#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 35006#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 35007#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|))] [2018-04-10 15:27:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:05,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:27:05,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:27:05,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:27:05,700 INFO L87 Difference]: Start difference. First operand 323 states and 339 transitions. Second operand 29 states. [2018-04-10 15:27:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:06,632 INFO L93 Difference]: Finished difference Result 340 states and 355 transitions. [2018-04-10 15:27:06,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:27:06,632 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2018-04-10 15:27:06,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:06,632 INFO L225 Difference]: With dead ends: 340 [2018-04-10 15:27:06,632 INFO L226 Difference]: Without dead ends: 340 [2018-04-10 15:27:06,633 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=292, Invalid=2258, Unknown=0, NotChecked=0, Total=2550 [2018-04-10 15:27:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-10 15:27:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 317. [2018-04-10 15:27:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-10 15:27:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 333 transitions. [2018-04-10 15:27:06,635 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 333 transitions. Word has length 81 [2018-04-10 15:27:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:06,635 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 333 transitions. [2018-04-10 15:27:06,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:27:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2018-04-10 15:27:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 15:27:06,635 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:06,635 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:06,635 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:06,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1505231228, now seen corresponding path program 1 times [2018-04-10 15:27:06,636 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:06,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:07,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:07,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:27:07,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:07,188 INFO L182 omatonBuilderFactory]: Interpolants [35730#true, 35731#false, 35732#(= 1 (select |#valid| main_~head~0.base)), 35733#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 35734#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 35735#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 35736#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 35737#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 35738#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 35739#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 35740#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc5.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 35741#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 35742#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset 0) (not (= |main_#t~mem6.base| main_~head~0.base))), 35743#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35744#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 35745#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)), 35746#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base main_~head~0.base))), 35747#(or (not (= |main_#t~mem9| 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base main_~head~0.base))), 35748#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0))), 35749#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 35750#(and (or (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem12.base|) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem12.base|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 35751#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 35752#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 35753#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 35754#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 35755#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (or (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= |main_#t~mem15.offset| 0)))), 35756#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 35757#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 35758#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 35759#(or (and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))) (not (= main_~head~0.offset 0))), 35760#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 35761#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 35762#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:07,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:27:07,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:27:07,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=954, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:27:07,188 INFO L87 Difference]: Start difference. First operand 317 states and 333 transitions. Second operand 33 states. [2018-04-10 15:27:08,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:08,671 INFO L93 Difference]: Finished difference Result 349 states and 366 transitions. [2018-04-10 15:27:08,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:27:08,671 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 81 [2018-04-10 15:27:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:08,671 INFO L225 Difference]: With dead ends: 349 [2018-04-10 15:27:08,672 INFO L226 Difference]: Without dead ends: 349 [2018-04-10 15:27:08,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=509, Invalid=3651, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:27:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-04-10 15:27:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 321. [2018-04-10 15:27:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-04-10 15:27:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 338 transitions. [2018-04-10 15:27:08,674 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 338 transitions. Word has length 81 [2018-04-10 15:27:08,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:08,674 INFO L459 AbstractCegarLoop]: Abstraction has 321 states and 338 transitions. [2018-04-10 15:27:08,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:27:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 338 transitions. [2018-04-10 15:27:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 15:27:08,674 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:08,674 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:08,674 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:08,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1505231229, now seen corresponding path program 2 times [2018-04-10 15:27:08,675 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:08,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:27:08,810 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:08,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:27:08,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:08,811 INFO L182 omatonBuilderFactory]: Interpolants [36497#true, 36498#false, 36499#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36500#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36501#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 36502#(and (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem12.base|)), 36503#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36504#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 36505#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 36506#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 36507#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 36508#(and (<= 0 (+ |main_#t~mem15.offset| 8)) (<= (+ |main_#t~mem15.offset| 12) (select |#length| |main_#t~mem15.base|))), 36509#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8)))] [2018-04-10 15:27:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:27:08,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:27:08,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:27:08,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:27:08,811 INFO L87 Difference]: Start difference. First operand 321 states and 338 transitions. Second operand 13 states. [2018-04-10 15:27:09,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:09,291 INFO L93 Difference]: Finished difference Result 407 states and 423 transitions. [2018-04-10 15:27:09,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-10 15:27:09,291 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2018-04-10 15:27:09,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:09,292 INFO L225 Difference]: With dead ends: 407 [2018-04-10 15:27:09,292 INFO L226 Difference]: Without dead ends: 407 [2018-04-10 15:27:09,292 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:27:09,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-04-10 15:27:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 359. [2018-04-10 15:27:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-04-10 15:27:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 384 transitions. [2018-04-10 15:27:09,295 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 384 transitions. Word has length 81 [2018-04-10 15:27:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:09,295 INFO L459 AbstractCegarLoop]: Abstraction has 359 states and 384 transitions. [2018-04-10 15:27:09,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:27:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 384 transitions. [2018-04-10 15:27:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:27:09,295 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:09,295 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:09,295 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:09,295 INFO L82 PathProgramCache]: Analyzing trace with hash -371460581, now seen corresponding path program 2 times [2018-04-10 15:27:09,296 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:09,303 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:09,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:09,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:27:09,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:09,617 INFO L182 omatonBuilderFactory]: Interpolants [37312#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 37313#(and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|))), 37314#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 37315#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37316#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37317#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 37318#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37319#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 37320#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 37321#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37322#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37323#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37324#(and (not (= |main_#t~mem17.base| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base))), 37325#(= 1 (select |#valid| main_~x~0.base)), 37300#true, 37301#false, 37302#(= 1 (select |#valid| main_~head~0.base)), 37303#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37304#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 37305#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 37306#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 37307#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 37308#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37309#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 37310#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 37311#(and (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|)))] [2018-04-10 15:27:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:09,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:27:09,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:27:09,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:27:09,617 INFO L87 Difference]: Start difference. First operand 359 states and 384 transitions. Second operand 26 states. [2018-04-10 15:27:10,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:10,110 INFO L93 Difference]: Finished difference Result 382 states and 403 transitions. [2018-04-10 15:27:10,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:27:10,111 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-04-10 15:27:10,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:10,112 INFO L225 Difference]: With dead ends: 382 [2018-04-10 15:27:10,112 INFO L226 Difference]: Without dead ends: 382 [2018-04-10 15:27:10,112 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=351, Invalid=1289, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:27:10,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-04-10 15:27:10,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 370. [2018-04-10 15:27:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-04-10 15:27:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 395 transitions. [2018-04-10 15:27:10,115 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 395 transitions. Word has length 82 [2018-04-10 15:27:10,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:10,115 INFO L459 AbstractCegarLoop]: Abstraction has 370 states and 395 transitions. [2018-04-10 15:27:10,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:27:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 395 transitions. [2018-04-10 15:27:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:27:10,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:10,116 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:10,116 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:10,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1940194431, now seen corresponding path program 2 times [2018-04-10 15:27:10,116 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:10,123 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:10,360 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:10,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:27:10,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:10,360 INFO L182 omatonBuilderFactory]: Interpolants [38112#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 38113#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 38114#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 38115#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38116#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38117#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 38118#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 38119#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38120#(and (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38121#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38122#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38123#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38124#(and (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 38125#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 38126#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 38127#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 38128#(= 0 |main_#t~mem15.offset|), 38129#(= 0 main_~x~0.offset), 38130#(= main_~head~0.offset 0), 38108#true, 38109#false, 38110#(= 1 (select |#valid| main_~head~0.base)), 38111#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-04-10 15:27:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:27:10,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:27:10,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:27:10,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:27:10,361 INFO L87 Difference]: Start difference. First operand 370 states and 395 transitions. Second operand 23 states. [2018-04-10 15:27:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:10,997 INFO L93 Difference]: Finished difference Result 384 states and 404 transitions. [2018-04-10 15:27:10,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:27:10,997 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 82 [2018-04-10 15:27:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:10,997 INFO L225 Difference]: With dead ends: 384 [2018-04-10 15:27:10,998 INFO L226 Difference]: Without dead ends: 384 [2018-04-10 15:27:10,998 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=298, Invalid=1508, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:27:10,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-04-10 15:27:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2018-04-10 15:27:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-04-10 15:27:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 396 transitions. [2018-04-10 15:27:11,000 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 396 transitions. Word has length 82 [2018-04-10 15:27:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:11,000 INFO L459 AbstractCegarLoop]: Abstraction has 372 states and 396 transitions. [2018-04-10 15:27:11,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:27:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 396 transitions. [2018-04-10 15:27:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:27:11,000 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:11,000 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:11,001 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:11,001 INFO L82 PathProgramCache]: Analyzing trace with hash -876763170, now seen corresponding path program 1 times [2018-04-10 15:27:11,001 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:11,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:11,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:11,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:27:11,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:11,320 INFO L182 omatonBuilderFactory]: Interpolants [38927#true, 38928#false, 38929#(= 1 (select |#valid| main_~head~0.base)), 38930#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38931#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 38932#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 38933#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 38934#(and (= |main_#t~mem4.offset| 0) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|))), 38935#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 38936#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 38937#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 38938#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 38939#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 38940#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 38941#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 38942#(and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))), 38943#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 38944#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem9| 0))), 38945#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 38946#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)), 38947#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 38948#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 38949#(or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0))), 38950#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 38951#(= main_~x~0.offset 0), 38952#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:27:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:11,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:27:11,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:27:11,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:27:11,320 INFO L87 Difference]: Start difference. First operand 372 states and 396 transitions. Second operand 26 states. [2018-04-10 15:27:11,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:11,968 INFO L93 Difference]: Finished difference Result 402 states and 425 transitions. [2018-04-10 15:27:11,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:27:11,968 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 83 [2018-04-10 15:27:11,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:11,969 INFO L225 Difference]: With dead ends: 402 [2018-04-10 15:27:11,969 INFO L226 Difference]: Without dead ends: 402 [2018-04-10 15:27:11,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=1629, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:27:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-10 15:27:11,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 374. [2018-04-10 15:27:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-04-10 15:27:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 399 transitions. [2018-04-10 15:27:11,971 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 399 transitions. Word has length 83 [2018-04-10 15:27:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:11,971 INFO L459 AbstractCegarLoop]: Abstraction has 374 states and 399 transitions. [2018-04-10 15:27:11,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:27:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 399 transitions. [2018-04-10 15:27:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:27:11,971 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:11,971 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:11,972 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:11,972 INFO L82 PathProgramCache]: Analyzing trace with hash 152822146, now seen corresponding path program 4 times [2018-04-10 15:27:11,972 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:11,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:12,457 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:12,457 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:27:12,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:12,457 INFO L182 omatonBuilderFactory]: Interpolants [39765#true, 39766#false, 39767#(= 1 (select |#valid| main_~head~0.base)), 39768#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 39769#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 39770#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 39771#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 39772#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 39773#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39774#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39775#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 39776#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39777#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39778#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39779#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39780#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39781#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39782#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39783#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39784#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39785#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39786#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 39787#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 39788#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 39789#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 39790#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 39791#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 39792#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 39793#(= 1 (select |#valid| |main_#t~mem12.base|)), 39794#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:12,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:27:12,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:27:12,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:27:12,458 INFO L87 Difference]: Start difference. First operand 374 states and 399 transitions. Second operand 30 states. [2018-04-10 15:27:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:13,908 INFO L93 Difference]: Finished difference Result 446 states and 473 transitions. [2018-04-10 15:27:13,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:27:13,908 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-04-10 15:27:13,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:13,909 INFO L225 Difference]: With dead ends: 446 [2018-04-10 15:27:13,909 INFO L226 Difference]: Without dead ends: 446 [2018-04-10 15:27:13,909 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=460, Invalid=3200, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:27:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-10 15:27:13,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 377. [2018-04-10 15:27:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-04-10 15:27:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 403 transitions. [2018-04-10 15:27:13,911 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 403 transitions. Word has length 83 [2018-04-10 15:27:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:13,911 INFO L459 AbstractCegarLoop]: Abstraction has 377 states and 403 transitions. [2018-04-10 15:27:13,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:27:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 403 transitions. [2018-04-10 15:27:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:27:13,912 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:13,912 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:13,912 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:13,912 INFO L82 PathProgramCache]: Analyzing trace with hash 152822147, now seen corresponding path program 3 times [2018-04-10 15:27:13,912 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:13,920 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:14,434 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:14,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:27:14,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:14,434 INFO L182 omatonBuilderFactory]: Interpolants [40704#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 40705#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 40706#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 40707#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 40708#(and (= 12 (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 40709#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 40680#true, 40681#false, 40682#(= 1 (select |#valid| main_~head~0.base)), 40683#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 40684#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 40685#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 40686#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 40687#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 40688#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40689#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40690#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 40691#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40692#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40693#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40694#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40695#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40696#(and (= 0 |main_#t~malloc5.offset|) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40697#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40698#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40699#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40700#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 40701#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 40702#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 40703#(or (not (= |main_#t~mem9| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))] [2018-04-10 15:27:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:14,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:27:14,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:27:14,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:27:14,435 INFO L87 Difference]: Start difference. First operand 377 states and 403 transitions. Second operand 30 states. [2018-04-10 15:27:15,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:15,937 INFO L93 Difference]: Finished difference Result 479 states and 506 transitions. [2018-04-10 15:27:15,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:27:15,937 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-04-10 15:27:15,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:15,938 INFO L225 Difference]: With dead ends: 479 [2018-04-10 15:27:15,938 INFO L226 Difference]: Without dead ends: 479 [2018-04-10 15:27:15,939 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=268, Invalid=2488, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:27:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-10 15:27:15,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 377. [2018-04-10 15:27:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-04-10 15:27:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 402 transitions. [2018-04-10 15:27:15,941 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 402 transitions. Word has length 83 [2018-04-10 15:27:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:15,941 INFO L459 AbstractCegarLoop]: Abstraction has 377 states and 402 transitions. [2018-04-10 15:27:15,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:27:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 402 transitions. [2018-04-10 15:27:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:27:15,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:15,942 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1] [2018-04-10 15:27:15,942 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:15,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2030091589, now seen corresponding path program 6 times [2018-04-10 15:27:15,942 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:15,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:16,388 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:16,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:27:16,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:16,388 INFO L182 omatonBuilderFactory]: Interpolants [41612#true, 41613#false, 41614#(= 1 (select |#valid| main_~head~0.base)), 41615#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 41616#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 41617#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 41618#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 41619#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41620#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 41621#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 41622#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 41623#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41624#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41625#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41626#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41627#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41628#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41629#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41630#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41631#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41632#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41633#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 41634#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 41635#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 41636#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 41637#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 41638#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 41639#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 41640#(= 1 (select |#valid| |main_#t~mem10.base|)), 41641#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:16,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:27:16,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:27:16,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:27:16,389 INFO L87 Difference]: Start difference. First operand 377 states and 402 transitions. Second operand 30 states. [2018-04-10 15:27:17,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:17,751 INFO L93 Difference]: Finished difference Result 448 states and 475 transitions. [2018-04-10 15:27:17,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:27:17,752 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-04-10 15:27:17,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:17,752 INFO L225 Difference]: With dead ends: 448 [2018-04-10 15:27:17,753 INFO L226 Difference]: Without dead ends: 448 [2018-04-10 15:27:17,753 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=408, Invalid=2898, Unknown=0, NotChecked=0, Total=3306 [2018-04-10 15:27:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-04-10 15:27:17,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 380. [2018-04-10 15:27:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-04-10 15:27:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 406 transitions. [2018-04-10 15:27:17,755 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 406 transitions. Word has length 83 [2018-04-10 15:27:17,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:17,755 INFO L459 AbstractCegarLoop]: Abstraction has 380 states and 406 transitions. [2018-04-10 15:27:17,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:27:17,755 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 406 transitions. [2018-04-10 15:27:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:27:17,756 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:17,756 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1] [2018-04-10 15:27:17,756 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:17,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2030091590, now seen corresponding path program 6 times [2018-04-10 15:27:17,757 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:17,769 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:18,284 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:18,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:27:18,284 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:18,285 INFO L182 omatonBuilderFactory]: Interpolants [42526#true, 42527#false, 42528#(= 1 (select |#valid| main_~head~0.base)), 42529#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 42530#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 42531#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 42532#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 42533#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 42534#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 42535#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 42536#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 42537#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42538#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42539#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42540#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42541#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42542#(and (= 0 |main_#t~malloc5.offset|) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42543#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42544#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42545#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42546#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 42547#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 42548#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42549#(or (not (= |main_#t~mem9| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42550#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 42551#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 42552#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 42553#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 42554#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 42555#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:27:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:18,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:27:18,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:27:18,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:27:18,285 INFO L87 Difference]: Start difference. First operand 380 states and 406 transitions. Second operand 30 states. [2018-04-10 15:27:19,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:19,842 INFO L93 Difference]: Finished difference Result 491 states and 519 transitions. [2018-04-10 15:27:19,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:27:19,842 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-04-10 15:27:19,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:19,843 INFO L225 Difference]: With dead ends: 491 [2018-04-10 15:27:19,843 INFO L226 Difference]: Without dead ends: 491 [2018-04-10 15:27:19,843 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=268, Invalid=2488, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:27:19,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-04-10 15:27:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 391. [2018-04-10 15:27:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-10 15:27:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 417 transitions. [2018-04-10 15:27:19,846 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 417 transitions. Word has length 83 [2018-04-10 15:27:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:19,846 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 417 transitions. [2018-04-10 15:27:19,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:27:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 417 transitions. [2018-04-10 15:27:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:27:19,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:19,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:19,846 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:19,846 INFO L82 PathProgramCache]: Analyzing trace with hash 812922135, now seen corresponding path program 1 times [2018-04-10 15:27:19,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:19,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:20,146 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:20,146 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:27:20,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:20,147 INFO L182 omatonBuilderFactory]: Interpolants [43488#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 43489#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 43490#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 43491#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 43492#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43493#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43494#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43495#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 43496#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| main_~head~0.base))), 43497#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43498#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43499#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)), 43500#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 43501#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem9| 0))), 43502#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 43503#(not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 43504#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 43505#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43506#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|))), 43507#(= 1 (select |#valid| main_~x~0.base)), 43484#true, 43485#false, 43486#(= 1 (select |#valid| main_~head~0.base)), 43487#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:27:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:20,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:27:20,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:27:20,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:27:20,147 INFO L87 Difference]: Start difference. First operand 391 states and 417 transitions. Second operand 24 states. [2018-04-10 15:27:20,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:20,900 INFO L93 Difference]: Finished difference Result 399 states and 424 transitions. [2018-04-10 15:27:20,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:27:20,900 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 85 [2018-04-10 15:27:20,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:20,901 INFO L225 Difference]: With dead ends: 399 [2018-04-10 15:27:20,901 INFO L226 Difference]: Without dead ends: 399 [2018-04-10 15:27:20,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=1517, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:27:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-10 15:27:20,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 384. [2018-04-10 15:27:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-10 15:27:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 410 transitions. [2018-04-10 15:27:20,903 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 410 transitions. Word has length 85 [2018-04-10 15:27:20,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:20,903 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 410 transitions. [2018-04-10 15:27:20,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:27:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 410 transitions. [2018-04-10 15:27:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:27:20,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:20,904 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:20,904 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:20,904 INFO L82 PathProgramCache]: Analyzing trace with hash -755811715, now seen corresponding path program 1 times [2018-04-10 15:27:20,904 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:20,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:21,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:21,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:27:21,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:21,210 INFO L182 omatonBuilderFactory]: Interpolants [44352#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 44353#(= 0 main_~x~0.offset), 44354#(= main_~head~0.offset 0), 44329#true, 44330#false, 44331#(= 1 (select |#valid| main_~head~0.base)), 44332#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44333#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 44334#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 44335#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 44336#(and (= |main_#t~mem4.offset| 0) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|))), 44337#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 44338#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 44339#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 44340#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 44341#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 44342#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 44343#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 44344#(and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))), 44345#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 44346#(or (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem9| 0))), 44347#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 44348#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)), 44349#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 44350#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 44351#(or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0)))] [2018-04-10 15:27:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:21,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:27:21,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:27:21,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=567, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:27:21,211 INFO L87 Difference]: Start difference. First operand 384 states and 410 transitions. Second operand 26 states. [2018-04-10 15:27:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:21,969 INFO L93 Difference]: Finished difference Result 417 states and 441 transitions. [2018-04-10 15:27:21,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:27:21,969 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 85 [2018-04-10 15:27:21,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:21,970 INFO L225 Difference]: With dead ends: 417 [2018-04-10 15:27:21,970 INFO L226 Difference]: Without dead ends: 417 [2018-04-10 15:27:21,970 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=260, Invalid=1810, Unknown=0, NotChecked=0, Total=2070 [2018-04-10 15:27:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-04-10 15:27:21,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 372. [2018-04-10 15:27:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-04-10 15:27:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 396 transitions. [2018-04-10 15:27:21,972 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 396 transitions. Word has length 85 [2018-04-10 15:27:21,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:21,973 INFO L459 AbstractCegarLoop]: Abstraction has 372 states and 396 transitions. [2018-04-10 15:27:21,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:27:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 396 transitions. [2018-04-10 15:27:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:27:21,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:21,973 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:21,973 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:21,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1948828317, now seen corresponding path program 2 times [2018-04-10 15:27:21,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:21,982 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:27:22,243 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:22,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:27:22,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:22,244 INFO L182 omatonBuilderFactory]: Interpolants [45184#true, 45185#false, 45186#(= 1 (select |#valid| main_~head~0.base)), 45187#(and (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45188#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 45189#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~malloc2.base|))), 45190#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)), 45191#(and (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 45192#(and (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45193#(and (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45194#(and (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 45195#(and (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 45196#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45197#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45198#(and (not (= main_~head~0.base main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45199#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45200#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45201#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45202#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 45203#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem7.base|))), 45204#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))), 45205#(and (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)), 45206#(and (= main_~head~0.offset main_~x~0.offset) (= 0 |main_#t~mem8|))] [2018-04-10 15:27:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:27:22,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:27:22,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:27:22,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:27:22,244 INFO L87 Difference]: Start difference. First operand 372 states and 396 transitions. Second operand 23 states. [2018-04-10 15:27:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:22,655 INFO L93 Difference]: Finished difference Result 379 states and 399 transitions. [2018-04-10 15:27:22,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:27:22,655 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 85 [2018-04-10 15:27:22,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:22,656 INFO L225 Difference]: With dead ends: 379 [2018-04-10 15:27:22,656 INFO L226 Difference]: Without dead ends: 379 [2018-04-10 15:27:22,656 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:27:22,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-04-10 15:27:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 353. [2018-04-10 15:27:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-04-10 15:27:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2018-04-10 15:27:22,658 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2018-04-10 15:27:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:22,658 INFO L459 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2018-04-10 15:27:22,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:27:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2018-04-10 15:27:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:27:22,658 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:22,659 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:27:22,659 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash -525919766, now seen corresponding path program 2 times [2018-04-10 15:27:22,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:22,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:23,410 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:23,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:27:23,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:23,411 INFO L182 omatonBuilderFactory]: Interpolants [45967#true, 45968#false, 45969#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 45970#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 45971#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 45972#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 45973#(and (= 12 (select |#length| main_~x~0.base)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 45974#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 45975#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 12)), 45976#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= (select |#length| main_~head~0.base) 12) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45977#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45978#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45979#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45980#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45981#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45982#(or (and (= 0 main_~head~0.offset) (or (<= (select |#length| main_~x~0.base) 12) (<= main_~x~0.offset 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45983#(and (or (and (= 0 main_~head~0.offset) (<= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)) (and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base))), 45984#(and (or (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~malloc2.base| main_~head~0.base) (= |main_#t~malloc2.offset| main_~head~0.offset)) (and (= 1 (select |#valid| main_~head~0.base)) (or (and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset)) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0))) (= main_~x~0.base main_~head~0.base))) (not (= |main_#t~malloc2.base| main_~x~0.base))), 45985#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 45986#(and (not (= main_~x~0.base |main_#t~mem3.base|)) (or (and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 45987#(or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45988#(or (and (= |main_#t~mem4.offset| main_~head~0.offset) (= |main_#t~mem4.base| main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45989#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45990#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45991#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (or (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 45992#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45993#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 45994#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 45995#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 45996#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 45997#(or (not (= |main_#t~mem9| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 45998#(= 0 |main_#t~mem10.offset|), 45999#(= main_~x~0.offset 0), 46000#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:27:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:23,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:27:23,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:27:23,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=974, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:27:23,411 INFO L87 Difference]: Start difference. First operand 353 states and 373 transitions. Second operand 34 states. [2018-04-10 15:27:24,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:24,899 INFO L93 Difference]: Finished difference Result 387 states and 404 transitions. [2018-04-10 15:27:24,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:27:24,899 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 85 [2018-04-10 15:27:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:24,900 INFO L225 Difference]: With dead ends: 387 [2018-04-10 15:27:24,900 INFO L226 Difference]: Without dead ends: 387 [2018-04-10 15:27:24,900 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2018-04-10 15:27:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-04-10 15:27:24,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 353. [2018-04-10 15:27:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-04-10 15:27:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 372 transitions. [2018-04-10 15:27:24,902 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 372 transitions. Word has length 85 [2018-04-10 15:27:24,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:24,902 INFO L459 AbstractCegarLoop]: Abstraction has 353 states and 372 transitions. [2018-04-10 15:27:24,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:27:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 372 transitions. [2018-04-10 15:27:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:24,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:24,903 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:24,903 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:24,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1556983263, now seen corresponding path program 1 times [2018-04-10 15:27:24,904 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:24,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:26,194 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:26,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:27:26,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:26,195 INFO L182 omatonBuilderFactory]: Interpolants [46799#true, 46800#false, 46801#(= |#valid| |old(#valid)|), 46802#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 46803#(= (store |#valid| main_~head~0.base 0) |old(#valid)|), 46804#(and (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 46805#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 46806#(and (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc2.base| 0) |old(#valid)|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 46807#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 46808#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 46809#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 46810#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 46811#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 46812#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |main_#t~malloc5.base| 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base))), 46813#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46814#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= |main_#t~mem6.base| main_~head~0.base))), 46815#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46816#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 46817#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 46818#(or (not (= |main_#t~mem9| 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 46819#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 46820#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= |old(#valid)| (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46821#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem15.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|) 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem15.base|)) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 46822#(and (= (store (store (store |#valid| main_~head~0.base 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46823#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|)), 46824#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= (store (store |#valid| |main_#t~mem17.base| 0) main_~x~0.base 0) |old(#valid)|)), 46825#(= (store |#valid| main_~x~0.base 0) |old(#valid)|)] [2018-04-10 15:27:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:26,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:27:26,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:27:26,196 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:27:26,196 INFO L87 Difference]: Start difference. First operand 353 states and 372 transitions. Second operand 27 states. [2018-04-10 15:27:27,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:27,340 INFO L93 Difference]: Finished difference Result 358 states and 376 transitions. [2018-04-10 15:27:27,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:27:27,341 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 88 [2018-04-10 15:27:27,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:27,341 INFO L225 Difference]: With dead ends: 358 [2018-04-10 15:27:27,341 INFO L226 Difference]: Without dead ends: 344 [2018-04-10 15:27:27,342 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 9 SyntacticMatches, 12 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=202, Invalid=1778, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:27:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-04-10 15:27:27,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 339. [2018-04-10 15:27:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-10 15:27:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 357 transitions. [2018-04-10 15:27:27,343 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 357 transitions. Word has length 88 [2018-04-10 15:27:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:27,344 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 357 transitions. [2018-04-10 15:27:27,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:27:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 357 transitions. [2018-04-10 15:27:27,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:27,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:27,344 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:27,344 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash 764377204, now seen corresponding path program 2 times [2018-04-10 15:27:27,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:27,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:27,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:27,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:27:27,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:27,964 INFO L182 omatonBuilderFactory]: Interpolants [47559#true, 47560#false, 47561#(= 0 |main_#t~malloc0.offset|), 47562#(= main_~head~0.offset 0), 47563#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 47564#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 47565#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 47566#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 47567#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47568#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= main_~head~0.offset 0)), 47569#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 47570#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 47571#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 47572#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 47573#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 47574#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 47575#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~head~0.offset 0)), 47576#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 47577#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 47578#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 47579#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 47580#(and (or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8))))) (= main_~head~0.offset 0)), 47581#(and (or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8))))) (= main_~head~0.offset 0)), 47582#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| |main_#t~mem10.base|) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 47583#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 47584#(= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))), 47585#(= 1 (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 8))), 47586#(or (not (= main_~x~0.offset 0)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))), 47587#(or (not (= main_~x~0.offset 0)) (and (= |main_#t~mem14| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 47588#(and (not (= main_~x~0.offset 0)) (= main_~head~0.offset main_~x~0.offset)), 47589#(not (= main_~head~0.offset 0))] [2018-04-10 15:27:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:27,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:27:27,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:27:27,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:27:27,965 INFO L87 Difference]: Start difference. First operand 339 states and 357 transitions. Second operand 31 states. [2018-04-10 15:27:28,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:28,912 INFO L93 Difference]: Finished difference Result 345 states and 362 transitions. [2018-04-10 15:27:28,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:27:28,912 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 88 [2018-04-10 15:27:28,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:28,912 INFO L225 Difference]: With dead ends: 345 [2018-04-10 15:27:28,912 INFO L226 Difference]: Without dead ends: 296 [2018-04-10 15:27:28,913 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=481, Invalid=2825, Unknown=0, NotChecked=0, Total=3306 [2018-04-10 15:27:28,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-10 15:27:28,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2018-04-10 15:27:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-04-10 15:27:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 313 transitions. [2018-04-10 15:27:28,914 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 313 transitions. Word has length 88 [2018-04-10 15:27:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:28,914 INFO L459 AbstractCegarLoop]: Abstraction has 296 states and 313 transitions. [2018-04-10 15:27:28,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:27:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 313 transitions. [2018-04-10 15:27:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:28,915 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:28,915 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:27:28,915 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:28,915 INFO L82 PathProgramCache]: Analyzing trace with hash 365052288, now seen corresponding path program 5 times [2018-04-10 15:27:28,915 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:28,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:29,943 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:29,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:27:29,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:29,944 INFO L182 omatonBuilderFactory]: Interpolants [48285#true, 48286#false, 48287#(= 1 (select |#valid| main_~head~0.base)), 48288#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 48289#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 48290#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 48291#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 48292#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48293#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48294#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48295#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48296#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 48297#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48298#(and (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48299#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48300#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48301#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 48302#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48303#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48304#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 48305#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48306#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48307#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48308#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc5.base|))))), 48309#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48310#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48311#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48312#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 48313#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 48314#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 48315#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 48316#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48317#(= 1 (select |#valid| |main_#t~mem12.base|)), 48318#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:29,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:27:29,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:27:29,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:27:29,944 INFO L87 Difference]: Start difference. First operand 296 states and 313 transitions. Second operand 34 states. [2018-04-10 15:27:31,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:31,652 INFO L93 Difference]: Finished difference Result 369 states and 388 transitions. [2018-04-10 15:27:31,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:27:31,653 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 88 [2018-04-10 15:27:31,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:31,653 INFO L225 Difference]: With dead ends: 369 [2018-04-10 15:27:31,653 INFO L226 Difference]: Without dead ends: 369 [2018-04-10 15:27:31,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=640, Invalid=4190, Unknown=0, NotChecked=0, Total=4830 [2018-04-10 15:27:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-04-10 15:27:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 305. [2018-04-10 15:27:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-04-10 15:27:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 324 transitions. [2018-04-10 15:27:31,656 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 324 transitions. Word has length 88 [2018-04-10 15:27:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:31,656 INFO L459 AbstractCegarLoop]: Abstraction has 305 states and 324 transitions. [2018-04-10 15:27:31,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:27:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 324 transitions. [2018-04-10 15:27:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:31,656 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:31,657 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:27:31,657 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 365052289, now seen corresponding path program 4 times [2018-04-10 15:27:31,657 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:31,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:32,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:32,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:27:32,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:32,430 INFO L182 omatonBuilderFactory]: Interpolants [49088#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 49089#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 49090#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49091#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 49092#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 49093#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 49094#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 49095#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 49096#(and (= 12 (select |#length| |main_#t~mem12.base|)) (= 0 |main_#t~mem12.offset|)), 49097#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 49065#true, 49066#false, 49067#(= 1 (select |#valid| main_~head~0.base)), 49068#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49069#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 49070#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 49071#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 49072#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49073#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49074#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49075#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 49076#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 49077#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 49078#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 49079#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49080#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49081#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 49082#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49083#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49084#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49085#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49086#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49087#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-10 15:27:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:32,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:27:32,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:27:32,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:27:32,430 INFO L87 Difference]: Start difference. First operand 305 states and 324 transitions. Second operand 33 states. [2018-04-10 15:27:33,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:33,702 INFO L93 Difference]: Finished difference Result 389 states and 409 transitions. [2018-04-10 15:27:33,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:27:33,702 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 88 [2018-04-10 15:27:33,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:33,703 INFO L225 Difference]: With dead ends: 389 [2018-04-10 15:27:33,703 INFO L226 Difference]: Without dead ends: 389 [2018-04-10 15:27:33,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=397, Invalid=3143, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:27:33,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-10 15:27:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 297. [2018-04-10 15:27:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:27:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 315 transitions. [2018-04-10 15:27:33,705 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 315 transitions. Word has length 88 [2018-04-10 15:27:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:33,705 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 315 transitions. [2018-04-10 15:27:33,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:27:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 315 transitions. [2018-04-10 15:27:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:33,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:33,706 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:33,706 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:33,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2052645565, now seen corresponding path program 7 times [2018-04-10 15:27:33,706 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:33,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:34,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:34,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:27:34,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:34,663 INFO L182 omatonBuilderFactory]: Interpolants [49856#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49857#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49858#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49859#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49860#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49861#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc5.base|))))), 49862#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49863#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49864#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49865#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 49866#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 49867#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 49868#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 49869#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 49870#(= 1 (select |#valid| |main_#t~mem10.base|)), 49871#(= 1 (select |#valid| main_~x~0.base)), 49838#true, 49839#false, 49840#(= 1 (select |#valid| main_~head~0.base)), 49841#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49842#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 49843#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 49844#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 49845#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49846#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49847#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49848#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49849#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 49850#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49851#(and (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49852#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49853#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 49854#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 49855#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:27:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:34,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:27:34,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:27:34,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:27:34,663 INFO L87 Difference]: Start difference. First operand 297 states and 315 transitions. Second operand 34 states. [2018-04-10 15:27:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:36,333 INFO L93 Difference]: Finished difference Result 363 states and 382 transitions. [2018-04-10 15:27:36,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:27:36,334 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 88 [2018-04-10 15:27:36,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:36,334 INFO L225 Difference]: With dead ends: 363 [2018-04-10 15:27:36,334 INFO L226 Difference]: Without dead ends: 363 [2018-04-10 15:27:36,335 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1169 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=629, Invalid=4063, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:27:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-04-10 15:27:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 305. [2018-04-10 15:27:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-04-10 15:27:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 324 transitions. [2018-04-10 15:27:36,336 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 324 transitions. Word has length 88 [2018-04-10 15:27:36,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:36,337 INFO L459 AbstractCegarLoop]: Abstraction has 305 states and 324 transitions. [2018-04-10 15:27:36,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:27:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 324 transitions. [2018-04-10 15:27:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:27:36,337 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:36,337 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:36,337 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:36,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2052645564, now seen corresponding path program 7 times [2018-04-10 15:27:36,338 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:36,356 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:37,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:37,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:27:37,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:37,077 INFO L182 omatonBuilderFactory]: Interpolants [50624#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50625#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50626#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 50627#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50628#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50629#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50630#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50631#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50632#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 50633#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50634#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 50635#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50636#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 50637#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 50638#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 50639#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 50640#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 50641#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 50642#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 50610#true, 50611#false, 50612#(= 1 (select |#valid| main_~head~0.base)), 50613#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 50614#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 50615#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50616#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 50617#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50618#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50619#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50620#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 50621#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50622#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 50623#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:27:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:37,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:27:37,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:27:37,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:27:37,078 INFO L87 Difference]: Start difference. First operand 305 states and 324 transitions. Second operand 33 states. [2018-04-10 15:27:38,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:38,560 INFO L93 Difference]: Finished difference Result 396 states and 417 transitions. [2018-04-10 15:27:38,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:27:38,560 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 88 [2018-04-10 15:27:38,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:38,561 INFO L225 Difference]: With dead ends: 396 [2018-04-10 15:27:38,561 INFO L226 Difference]: Without dead ends: 396 [2018-04-10 15:27:38,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=397, Invalid=3143, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:27:38,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-04-10 15:27:38,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 297. [2018-04-10 15:27:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:27:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 315 transitions. [2018-04-10 15:27:38,563 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 315 transitions. Word has length 88 [2018-04-10 15:27:38,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:38,563 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 315 transitions. [2018-04-10 15:27:38,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:27:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 315 transitions. [2018-04-10 15:27:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:27:38,564 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:38,564 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:38,564 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:38,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1328205034, now seen corresponding path program 6 times [2018-04-10 15:27:38,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:38,573 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:39,503 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:39,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:27:39,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:39,504 INFO L182 omatonBuilderFactory]: Interpolants [51392#(= 0 |main_#t~malloc0.offset|), 51393#(= main_~head~0.offset 0), 51394#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 51395#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 51396#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 51397#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 51398#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 51399#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= main_~head~0.offset 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 51400#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51401#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51402#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 51403#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 51404#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51405#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem4.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= main_~head~0.offset 0)), 51406#(and (= main_~head~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (< main_~x~0.offset main_~head~0.offset))), 51407#(and (= main_~head~0.offset 0) (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 51408#(and (or (< main_~x~0.offset main_~head~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~head~0.offset 0)), 51409#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (< main_~x~0.offset main_~head~0.offset)) (= main_~head~0.offset 0)), 51410#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 51411#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base |main_#t~mem6.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset)), 51412#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 51413#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 51414#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 51415#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)))), 51416#(and (= |main_#t~mem8| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)))), 51417#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)))))), 51418#(or (not (= |main_#t~mem9| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)))))), 51419#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 51420#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 51421#(and (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 51422#(and (not (= 0 (select (select |#memory_int| |main_#t~mem10.base|) (+ 0 8)))) (= 0 |main_#t~mem10.offset|)), 51423#(or (<= (+ main_~x~0.offset 1) 0) (and (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset 0))), 51424#(or (<= (+ main_~x~0.offset 1) 0) (and (not (= 0 |main_#t~mem9|)) (= main_~x~0.offset 0))), 51425#(<= (+ main_~x~0.offset 1) 0), 51390#true, 51391#false] [2018-04-10 15:27:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:39,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:27:39,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:27:39,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:27:39,505 INFO L87 Difference]: Start difference. First operand 297 states and 315 transitions. Second operand 36 states. [2018-04-10 15:27:41,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:41,207 INFO L93 Difference]: Finished difference Result 356 states and 374 transitions. [2018-04-10 15:27:41,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:27:41,207 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 92 [2018-04-10 15:27:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:41,208 INFO L225 Difference]: With dead ends: 356 [2018-04-10 15:27:41,208 INFO L226 Difference]: Without dead ends: 351 [2018-04-10 15:27:41,208 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=562, Invalid=3860, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:27:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-04-10 15:27:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 297. [2018-04-10 15:27:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:27:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 314 transitions. [2018-04-10 15:27:41,211 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 314 transitions. Word has length 92 [2018-04-10 15:27:41,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:41,211 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 314 transitions. [2018-04-10 15:27:41,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:27:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2018-04-10 15:27:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:27:41,211 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:41,211 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-10 15:27:41,211 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:41,211 INFO L82 PathProgramCache]: Analyzing trace with hash 273488369, now seen corresponding path program 8 times [2018-04-10 15:27:41,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:41,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-10 15:27:42,013 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:42,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-10 15:27:42,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:42,013 INFO L182 omatonBuilderFactory]: Interpolants [52160#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 52161#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52162#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52163#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52164#(and (not (= main_~head~0.base main_~x~0.base)) (or (and (= |main_#t~malloc2.base| main_~head~0.base) (= |main_#t~malloc2.offset| main_~head~0.offset)) (and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base))), 52165#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52166#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|))), 52167#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~head~0.base main_~x~0.base))), 52168#(or (and (= |main_#t~mem4.offset| main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem4.offset| main_~head~0.offset) (= |main_#t~mem4.base| main_~head~0.base))), 52169#(or (and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 52170#(or (and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 52171#(or (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base))), 52172#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52173#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 52174#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 52175#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 52176#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52177#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem9| 0))), 52178#(= 1 (select |#valid| |main_#t~mem10.base|)), 52179#(= 1 (select |#valid| main_~x~0.base)), 52141#true, 52142#false, 52143#(= 0 |main_#t~malloc0.offset|), 52144#(= 0 main_~head~0.offset), 52145#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 52146#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 52147#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 52148#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52149#(and (= 0 main_~head~0.offset) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 52150#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 52151#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52152#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52153#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 52154#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52155#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52156#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52157#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 52158#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 52159#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))] [2018-04-10 15:27:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-10 15:27:42,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 15:27:42,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 15:27:42,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1306, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:27:42,014 INFO L87 Difference]: Start difference. First operand 297 states and 314 transitions. Second operand 39 states. [2018-04-10 15:27:43,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:43,334 INFO L93 Difference]: Finished difference Result 298 states and 313 transitions. [2018-04-10 15:27:43,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:27:43,335 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 93 [2018-04-10 15:27:43,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:43,335 INFO L225 Difference]: With dead ends: 298 [2018-04-10 15:27:43,335 INFO L226 Difference]: Without dead ends: 298 [2018-04-10 15:27:43,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=801, Invalid=3891, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:27:43,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-10 15:27:43,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 297. [2018-04-10 15:27:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:27:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 313 transitions. [2018-04-10 15:27:43,337 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 313 transitions. Word has length 93 [2018-04-10 15:27:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:43,337 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 313 transitions. [2018-04-10 15:27:43,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 15:27:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 313 transitions. [2018-04-10 15:27:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:27:43,338 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:43,338 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-10 15:27:43,338 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:43,338 INFO L82 PathProgramCache]: Analyzing trace with hash 273488370, now seen corresponding path program 8 times [2018-04-10 15:27:43,338 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:43,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-10 15:27:44,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:44,293 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-10 15:27:44,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:44,294 INFO L182 omatonBuilderFactory]: Interpolants [52864#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 52865#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (or (and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)))), 52866#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52867#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52868#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52869#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 52870#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 52871#(or (not (= |main_#t~mem9| 0)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 52872#(and (= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 52873#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 52835#true, 52836#false, 52837#(= 0 |main_#t~malloc0.offset|), 52838#(= 0 main_~head~0.offset), 52839#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 52840#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 52841#(and (= 0 main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 52842#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52843#(and (= 0 main_~head~0.offset) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 52844#(and (= 0 main_~head~0.offset) (= 12 (select |#length| |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52845#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52846#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52847#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 52848#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 52849#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 52850#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 52851#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52852#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52853#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52854#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52855#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52856#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52857#(and (= 0 main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 52858#(and (not (= |main_#t~malloc2.base| main_~x~0.base)) (or (and (= |main_#t~malloc2.base| main_~head~0.base) (= |main_#t~malloc2.offset| main_~head~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52859#(and (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 52860#(and (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base |main_#t~mem3.base|))), 52861#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 52862#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem4.offset| main_~head~0.offset) (= |main_#t~mem4.base| main_~head~0.base))), 52863#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))] [2018-04-10 15:27:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-10 15:27:44,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 15:27:44,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 15:27:44,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1286, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:27:44,295 INFO L87 Difference]: Start difference. First operand 297 states and 313 transitions. Second operand 39 states. [2018-04-10 15:27:45,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:45,810 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2018-04-10 15:27:45,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:27:45,810 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 93 [2018-04-10 15:27:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:45,811 INFO L225 Difference]: With dead ends: 311 [2018-04-10 15:27:45,811 INFO L226 Difference]: Without dead ends: 311 [2018-04-10 15:27:45,811 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=895, Invalid=4217, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:27:45,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-10 15:27:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2018-04-10 15:27:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-10 15:27:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 312 transitions. [2018-04-10 15:27:45,825 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 312 transitions. Word has length 93 [2018-04-10 15:27:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:45,826 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 312 transitions. [2018-04-10 15:27:45,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 15:27:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 312 transitions. [2018-04-10 15:27:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-10 15:27:45,826 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:45,826 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:45,826 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:45,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1657723516, now seen corresponding path program 3 times [2018-04-10 15:27:45,827 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:45,834 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:46,223 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:46,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:27:46,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:46,223 INFO L182 omatonBuilderFactory]: Interpolants [53568#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 53569#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 53570#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53571#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53572#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 53573#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 53574#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 53575#(= |main_#t~mem17.offset| 0), 53548#true, 53549#false, 53550#(= 1 (select |#valid| main_~head~0.base)), 53551#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 53552#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 53553#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 53554#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 53555#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53556#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 53557#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 53558#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 53559#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53560#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53561#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 53562#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 53563#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 53564#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53565#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 53566#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53567#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:27:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:46,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:27:46,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:27:46,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:27:46,224 INFO L87 Difference]: Start difference. First operand 297 states and 312 transitions. Second operand 28 states. [2018-04-10 15:27:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:47,076 INFO L93 Difference]: Finished difference Result 354 states and 370 transitions. [2018-04-10 15:27:47,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:27:47,077 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 94 [2018-04-10 15:27:47,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:47,077 INFO L225 Difference]: With dead ends: 354 [2018-04-10 15:27:47,077 INFO L226 Difference]: Without dead ends: 354 [2018-04-10 15:27:47,078 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=2059, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 15:27:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-10 15:27:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 339. [2018-04-10 15:27:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-10 15:27:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 356 transitions. [2018-04-10 15:27:47,079 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 356 transitions. Word has length 94 [2018-04-10 15:27:47,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:47,080 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 356 transitions. [2018-04-10 15:27:47,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:27:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 356 transitions. [2018-04-10 15:27:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:27:47,080 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:47,080 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:47,080 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:47,080 INFO L82 PathProgramCache]: Analyzing trace with hash 150178826, now seen corresponding path program 2 times [2018-04-10 15:27:47,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:47,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:47,606 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:47,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:27:47,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:47,607 INFO L182 omatonBuilderFactory]: Interpolants [54336#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54337#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54338#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 54339#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 54340#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54341#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54342#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 54343#(= 1 (select |#valid| |main_#t~mem17.base|)), 54311#true, 54312#false, 54313#(= 1 (select |#valid| main_~head~0.base)), 54314#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 54315#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 54316#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 54317#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 54318#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 54319#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54320#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54321#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 54322#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54323#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54324#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54325#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54326#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54327#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54328#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54329#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54330#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54331#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 54332#(or (not (= |main_#t~mem9| 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 54333#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 54334#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54335#(and (not (= main_~head~0.base |main_#t~mem12.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem12.base|))] [2018-04-10 15:27:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:47,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:27:47,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:27:47,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:27:47,607 INFO L87 Difference]: Start difference. First operand 339 states and 356 transitions. Second operand 33 states. [2018-04-10 15:27:48,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:48,827 INFO L93 Difference]: Finished difference Result 360 states and 376 transitions. [2018-04-10 15:27:48,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:27:48,827 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-04-10 15:27:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:48,828 INFO L225 Difference]: With dead ends: 360 [2018-04-10 15:27:48,828 INFO L226 Difference]: Without dead ends: 360 [2018-04-10 15:27:48,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=376, Invalid=3284, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:27:48,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-04-10 15:27:48,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 346. [2018-04-10 15:27:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-04-10 15:27:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 363 transitions. [2018-04-10 15:27:48,831 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 363 transitions. Word has length 95 [2018-04-10 15:27:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:48,831 INFO L459 AbstractCegarLoop]: Abstraction has 346 states and 363 transitions. [2018-04-10 15:27:48,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:27:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 363 transitions. [2018-04-10 15:27:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:27:48,831 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:48,831 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:48,831 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:48,831 INFO L82 PathProgramCache]: Analyzing trace with hash -559157678, now seen corresponding path program 2 times [2018-04-10 15:27:48,832 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:48,840 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:49,554 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:49,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:27:49,554 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:49,555 INFO L182 omatonBuilderFactory]: Interpolants [55106#true, 55107#false, 55108#(= 1 (select |#valid| main_~head~0.base)), 55109#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 55110#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 55111#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 55112#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 55113#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 55114#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55115#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55116#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 55117#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 55118#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|))), 55119#(and (not (= |main_#t~mem4.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem4.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 55120#(and (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55121#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55122#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55123#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55124#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55125#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 55126#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 55127#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)), 55128#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 55129#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem9| 0))), 55130#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)))), 55131#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)))), 55132#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 55133#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 55134#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)))), 55135#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 55136#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 55137#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 55138#(or (and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))) (not (= main_~head~0.offset 0))), 55139#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 55140#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 55141#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:49,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:27:49,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:27:49,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1131, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:27:49,556 INFO L87 Difference]: Start difference. First operand 346 states and 363 transitions. Second operand 36 states. [2018-04-10 15:27:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:51,072 INFO L93 Difference]: Finished difference Result 376 states and 394 transitions. [2018-04-10 15:27:51,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:27:51,072 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-04-10 15:27:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:51,073 INFO L225 Difference]: With dead ends: 376 [2018-04-10 15:27:51,073 INFO L226 Difference]: Without dead ends: 376 [2018-04-10 15:27:51,073 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=557, Invalid=4135, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:27:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-04-10 15:27:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 360. [2018-04-10 15:27:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-10 15:27:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 378 transitions. [2018-04-10 15:27:51,076 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 378 transitions. Word has length 95 [2018-04-10 15:27:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:51,076 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 378 transitions. [2018-04-10 15:27:51,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:27:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 378 transitions. [2018-04-10 15:27:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-10 15:27:51,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:51,076 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:51,076 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:51,076 INFO L82 PathProgramCache]: Analyzing trace with hash -479611084, now seen corresponding path program 2 times [2018-04-10 15:27:51,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:51,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:51,498 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:51,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:27:51,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:51,499 INFO L182 omatonBuilderFactory]: Interpolants [55944#true, 55945#false, 55946#(= 1 (select |#valid| main_~head~0.base)), 55947#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 55948#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 55949#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 55950#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 55951#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 55952#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55953#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55954#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 55955#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55957#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 55958#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 55959#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 55960#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55961#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 55962#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 55963#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 55964#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55965#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55966#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0))), 55967#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55968#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 55969#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)), 55970#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 55971#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55972#(or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0))), 55973#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 55974#(= main_~x~0.offset 0), 55975#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:27:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:51,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:27:51,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:27:51,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:27:51,500 INFO L87 Difference]: Start difference. First operand 360 states and 378 transitions. Second operand 32 states. [2018-04-10 15:27:52,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:52,455 INFO L93 Difference]: Finished difference Result 393 states and 409 transitions. [2018-04-10 15:27:52,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:27:52,455 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 97 [2018-04-10 15:27:52,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:52,456 INFO L225 Difference]: With dead ends: 393 [2018-04-10 15:27:52,456 INFO L226 Difference]: Without dead ends: 393 [2018-04-10 15:27:52,456 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=374, Invalid=2706, Unknown=0, NotChecked=0, Total=3080 [2018-04-10 15:27:52,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-04-10 15:27:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 362. [2018-04-10 15:27:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-04-10 15:27:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 381 transitions. [2018-04-10 15:27:52,458 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 381 transitions. Word has length 97 [2018-04-10 15:27:52,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:52,458 INFO L459 AbstractCegarLoop]: Abstraction has 362 states and 381 transitions. [2018-04-10 15:27:52,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:27:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 381 transitions. [2018-04-10 15:27:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-10 15:27:52,493 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:52,493 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:52,493 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:52,493 INFO L82 PathProgramCache]: Analyzing trace with hash 549974232, now seen corresponding path program 7 times [2018-04-10 15:27:52,494 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:52,508 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:53,366 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:53,366 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:27:53,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:53,367 INFO L182 omatonBuilderFactory]: Interpolants [56779#true, 56780#false, 56781#(= 0 |main_#t~malloc0.offset|), 56782#(= 0 main_~head~0.offset), 56783#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 56784#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 56785#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 56786#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 56787#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 56788#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 56789#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 56790#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 56791#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 56792#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 56793#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 56794#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 56795#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 56796#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 56797#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 56798#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 56799#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 56800#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 56801#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 56802#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 56803#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 56804#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 56805#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 56806#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 56807#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 56808#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 56809#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 56810#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 56811#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 56812#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 56813#(= 1 (select |#valid| |main_#t~mem12.base|)), 56814#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:27:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:53,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:27:53,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:27:53,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:27:53,368 INFO L87 Difference]: Start difference. First operand 362 states and 381 transitions. Second operand 36 states. [2018-04-10 15:27:55,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:55,792 INFO L93 Difference]: Finished difference Result 421 states and 441 transitions. [2018-04-10 15:27:55,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:27:55,792 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 97 [2018-04-10 15:27:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:55,793 INFO L225 Difference]: With dead ends: 421 [2018-04-10 15:27:55,793 INFO L226 Difference]: Without dead ends: 421 [2018-04-10 15:27:55,793 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1647 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=892, Invalid=5914, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:27:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-10 15:27:55,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 365. [2018-04-10 15:27:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-10 15:27:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 385 transitions. [2018-04-10 15:27:55,795 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 385 transitions. Word has length 97 [2018-04-10 15:27:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:55,796 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 385 transitions. [2018-04-10 15:27:55,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:27:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 385 transitions. [2018-04-10 15:27:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-10 15:27:55,796 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:55,796 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:55,796 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:55,796 INFO L82 PathProgramCache]: Analyzing trace with hash 549974233, now seen corresponding path program 5 times [2018-04-10 15:27:55,797 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:55,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:27:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:57,161 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:27:57,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-10 15:27:57,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:27:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:57,162 INFO L182 omatonBuilderFactory]: Interpolants [57728#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 57729#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 57730#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 57731#(and (= 0 |main_#t~mem12.offset|) (<= 12 (select |#length| |main_#t~mem12.base|))), 57732#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 57695#true, 57696#false, 57697#(= 0 |main_#t~malloc0.offset|), 57698#(= 0 main_~head~0.offset), 57699#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 57700#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 57701#(and (= main_~x~0.offset |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 57702#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 57703#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 57704#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= |main_#t~mem4.offset| 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 57705#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 57706#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 57707#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 57708#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 57709#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 57710#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57711#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57712#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57713#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 57714#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57715#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57716#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem4.base|) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57717#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57718#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57719#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57720#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#length| main_~x~0.base) 12)), 57721#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 57722#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 57723#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57724#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 57725#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 57726#(or (not (= |main_#t~mem9| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 57727#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))))] [2018-04-10 15:27:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:27:57,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:27:57,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:27:57,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1297, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:27:57,163 INFO L87 Difference]: Start difference. First operand 365 states and 385 transitions. Second operand 38 states. [2018-04-10 15:27:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:27:59,703 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2018-04-10 15:27:59,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:27:59,704 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 97 [2018-04-10 15:27:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:27:59,704 INFO L225 Difference]: With dead ends: 447 [2018-04-10 15:27:59,705 INFO L226 Difference]: Without dead ends: 447 [2018-04-10 15:27:59,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=643, Invalid=5363, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:27:59,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-10 15:27:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 365. [2018-04-10 15:27:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-10 15:27:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2018-04-10 15:27:59,707 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 97 [2018-04-10 15:27:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:27:59,707 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2018-04-10 15:27:59,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:27:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2018-04-10 15:27:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-10 15:27:59,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:27:59,707 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:27:59,708 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:27:59,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1867723621, now seen corresponding path program 9 times [2018-04-10 15:27:59,708 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:27:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:27:59,723 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:00,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:00,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:28:00,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:00,611 INFO L182 omatonBuilderFactory]: Interpolants [58625#true, 58626#false, 58627#(= 0 |main_#t~malloc0.offset|), 58628#(= 0 main_~head~0.offset), 58629#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 58630#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 58631#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 58632#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 58633#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 58634#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 58635#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 58636#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 58637#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 58638#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 58639#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 58640#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58641#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58642#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58643#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 58644#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 58645#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 58646#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58647#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58648#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 58649#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 58650#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 58651#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base))), 58652#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58653#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 58654#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 58655#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 58656#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 58657#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 58658#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 58659#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 58660#(= 1 (select |#valid| |main_#t~mem10.base|)), 58661#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:28:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:00,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:28:00,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:28:00,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1225, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:28:00,612 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand 37 states. [2018-04-10 15:28:01,594 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 49 DAG size of output 48 [2018-04-10 15:28:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:03,311 INFO L93 Difference]: Finished difference Result 423 states and 443 transitions. [2018-04-10 15:28:03,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:28:03,311 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 97 [2018-04-10 15:28:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:03,312 INFO L225 Difference]: With dead ends: 423 [2018-04-10 15:28:03,312 INFO L226 Difference]: Without dead ends: 423 [2018-04-10 15:28:03,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=854, Invalid=5626, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 15:28:03,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-04-10 15:28:03,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 373. [2018-04-10 15:28:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-04-10 15:28:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 393 transitions. [2018-04-10 15:28:03,315 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 393 transitions. Word has length 97 [2018-04-10 15:28:03,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:03,315 INFO L459 AbstractCegarLoop]: Abstraction has 373 states and 393 transitions. [2018-04-10 15:28:03,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:28:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 393 transitions. [2018-04-10 15:28:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-10 15:28:03,315 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:03,315 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:03,315 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:03,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1867723620, now seen corresponding path program 9 times [2018-04-10 15:28:03,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:03,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:04,680 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:04,681 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-10 15:28:04,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:04,681 INFO L182 omatonBuilderFactory]: Interpolants [59546#true, 59547#false, 59548#(= 0 |main_#t~malloc0.offset|), 59549#(= 0 main_~head~0.offset), 59550#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 59551#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 59552#(and (= main_~x~0.offset |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 59553#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 59554#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 59555#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= |main_#t~mem4.offset| 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59556#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 59557#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 59558#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 59559#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 59560#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 59561#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59562#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59563#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59564#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 59565#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59566#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59567#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem4.base|) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59568#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59569#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59570#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59571#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#length| main_~x~0.base) 12)), 59572#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 59573#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 59574#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59575#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 59576#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 59577#(or (not (= |main_#t~mem9| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 59578#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))))), 59579#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 59580#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 59581#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59582#(and (<= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 59583#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-04-10 15:28:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:04,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:28:04,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:28:04,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1297, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:28:04,682 INFO L87 Difference]: Start difference. First operand 373 states and 393 transitions. Second operand 38 states. [2018-04-10 15:28:07,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:07,282 INFO L93 Difference]: Finished difference Result 459 states and 481 transitions. [2018-04-10 15:28:07,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:28:07,282 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 97 [2018-04-10 15:28:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:07,283 INFO L225 Difference]: With dead ends: 459 [2018-04-10 15:28:07,283 INFO L226 Difference]: Without dead ends: 459 [2018-04-10 15:28:07,284 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=643, Invalid=5363, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:28:07,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-04-10 15:28:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 379. [2018-04-10 15:28:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-10 15:28:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 399 transitions. [2018-04-10 15:28:07,287 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 399 transitions. Word has length 97 [2018-04-10 15:28:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:07,287 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 399 transitions. [2018-04-10 15:28:07,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:28:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 399 transitions. [2018-04-10 15:28:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-10 15:28:07,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:07,288 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:07,288 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:07,288 INFO L82 PathProgramCache]: Analyzing trace with hash 223987437, now seen corresponding path program 2 times [2018-04-10 15:28:07,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:07,297 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:07,808 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:07,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:28:07,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:07,808 INFO L182 omatonBuilderFactory]: Interpolants [60502#true, 60503#false, 60504#(= 1 (select |#valid| main_~head~0.base)), 60505#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 60506#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 60507#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 60508#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 60509#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 60510#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60511#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60512#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 60513#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 60514#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 60515#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 60516#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 60517#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 60518#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60519#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 60520#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base))), 60521#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60522#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)), 60523#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base))), 60524#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base))), 60525#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60526#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60527#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 60528#(not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 60529#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 60530#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60531#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|))), 60532#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:28:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:07,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:28:07,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:28:07,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:28:07,809 INFO L87 Difference]: Start difference. First operand 379 states and 399 transitions. Second operand 31 states. [2018-04-10 15:28:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:08,796 INFO L93 Difference]: Finished difference Result 389 states and 408 transitions. [2018-04-10 15:28:08,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:28:08,797 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 99 [2018-04-10 15:28:08,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:08,797 INFO L225 Difference]: With dead ends: 389 [2018-04-10 15:28:08,798 INFO L226 Difference]: Without dead ends: 389 [2018-04-10 15:28:08,798 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=444, Invalid=2748, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 15:28:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-10 15:28:08,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 384. [2018-04-10 15:28:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-10 15:28:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 405 transitions. [2018-04-10 15:28:08,800 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 405 transitions. Word has length 99 [2018-04-10 15:28:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:08,800 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 405 transitions. [2018-04-10 15:28:08,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:28:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 405 transitions. [2018-04-10 15:28:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-10 15:28:08,801 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:08,801 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:08,801 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:08,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1344746413, now seen corresponding path program 2 times [2018-04-10 15:28:08,801 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:08,810 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:09,231 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:09,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:28:09,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:09,231 INFO L182 omatonBuilderFactory]: Interpolants [61376#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 61377#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 61378#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 61379#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 61380#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0))), 61381#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 61382#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 61383#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)), 61384#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 61385#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 61386#(or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0))), 61387#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 61388#(= 0 main_~x~0.offset), 61389#(= main_~head~0.offset 0), 61358#true, 61359#false, 61360#(= 1 (select |#valid| main_~head~0.base)), 61361#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 61362#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 61363#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 61364#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 61365#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 61366#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 61367#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 61368#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 61369#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 61370#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 61371#(and (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 61372#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 61373#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 61374#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61375#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)))] [2018-04-10 15:28:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:09,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:28:09,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:28:09,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:28:09,232 INFO L87 Difference]: Start difference. First operand 384 states and 405 transitions. Second operand 32 states. [2018-04-10 15:28:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:10,107 INFO L93 Difference]: Finished difference Result 404 states and 422 transitions. [2018-04-10 15:28:10,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:28:10,108 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 99 [2018-04-10 15:28:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:10,108 INFO L225 Difference]: With dead ends: 404 [2018-04-10 15:28:10,108 INFO L226 Difference]: Without dead ends: 404 [2018-04-10 15:28:10,109 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=368, Invalid=2938, Unknown=0, NotChecked=0, Total=3306 [2018-04-10 15:28:10,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-04-10 15:28:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 375. [2018-04-10 15:28:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-10 15:28:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 395 transitions. [2018-04-10 15:28:10,111 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 395 transitions. Word has length 99 [2018-04-10 15:28:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:10,111 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 395 transitions. [2018-04-10 15:28:10,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:28:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 395 transitions. [2018-04-10 15:28:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:10,111 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:10,112 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:10,112 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:10,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1569167221, now seen corresponding path program 2 times [2018-04-10 15:28:10,112 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:10,125 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:11,073 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:11,073 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-10 15:28:11,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:11,073 INFO L182 omatonBuilderFactory]: Interpolants [62221#true, 62222#false, 62223#(= 0 |main_#t~malloc0.offset|), 62224#(= main_~head~0.offset 0), 62225#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 62226#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 62227#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0)), 62228#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62229#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 62230#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= main_~head~0.offset 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 62231#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 62232#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 62233#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~malloc2.base|))), 62234#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62235#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62236#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62237#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62238#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62239#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62240#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (not (= |main_#t~malloc5.base| main_~x~0.base))), 62241#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 62242#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62243#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 62244#(and (not (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 62245#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 62246#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))), 62247#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))) (= main_~head~0.offset 0)), 62248#(and (= main_~head~0.offset 0) (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))) (not (= |main_#t~mem9| 0)))), 62249#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (+ main_~head~0.offset 8))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|) (= main_~head~0.offset 0)), 62250#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8)))), 62251#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem12.offset|) (= 1 (select (select |#memory_int| |main_#t~mem12.base|) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 62252#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~x~0.offset) (= main_~x~0.offset 0))), 62253#(and (or (= 1 |main_#t~mem13|) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset 0)), 62254#(and (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 62255#(not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)), 62256#(not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|) 0)), 62257#(not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)), 62258#(not (= |main_#t~mem17.offset| 0))] [2018-04-10 15:28:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:11,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:28:11,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:28:11,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1262, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:28:11,074 INFO L87 Difference]: Start difference. First operand 375 states and 395 transitions. Second operand 38 states. [2018-04-10 15:28:12,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:12,579 INFO L93 Difference]: Finished difference Result 384 states and 401 transitions. [2018-04-10 15:28:12,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:28:12,579 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 102 [2018-04-10 15:28:12,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:12,580 INFO L225 Difference]: With dead ends: 384 [2018-04-10 15:28:12,580 INFO L226 Difference]: Without dead ends: 378 [2018-04-10 15:28:12,580 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=624, Invalid=4926, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 15:28:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-10 15:28:12,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 365. [2018-04-10 15:28:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-10 15:28:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2018-04-10 15:28:12,582 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 102 [2018-04-10 15:28:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:12,583 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2018-04-10 15:28:12,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:28:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2018-04-10 15:28:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:12,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:12,583 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:12,583 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:12,583 INFO L82 PathProgramCache]: Analyzing trace with hash 752193246, now seen corresponding path program 4 times [2018-04-10 15:28:12,584 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:12,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:13,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:13,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:28:13,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:13,107 INFO L182 omatonBuilderFactory]: Interpolants [63104#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 63105#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem9| 0))), 63106#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0)))), 63107#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 63108#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 63109#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))), 63110#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 63111#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 63112#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (not (= main_~head~0.offset 0))), 63113#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 63114#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 63115#(= |main_#t~mem17.offset| 0), 63082#true, 63083#false, 63084#(= 1 (select |#valid| main_~head~0.base)), 63085#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 63086#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 63087#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 63088#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 63089#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 63090#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 63091#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 63092#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 63093#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 63094#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|))), 63095#(and (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 63096#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63097#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63098#(and (= 0 |main_#t~malloc5.offset|) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 63099#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 63100#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63101#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63102#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63103#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:28:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:13,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:28:13,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:28:13,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1020, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:28:13,107 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand 34 states. [2018-04-10 15:28:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:14,266 INFO L93 Difference]: Finished difference Result 401 states and 417 transitions. [2018-04-10 15:28:14,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:28:14,267 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 102 [2018-04-10 15:28:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:14,267 INFO L225 Difference]: With dead ends: 401 [2018-04-10 15:28:14,267 INFO L226 Difference]: Without dead ends: 401 [2018-04-10 15:28:14,268 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=308, Invalid=2998, Unknown=0, NotChecked=0, Total=3306 [2018-04-10 15:28:14,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-04-10 15:28:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 382. [2018-04-10 15:28:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-04-10 15:28:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 402 transitions. [2018-04-10 15:28:14,270 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 402 transitions. Word has length 102 [2018-04-10 15:28:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:14,270 INFO L459 AbstractCegarLoop]: Abstraction has 382 states and 402 transitions. [2018-04-10 15:28:14,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:28:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 402 transitions. [2018-04-10 15:28:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:14,270 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:14,270 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-10 15:28:14,271 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash 352868330, now seen corresponding path program 8 times [2018-04-10 15:28:14,271 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:14,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:15,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:15,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-10 15:28:15,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:15,466 INFO L182 omatonBuilderFactory]: Interpolants [63947#true, 63948#false, 63949#(= 1 (select |#valid| main_~head~0.base)), 63950#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 63951#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 63952#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 63953#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 63954#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63955#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63956#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63957#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 63958#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63959#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63960#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63961#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63962#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63963#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63964#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 63965#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63966#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 63967#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63968#(and (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63969#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63970#(and (not (= main_~head~0.base main_~x~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 63971#(and (or (and (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 63972#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 63973#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 63974#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (or (and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (or (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 63975#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 63976#(and (= 1 (select |#valid| main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 63977#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|)))) (not (= main_~x~0.base main_~head~0.base))), 63978#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63979#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 63980#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 63981#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 63982#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 63983#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 63984#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 63985#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 63986#(= 1 (select |#valid| |main_#t~mem12.base|)), 63987#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:28:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:15,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 15:28:15,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 15:28:15,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:28:15,466 INFO L87 Difference]: Start difference. First operand 382 states and 402 transitions. Second operand 41 states. [2018-04-10 15:28:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:17,905 INFO L93 Difference]: Finished difference Result 492 states and 515 transitions. [2018-04-10 15:28:17,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:28:17,906 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 102 [2018-04-10 15:28:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:17,906 INFO L225 Difference]: With dead ends: 492 [2018-04-10 15:28:17,906 INFO L226 Difference]: Without dead ends: 492 [2018-04-10 15:28:17,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=871, Invalid=6101, Unknown=0, NotChecked=0, Total=6972 [2018-04-10 15:28:17,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-04-10 15:28:17,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 428. [2018-04-10 15:28:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-10 15:28:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 451 transitions. [2018-04-10 15:28:17,909 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 451 transitions. Word has length 102 [2018-04-10 15:28:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:17,910 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 451 transitions. [2018-04-10 15:28:17,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 15:28:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 451 transitions. [2018-04-10 15:28:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:17,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:17,910 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-10 15:28:17,910 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 352868331, now seen corresponding path program 6 times [2018-04-10 15:28:17,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:17,926 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:28:19,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:19,146 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-10 15:28:19,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:19,146 INFO L182 omatonBuilderFactory]: Interpolants [65024#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65025#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65026#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 65027#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 65028#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 65029#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 65030#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 65031#(and (= 0 |main_#t~mem12.offset|) (<= 12 (select |#length| |main_#t~mem12.base|))), 65032#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 64994#true, 64995#false, 64996#(= 1 (select |#valid| main_~head~0.base)), 64997#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 64998#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 64999#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 65000#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 65001#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65002#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 65003#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 65004#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 65005#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65006#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65007#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)), 65008#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65009#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65010#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 65011#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 65012#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 65013#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 65014#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65015#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))), 65016#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base))), 65017#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 65018#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 65019#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 65020#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 65021#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65022#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 65023#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-04-10 15:28:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:28:19,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 15:28:19,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 15:28:19,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1321, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:28:19,147 INFO L87 Difference]: Start difference. First operand 428 states and 451 transitions. Second operand 39 states. [2018-04-10 15:28:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:20,844 INFO L93 Difference]: Finished difference Result 447 states and 465 transitions. [2018-04-10 15:28:20,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:28:20,844 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 102 [2018-04-10 15:28:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:20,845 INFO L225 Difference]: With dead ends: 447 [2018-04-10 15:28:20,845 INFO L226 Difference]: Without dead ends: 447 [2018-04-10 15:28:20,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=595, Invalid=4375, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:28:20,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-10 15:28:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 420. [2018-04-10 15:28:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-10 15:28:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 441 transitions. [2018-04-10 15:28:20,847 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 441 transitions. Word has length 102 [2018-04-10 15:28:20,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:20,847 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 441 transitions. [2018-04-10 15:28:20,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 15:28:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 441 transitions. [2018-04-10 15:28:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:20,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:20,848 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:20,848 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:20,848 INFO L82 PathProgramCache]: Analyzing trace with hash -2064829523, now seen corresponding path program 10 times [2018-04-10 15:28:20,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:20,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:21,992 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:21,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-10 15:28:21,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:21,993 INFO L182 omatonBuilderFactory]: Interpolants [65985#(and (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65984#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65987#(and (not (= main_~head~0.base main_~x~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 65986#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65989#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 65988#(and (or (and (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 65991#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (or (and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (or (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))))), 65990#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 65993#(and (= 1 (select |#valid| main_~head~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base main_~head~0.base))), 65992#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 65995#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65994#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (or (and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|)))) (not (= main_~x~0.base main_~head~0.base))), 65997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 65996#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 65999#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 65998#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 66001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 66000#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= |main_#t~mem9| 0))), 66003#(= 1 (select |#valid| |main_#t~mem10.base|)), 66002#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 66004#(= 1 (select |#valid| main_~x~0.base)), 65965#false, 65964#true, 65967#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 65966#(= 1 (select |#valid| main_~head~0.base)), 65969#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 65968#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 65971#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65970#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 65973#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65972#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65975#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65974#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 65977#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65976#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65979#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65978#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65981#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 65980#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65983#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 65982#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-04-10 15:28:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:21,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 15:28:21,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 15:28:21,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1477, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:28:21,993 INFO L87 Difference]: Start difference. First operand 420 states and 441 transitions. Second operand 41 states. [2018-04-10 15:28:24,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:24,403 INFO L93 Difference]: Finished difference Result 486 states and 508 transitions. [2018-04-10 15:28:24,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-10 15:28:24,403 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 102 [2018-04-10 15:28:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:24,404 INFO L225 Difference]: With dead ends: 486 [2018-04-10 15:28:24,404 INFO L226 Difference]: Without dead ends: 486 [2018-04-10 15:28:24,404 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1809 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=863, Invalid=5943, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:28:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-04-10 15:28:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 428. [2018-04-10 15:28:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-10 15:28:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 450 transitions. [2018-04-10 15:28:24,406 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 450 transitions. Word has length 102 [2018-04-10 15:28:24,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:24,407 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 450 transitions. [2018-04-10 15:28:24,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 15:28:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 450 transitions. [2018-04-10 15:28:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:28:24,407 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:24,407 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:24,407 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2064829522, now seen corresponding path program 10 times [2018-04-10 15:28:24,408 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:24,422 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:26,101 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:26,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-10 15:28:26,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:26,101 INFO L182 omatonBuilderFactory]: Interpolants [67009#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 67008#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 67011#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67010#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67013#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 67012#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67015#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67014#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67017#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67016#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67019#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67018#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67021#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 67020#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 67023#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67022#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 67025#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67024#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 67027#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 67026#(and (= 1 (select |#valid| main_~head~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 67029#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 67028#(and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67031#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base))), 67030#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (or (and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67033#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base main_~x~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| |main_#t~malloc5.base|))))), 67032#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base))), 67035#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem6.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem6.base| main_~head~0.base))), 67034#(and (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 67037#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 67036#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base main_~x~0.base))), 67039#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 67038#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 67041#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 67040#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= |main_#t~mem9| 0))), 67043#(and (<= 12 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 67042#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 67044#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 67003#true, 67005#(= 1 (select |#valid| main_~head~0.base)), 67004#false, 67007#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 67006#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:28:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:26,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-10 15:28:26,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-10 15:28:26,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 15:28:26,102 INFO L87 Difference]: Start difference. First operand 428 states and 450 transitions. Second operand 42 states. [2018-04-10 15:28:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:29,349 INFO L93 Difference]: Finished difference Result 519 states and 543 transitions. [2018-04-10 15:28:29,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:28:29,349 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 102 [2018-04-10 15:28:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:29,350 INFO L225 Difference]: With dead ends: 519 [2018-04-10 15:28:29,350 INFO L226 Difference]: Without dead ends: 519 [2018-04-10 15:28:29,350 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1756 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=748, Invalid=5732, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 15:28:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-04-10 15:28:29,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 420. [2018-04-10 15:28:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-10 15:28:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 441 transitions. [2018-04-10 15:28:29,352 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 441 transitions. Word has length 102 [2018-04-10 15:28:29,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:29,352 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 441 transitions. [2018-04-10 15:28:29,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-10 15:28:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 441 transitions. [2018-04-10 15:28:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:28:29,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:29,353 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:29,353 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:29,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1843154416, now seen corresponding path program 3 times [2018-04-10 15:28:29,354 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:29,362 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:30,133 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:30,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:28:30,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:30,134 INFO L182 omatonBuilderFactory]: Interpolants [68097#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 68096#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68098#(= 1 (select |#valid| |main_#t~mem17.base|)), 68063#false, 68062#true, 68065#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 68064#(= 1 (select |#valid| main_~head~0.base)), 68067#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 68066#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 68069#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 68068#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 68071#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 68070#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 68073#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68072#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 68075#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 68074#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68077#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68076#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68079#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 68078#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 68081#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68080#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68083#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 68082#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 68085#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 68084#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 68087#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 68086#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0))))), 68089#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 68088#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 68091#(or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 68090#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))))), 68093#(or (not (= 0 main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 68092#(or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 68095#(or (not (= 0 main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 68094#(or (not (= 0 main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))))] [2018-04-10 15:28:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:30,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:28:30,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:28:30,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1225, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:28:30,135 INFO L87 Difference]: Start difference. First operand 420 states and 441 transitions. Second operand 37 states. [2018-04-10 15:28:31,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:31,714 INFO L93 Difference]: Finished difference Result 426 states and 445 transitions. [2018-04-10 15:28:31,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:28:31,714 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 103 [2018-04-10 15:28:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:31,715 INFO L225 Difference]: With dead ends: 426 [2018-04-10 15:28:31,715 INFO L226 Difference]: Without dead ends: 426 [2018-04-10 15:28:31,715 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=392, Invalid=3898, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:28:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-04-10 15:28:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2018-04-10 15:28:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-04-10 15:28:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 442 transitions. [2018-04-10 15:28:31,717 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 442 transitions. Word has length 103 [2018-04-10 15:28:31,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:31,717 INFO L459 AbstractCegarLoop]: Abstraction has 421 states and 442 transitions. [2018-04-10 15:28:31,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:28:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 442 transitions. [2018-04-10 15:28:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:28:31,718 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:31,718 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:31,718 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:31,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1133817912, now seen corresponding path program 3 times [2018-04-10 15:28:31,718 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:31,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:32,562 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:32,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-10 15:28:32,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:32,563 INFO L182 omatonBuilderFactory]: Interpolants [69005#false, 69004#true, 69007#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 69006#(= 1 (select |#valid| main_~head~0.base)), 69009#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 69008#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 69011#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 69010#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 69013#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 69012#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 69015#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 69014#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 69017#(and (= |main_#t~mem4.offset| 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 69016#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 69019#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 69018#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 69021#(and (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 69020#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 69023#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 69022#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)), 69025#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 69024#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 69027#(or (not (= |main_#t~mem9| 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))))), 69026#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))))), 69029#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 69028#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0)))), 69031#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 69030#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)))), 69033#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.offset 0))), 69032#(and (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)))), 69035#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.offset 0))), 69034#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.offset 0))), 69037#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)) (not (= main_~head~0.offset 0))), 69036#(or (not (= main_~head~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))))), 69039#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 69038#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))), 69041#(or (and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~head~0.base |main_#t~mem15.base|))) (not (= main_~head~0.offset 0))), 69040#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))), 69043#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))), 69042#(or (and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base))) (not (= main_~head~0.offset 0))), 69044#(= 1 (select |#valid| main_~x~0.base))] [2018-04-10 15:28:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:32,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 15:28:32,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 15:28:32,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1508, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:28:32,563 INFO L87 Difference]: Start difference. First operand 421 states and 442 transitions. Second operand 41 states. [2018-04-10 15:28:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:34,915 INFO L93 Difference]: Finished difference Result 444 states and 464 transitions. [2018-04-10 15:28:34,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-10 15:28:34,915 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 103 [2018-04-10 15:28:34,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:34,915 INFO L225 Difference]: With dead ends: 444 [2018-04-10 15:28:34,916 INFO L226 Difference]: Without dead ends: 444 [2018-04-10 15:28:34,916 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=750, Invalid=6222, Unknown=0, NotChecked=0, Total=6972 [2018-04-10 15:28:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2018-04-10 15:28:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 428. [2018-04-10 15:28:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-10 15:28:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 450 transitions. [2018-04-10 15:28:34,918 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 450 transitions. Word has length 103 [2018-04-10 15:28:34,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:34,918 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 450 transitions. [2018-04-10 15:28:34,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 15:28:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 450 transitions. [2018-04-10 15:28:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:28:34,918 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:34,919 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:34,919 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:34,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1133817913, now seen corresponding path program 3 times [2018-04-10 15:28:34,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:34,928 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:35,601 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:35,601 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:28:35,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:35,602 INFO L182 omatonBuilderFactory]: Interpolants [70017#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 70016#(and (= |main_#t~mem4.offset| 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 70019#(and (= 0 |main_#t~malloc5.offset|) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 70018#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 70021#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 70020#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 70023#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 70022#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 70025#(or (and (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)) (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0))), 70024#(and (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 70027#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0)))), 70026#(or (and (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~mem9| 0))), 70029#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))), 70028#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 70031#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 70030#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))), 70033#(and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.offset 0))) (or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (not (= main_~head~0.offset 0)))), 70032#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)))), 70035#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 70034#(and (or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))) (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.offset 0)))), 70037#(and (or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0))) (or (= 12 (select |#length| |main_#t~mem15.base|)) (not (= main_~head~0.offset 0)))), 70036#(and (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 70039#(and (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 70038#(and (or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))) (or (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.offset 0)))), 70003#true, 70005#(= 1 (select |#valid| main_~head~0.base)), 70004#false, 70007#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 70006#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70009#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 70008#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 70011#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70010#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 70013#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 70012#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70015#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70014#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))] [2018-04-10 15:28:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:35,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:28:35,602 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:28:35,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1219, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:28:35,602 INFO L87 Difference]: Start difference. First operand 428 states and 450 transitions. Second operand 37 states. [2018-04-10 15:28:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:36,986 INFO L93 Difference]: Finished difference Result 464 states and 481 transitions. [2018-04-10 15:28:36,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:28:36,986 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 103 [2018-04-10 15:28:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:36,987 INFO L225 Difference]: With dead ends: 464 [2018-04-10 15:28:36,987 INFO L226 Difference]: Without dead ends: 464 [2018-04-10 15:28:36,987 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=310, Invalid=3230, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:28:36,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-04-10 15:28:36,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 430. [2018-04-10 15:28:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-04-10 15:28:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 452 transitions. [2018-04-10 15:28:36,989 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 452 transitions. Word has length 103 [2018-04-10 15:28:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:36,989 INFO L459 AbstractCegarLoop]: Abstraction has 430 states and 452 transitions. [2018-04-10 15:28:36,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:28:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 452 transitions. [2018-04-10 15:28:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:28:36,990 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:36,990 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:36,990 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:36,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1006313374, now seen corresponding path program 4 times [2018-04-10 15:28:36,990 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:36,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:37,525 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:37,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:28:37,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:37,525 INFO L182 omatonBuilderFactory]: Interpolants [70981#false, 70980#true, 70983#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70982#(= 1 (select |#valid| main_~head~0.base)), 70985#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 70984#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 70987#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 70986#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 70989#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 70988#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 70991#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70990#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 70993#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70992#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70995#(and (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70994#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70997#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70996#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70999#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 70998#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71001#(or (not (= |main_#t~mem9| 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 71000#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 71003#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 71002#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 71005#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (not (= main_~head~0.base |main_#t~mem10.base|))), 71007#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 71006#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 71009#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 71008#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 71011#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 71010#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 71013#(= 1 (select |#valid| |main_#t~mem17.base|)), 71012#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-04-10 15:28:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:37,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:28:37,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:28:37,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1019, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:28:37,526 INFO L87 Difference]: Start difference. First operand 430 states and 452 transitions. Second operand 34 states. [2018-04-10 15:28:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:38,844 INFO L93 Difference]: Finished difference Result 434 states and 454 transitions. [2018-04-10 15:28:38,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:28:38,844 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 104 [2018-04-10 15:28:38,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:38,844 INFO L225 Difference]: With dead ends: 434 [2018-04-10 15:28:38,844 INFO L226 Difference]: Without dead ends: 434 [2018-04-10 15:28:38,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=392, Invalid=3514, Unknown=0, NotChecked=0, Total=3906 [2018-04-10 15:28:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-04-10 15:28:38,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2018-04-10 15:28:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-04-10 15:28:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 451 transitions. [2018-04-10 15:28:38,847 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 451 transitions. Word has length 104 [2018-04-10 15:28:38,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:38,847 INFO L459 AbstractCegarLoop]: Abstraction has 430 states and 451 transitions. [2018-04-10 15:28:38,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:28:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 451 transitions. [2018-04-10 15:28:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:28:38,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:38,848 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:38,848 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:38,848 INFO L82 PathProgramCache]: Analyzing trace with hash 296976871, now seen corresponding path program 4 times [2018-04-10 15:28:38,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:38,855 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-10 15:28:38,986 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:38,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-10 15:28:38,986 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:38,986 INFO L182 omatonBuilderFactory]: Interpolants [71937#false, 71936#true, 71939#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem10.base|) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 71938#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 71941#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem10.base|) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71940#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 71943#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71942#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 71945#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 71944#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 71947#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 71946#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 71949#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 71948#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 12) (select |#length| |main_#t~mem15.base|)))] [2018-04-10 15:28:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-10 15:28:38,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:28:38,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:28:38,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:28:38,987 INFO L87 Difference]: Start difference. First operand 430 states and 451 transitions. Second operand 14 states. [2018-04-10 15:28:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:39,528 INFO L93 Difference]: Finished difference Result 533 states and 554 transitions. [2018-04-10 15:28:39,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:28:39,529 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 104 [2018-04-10 15:28:39,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:39,529 INFO L225 Difference]: With dead ends: 533 [2018-04-10 15:28:39,529 INFO L226 Difference]: Without dead ends: 533 [2018-04-10 15:28:39,529 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:28:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-04-10 15:28:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 433. [2018-04-10 15:28:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-04-10 15:28:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 455 transitions. [2018-04-10 15:28:39,531 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 455 transitions. Word has length 104 [2018-04-10 15:28:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:39,532 INFO L459 AbstractCegarLoop]: Abstraction has 433 states and 455 transitions. [2018-04-10 15:28:39,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:28:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 455 transitions. [2018-04-10 15:28:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-10 15:28:39,532 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:39,532 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:39,532 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:39,532 INFO L82 PathProgramCache]: Analyzing trace with hash -654965632, now seen corresponding path program 9 times [2018-04-10 15:28:39,533 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:39,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:41,349 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:41,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:28:41,349 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:41,350 INFO L182 omatonBuilderFactory]: Interpolants [72961#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 72960#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem6.base| main_~head~0.base))), 72963#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 72962#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 72965#(or (not (= |main_#t~mem9| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 72964#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 72967#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 72966#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))))), 72969#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 72968#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 72971#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 72970#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 72973#(= 1 (select |#valid| main_~x~0.base)), 72972#(= 1 (select |#valid| |main_#t~mem12.base|)), 72935#false, 72934#true, 72937#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 72936#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 72939#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 72938#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 72941#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 72940#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 72943#(and (= 0 main_~head~0.offset) (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= (select |#length| main_~head~0.base) 12) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 72942#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 12)), 72945#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base))), 72944#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base))), 72947#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12)), 72946#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 72949#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem4.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= (select |#length| main_~head~0.base) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 72948#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 72951#(and (= 1 (select |#valid| main_~x~0.base)) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 72950#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (not (= main_~x~0.offset 0)) (or (<= (select |#length| main_~x~0.base) 12) (<= main_~x~0.offset 0))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72953#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 72952#(and (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 72955#(and (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72954#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 72957#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 72959#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 72958#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-04-10 15:28:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:41,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:28:41,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:28:41,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1444, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:28:41,351 INFO L87 Difference]: Start difference. First operand 433 states and 455 transitions. Second operand 40 states. [2018-04-10 15:28:44,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:44,346 INFO L93 Difference]: Finished difference Result 528 states and 551 transitions. [2018-04-10 15:28:44,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:28:44,346 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 106 [2018-04-10 15:28:44,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:44,347 INFO L225 Difference]: With dead ends: 528 [2018-04-10 15:28:44,347 INFO L226 Difference]: Without dead ends: 528 [2018-04-10 15:28:44,347 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1912 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=927, Invalid=6729, Unknown=0, NotChecked=0, Total=7656 [2018-04-10 15:28:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-04-10 15:28:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 450. [2018-04-10 15:28:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-10 15:28:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 474 transitions. [2018-04-10 15:28:44,349 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 474 transitions. Word has length 106 [2018-04-10 15:28:44,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:44,349 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 474 transitions. [2018-04-10 15:28:44,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:28:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 474 transitions. [2018-04-10 15:28:44,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-10 15:28:44,350 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:44,350 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:44,350 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash -654965631, now seen corresponding path program 7 times [2018-04-10 15:28:44,350 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:44,371 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:45,941 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:45,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:28:45,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:45,942 INFO L182 omatonBuilderFactory]: Interpolants [74049#false, 74048#true, 74051#(= 0 main_~head~0.offset), 74050#(= 0 |main_#t~malloc0.offset|), 74053#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 74052#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 74055#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 74054#(and (= main_~x~0.offset |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 74057#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= |main_#t~mem4.offset| 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 74056#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 74059#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 74058#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 74061#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 74060#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 74063#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74062#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 74065#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74064#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74067#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74066#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 74069#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem4.offset|) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74068#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 74071#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74070#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74073#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74072#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74075#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 74074#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 74077#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 74076#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) 8))), 74079#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= |main_#t~mem9| 0))), 74078#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 74081#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 8))), 74080#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) 8))), 74083#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 74082#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) 8))), 74085#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 74084#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 74087#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 74086#(and (<= (+ |main_#t~mem12.offset| 12) (select |#length| |main_#t~mem12.base|)) (<= 0 (+ |main_#t~mem12.offset| 8)))] [2018-04-10 15:28:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:45,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:28:45,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:28:45,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1460, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:28:45,942 INFO L87 Difference]: Start difference. First operand 450 states and 474 transitions. Second operand 40 states. [2018-04-10 15:28:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:49,513 INFO L93 Difference]: Finished difference Result 533 states and 558 transitions. [2018-04-10 15:28:49,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:28:49,513 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 106 [2018-04-10 15:28:49,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:49,514 INFO L225 Difference]: With dead ends: 533 [2018-04-10 15:28:49,514 INFO L226 Difference]: Without dead ends: 533 [2018-04-10 15:28:49,514 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=800, Invalid=7210, Unknown=0, NotChecked=0, Total=8010 [2018-04-10 15:28:49,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-04-10 15:28:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 442. [2018-04-10 15:28:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-04-10 15:28:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 465 transitions. [2018-04-10 15:28:49,516 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 465 transitions. Word has length 106 [2018-04-10 15:28:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:49,517 INFO L459 AbstractCegarLoop]: Abstraction has 442 states and 465 transitions. [2018-04-10 15:28:49,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:28:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 465 transitions. [2018-04-10 15:28:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-10 15:28:49,517 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:49,517 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:49,517 INFO L408 AbstractCegarLoop]: === Iteration 107 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:49,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1222303811, now seen corresponding path program 11 times [2018-04-10 15:28:49,518 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:49,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:51,504 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:51,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:28:51,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:51,505 INFO L182 omatonBuilderFactory]: Interpolants [75201#(= 1 (select |#valid| |main_#t~mem10.base|)), 75200#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 75202#(= 1 (select |#valid| main_~x~0.base)), 75163#true, 75165#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 75164#false, 75167#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base))), 75166#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 75169#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 75168#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 75171#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#length| main_~x~0.base) 12)), 75170#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)), 75173#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base))), 75172#(and (= 0 main_~head~0.offset) (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= (select |#length| main_~head~0.base) 12) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 75175#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 75174#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base main_~head~0.base))), 75177#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (<= (select |#length| main_~head~0.base) 12) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 75176#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (<= (select |#length| main_~head~0.base) 12)), 75179#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (not (= main_~x~0.offset 0)) (or (<= (select |#length| main_~x~0.base) 12) (<= main_~x~0.offset 0))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75178#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem4.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= (select |#length| main_~head~0.base) 12) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75181#(and (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 75180#(and (= 1 (select |#valid| main_~x~0.base)) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~x~0.offset 0)) (<= main_~x~0.offset 0))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75183#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 75182#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 75185#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75184#(and (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75187#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75186#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 75189#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem6.base| main_~head~0.base))), 75188#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 75191#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 75190#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 75193#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 75192#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 75195#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))))), 75194#(or (not (= |main_#t~mem9| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 75197#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 75196#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 75199#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))), 75198#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))] [2018-04-10 15:28:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:51,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:28:51,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:28:51,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1444, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:28:51,505 INFO L87 Difference]: Start difference. First operand 442 states and 465 transitions. Second operand 40 states. [2018-04-10 15:28:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:54,498 INFO L93 Difference]: Finished difference Result 528 states and 551 transitions. [2018-04-10 15:28:54,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 15:28:54,498 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 106 [2018-04-10 15:28:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:54,499 INFO L225 Difference]: With dead ends: 528 [2018-04-10 15:28:54,499 INFO L226 Difference]: Without dead ends: 528 [2018-04-10 15:28:54,499 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=829, Invalid=5977, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:28:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-04-10 15:28:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 450. [2018-04-10 15:28:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-10 15:28:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 474 transitions. [2018-04-10 15:28:54,502 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 474 transitions. Word has length 106 [2018-04-10 15:28:54,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:54,502 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 474 transitions. [2018-04-10 15:28:54,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:28:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 474 transitions. [2018-04-10 15:28:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-10 15:28:54,502 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:54,502 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:54,502 INFO L408 AbstractCegarLoop]: === Iteration 108 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1222303812, now seen corresponding path program 11 times [2018-04-10 15:28:54,503 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:54,526 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:28:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:56,198 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:28:56,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:28:56,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:28:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:56,198 INFO L182 omatonBuilderFactory]: Interpolants [76289#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76288#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem4.offset|) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76291#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76290#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76293#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76292#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 76295#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) 8))), 76294#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 76297#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 76296#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 76299#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|))) 8))), 76298#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= |main_#t~mem9| 0))), 76301#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|)) 8))), 76300#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 8))), 76303#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) |main_#t~mem10.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|)))), 76302#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 76305#(and (<= (+ |main_#t~mem10.offset| 12) (select |#length| |main_#t~mem10.base|)) (<= 0 (+ |main_#t~mem10.offset| 8))), 76304#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 76306#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 76267#true, 76269#(= 0 |main_#t~malloc0.offset|), 76268#false, 76271#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 76270#(= 0 main_~head~0.offset), 76273#(and (= main_~x~0.offset |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 76272#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 76275#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 76274#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 76277#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 76276#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (<= |main_#t~mem4.offset| 0) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 76279#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|))), 76278#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 76281#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 76280#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 76283#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 76282#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem4.base|) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 76285#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 76284#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 76287#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 76286#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-04-10 15:28:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:28:56,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:28:56,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:28:56,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1460, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:28:56,199 INFO L87 Difference]: Start difference. First operand 450 states and 474 transitions. Second operand 40 states. [2018-04-10 15:28:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:28:59,656 INFO L93 Difference]: Finished difference Result 533 states and 558 transitions. [2018-04-10 15:28:59,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:28:59,657 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 106 [2018-04-10 15:28:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:28:59,657 INFO L225 Difference]: With dead ends: 533 [2018-04-10 15:28:59,658 INFO L226 Difference]: Without dead ends: 533 [2018-04-10 15:28:59,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=800, Invalid=7210, Unknown=0, NotChecked=0, Total=8010 [2018-04-10 15:28:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-04-10 15:28:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 450. [2018-04-10 15:28:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-10 15:28:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 473 transitions. [2018-04-10 15:28:59,660 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 473 transitions. Word has length 106 [2018-04-10 15:28:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:28:59,660 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 473 transitions. [2018-04-10 15:28:59,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:28:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 473 transitions. [2018-04-10 15:28:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:28:59,661 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:28:59,661 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:28:59,661 INFO L408 AbstractCegarLoop]: === Iteration 109 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:28:59,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1789076947, now seen corresponding path program 3 times [2018-04-10 15:28:59,662 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:28:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:28:59,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:29:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:00,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:29:00,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:29:00,273 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:29:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:00,273 INFO L182 omatonBuilderFactory]: Interpolants [77391#false, 77390#true, 77393#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 77392#(= 1 (select |#valid| main_~head~0.base)), 77395#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 77394#(and (= 0 |main_#t~malloc2.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 77397#(and (= 0 |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 77396#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 77399#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 77398#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 77401#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 77400#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 77403#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem4.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 77402#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 77405#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 77404#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 77407#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 77406#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)), 77409#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 77408#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 77411#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 77410#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 77413#(or (not (= |main_#t~mem9| 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 77412#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 77415#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 77414#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) 0))))), 77417#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 77416#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 77419#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 77418#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 77421#(or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0))), 77420#(or (not (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.offset 0))), 77423#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 77422#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 77425#(= 1 (select |#valid| main_~x~0.base)), 77424#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|)))] [2018-04-10 15:29:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:00,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:29:00,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:29:00,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1133, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:29:00,274 INFO L87 Difference]: Start difference. First operand 450 states and 473 transitions. Second operand 36 states. [2018-04-10 15:29:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:29:02,069 INFO L93 Difference]: Finished difference Result 462 states and 483 transitions. [2018-04-10 15:29:02,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:29:02,069 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 107 [2018-04-10 15:29:02,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:29:02,070 INFO L225 Difference]: With dead ends: 462 [2018-04-10 15:29:02,071 INFO L226 Difference]: Without dead ends: 462 [2018-04-10 15:29:02,071 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=503, Invalid=4053, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:29:02,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-04-10 15:29:02,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 443. [2018-04-10 15:29:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-04-10 15:29:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 466 transitions. [2018-04-10 15:29:02,075 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 466 transitions. Word has length 107 [2018-04-10 15:29:02,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:29:02,076 INFO L459 AbstractCegarLoop]: Abstraction has 443 states and 466 transitions. [2018-04-10 15:29:02,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:29:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 466 transitions. [2018-04-10 15:29:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:29:02,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:29:02,077 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:29:02,077 INFO L408 AbstractCegarLoop]: === Iteration 110 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:29:02,077 INFO L82 PathProgramCache]: Analyzing trace with hash 220343097, now seen corresponding path program 3 times [2018-04-10 15:29:02,078 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:29:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:29:02,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:29:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:02,732 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:29:02,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-10 15:29:02,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:29:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:02,733 INFO L182 omatonBuilderFactory]: Interpolants [78401#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 78400#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 78403#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 78402#(and (= |main_#t~mem4.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 78405#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~malloc2.offset| 0) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| main_~x~0.base))), 78404#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 78407#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 78406#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 78409#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 78408#(and (= |main_#t~mem4.offset| 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|))), 78411#(and (= 0 |main_#t~malloc5.offset|) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~malloc5.base| main_~x~0.base))), 78410#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 78413#(and (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 78412#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 78415#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)), 78414#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 78417#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 78416#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 78419#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) 0)) 0))), 78418#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 78421#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)), 78420#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))), 78423#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0)), 78422#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)), 78425#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (not (= main_~head~0.offset 0))), 78424#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0)) 0))), 78427#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 78426#(or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 78429#(or (= 0 |main_#t~mem15.offset|) (not (= main_~head~0.offset 0))), 78428#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 78431#(= 0 main_~x~0.offset), 78430#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 78432#(= main_~head~0.offset 0), 78395#true, 78397#(= 1 (select |#valid| main_~head~0.base)), 78396#false, 78399#(and (= main_~x~0.offset main_~head~0.offset) (= |main_#t~malloc2.offset| 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 78398#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-04-10 15:29:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:02,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:29:02,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:29:02,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1262, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:29:02,733 INFO L87 Difference]: Start difference. First operand 443 states and 466 transitions. Second operand 38 states. [2018-04-10 15:29:04,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:29:04,295 INFO L93 Difference]: Finished difference Result 477 states and 498 transitions. [2018-04-10 15:29:04,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:29:04,296 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 107 [2018-04-10 15:29:04,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:29:04,296 INFO L225 Difference]: With dead ends: 477 [2018-04-10 15:29:04,296 INFO L226 Difference]: Without dead ends: 477 [2018-04-10 15:29:04,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=437, Invalid=4119, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:29:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-04-10 15:29:04,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 446. [2018-04-10 15:29:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-04-10 15:29:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 469 transitions. [2018-04-10 15:29:04,299 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 469 transitions. Word has length 107 [2018-04-10 15:29:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:29:04,299 INFO L459 AbstractCegarLoop]: Abstraction has 446 states and 469 transitions. [2018-04-10 15:29:04,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:29:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 469 transitions. [2018-04-10 15:29:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-10 15:29:04,299 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:29:04,299 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:29:04,299 INFO L408 AbstractCegarLoop]: === Iteration 111 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:29:04,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1080247406, now seen corresponding path program 5 times [2018-04-10 15:29:04,300 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:29:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:29:04,311 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:29:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:29:05,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:29:05,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-10 15:29:05,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:29:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:05,139 INFO L182 omatonBuilderFactory]: Interpolants [79425#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|) (= |main_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79424#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 79427#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 79426#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 79429#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 79428#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~head~0.base)) (= 1 (select |#valid| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 79431#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (<= main_~head~0.offset 0)), 79430#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 79433#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 79432#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 79435#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 79434#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 79437#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 79436#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (<= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 79439#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= main_~head~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 79438#(and (= 0 |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (<= main_~head~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 79441#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 79440#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base))), 79443#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 79442#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 79445#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem10.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 79444#(or (not (= |main_#t~mem9| 0)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 79447#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 79446#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 79449#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 79448#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 79450#(= |main_#t~mem17.offset| 0), 79417#false, 79416#true, 79419#(= 0 main_~head~0.offset), 79418#(= 0 |main_#t~malloc0.offset|), 79421#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 79420#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base))), 79423#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 79422#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base)))] [2018-04-10 15:29:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:29:05,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-10 15:29:05,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-10 15:29:05,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1079, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:29:05,140 INFO L87 Difference]: Start difference. First operand 446 states and 469 transitions. Second operand 35 states. [2018-04-10 15:29:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:29:06,852 INFO L93 Difference]: Finished difference Result 480 states and 502 transitions. [2018-04-10 15:29:06,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-10 15:29:06,852 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 108 [2018-04-10 15:29:06,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:29:06,853 INFO L225 Difference]: With dead ends: 480 [2018-04-10 15:29:06,853 INFO L226 Difference]: Without dead ends: 480 [2018-04-10 15:29:06,853 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=607, Invalid=4223, Unknown=0, NotChecked=0, Total=4830 [2018-04-10 15:29:06,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2018-04-10 15:29:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 452. [2018-04-10 15:29:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-04-10 15:29:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 475 transitions. [2018-04-10 15:29:06,855 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 475 transitions. Word has length 108 [2018-04-10 15:29:06,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:29:06,856 INFO L459 AbstractCegarLoop]: Abstraction has 452 states and 475 transitions. [2018-04-10 15:29:06,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-10 15:29:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 475 transitions. [2018-04-10 15:29:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-10 15:29:06,856 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:29:06,856 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:29:06,856 INFO L408 AbstractCegarLoop]: === Iteration 112 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:29:06,856 INFO L82 PathProgramCache]: Analyzing trace with hash -872068512, now seen corresponding path program 5 times [2018-04-10 15:29:06,857 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:29:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:29:06,867 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:29:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:29:07,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:29:07,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-10 15:29:07,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:29:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:29:07,607 INFO L182 omatonBuilderFactory]: Interpolants [80453#true, 80455#(= 1 (select |#valid| main_~head~0.base)), 80454#false, 80457#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= |main_#t~malloc2.base| main_~x~0.base))), 80456#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 80459#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~mem3.base|)) (= main_~x~0.base main_~head~0.base)), 80458#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 80461#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 80460#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem4.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)), 80463#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 80462#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 80465#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 80464#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 80467#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80466#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem4.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80469#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc2.base|)) (not (= main_~x~0.base |main_#t~malloc2.base|))), 80468#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80471#(and (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem3.base| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80470#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80473#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~malloc5.base| main_~x~0.base))), 80472#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80475#(and (not (= main_~x~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem6.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80474#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 80477#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 80476#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 80479#(or (not (= |main_#t~mem9| 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 80478#(or (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 80481#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 80480#(and (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem10.base|) |main_#t~mem10.offset|))) (= |main_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 80483#(and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 80482#(and (not (= main_~head~0.base |main_#t~mem12.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem12.base|)), 80485#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 80484#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 80487#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 80486#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 80489#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 80488#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 80490#(= 1 (select |#valid| |main_#t~mem17.base|))] [2018-04-10 15:29:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-10 15:29:07,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:29:07,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:29:07,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1278, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:29:07,608 INFO L87 Difference]: Start difference. First operand 452 states and 475 transitions. Second operand 38 states. [2018-04-10 15:29:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:29:09,070 INFO L93 Difference]: Finished difference Result 491 states and 512 transitions. [2018-04-10 15:29:09,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:29:09,071 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 109 [2018-04-10 15:29:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:29:09,071 INFO L225 Difference]: With dead ends: 491 [2018-04-10 15:29:09,071 INFO L226 Difference]: Without dead ends: 491 [2018-04-10 15:29:09,072 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1184 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=461, Invalid=4231, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:29:09,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-04-10 15:29:09,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 459. [2018-04-10 15:29:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-04-10 15:29:09,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 482 transitions. [2018-04-10 15:29:09,075 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 482 transitions. Word has length 109 [2018-04-10 15:29:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:29:09,076 INFO L459 AbstractCegarLoop]: Abstraction has 459 states and 482 transitions. [2018-04-10 15:29:09,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:29:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 482 transitions. [2018-04-10 15:29:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-10 15:29:09,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:29:09,076 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:29:09,077 INFO L408 AbstractCegarLoop]: === Iteration 113 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:29:09,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1581405016, now seen corresponding path program 4 times [2018-04-10 15:29:09,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-04-10 15:29:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-04-10 15:29:09,099 INFO L293 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2018-04-10 15:29:09,100 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-10 15:29:09,115 WARN L200 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-04-10 15:29:09,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:29:09 BoogieIcfgContainer [2018-04-10 15:29:09,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:29:09,116 INFO L168 Benchmark]: Toolchain (without parser) took 179195.28 ms. Allocated memory was 400.6 MB in the beginning and 1.3 GB in the end (delta: 897.1 MB). Free memory was 335.0 MB in the beginning and 661.6 MB in the end (delta: -326.6 MB). Peak memory consumption was 570.5 MB. Max. memory is 5.3 GB. [2018-04-10 15:29:09,117 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 400.6 MB. Free memory is still 360.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:29:09,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.96 ms. Allocated memory is still 400.6 MB. Free memory was 333.7 MB in the beginning and 307.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-10 15:29:09,117 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 ms. Allocated memory is still 400.6 MB. Free memory was 307.3 MB in the beginning and 302.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:29:09,117 INFO L168 Benchmark]: RCFGBuilder took 493.71 ms. Allocated memory was 400.6 MB in the beginning and 608.7 MB in the end (delta: 208.1 MB). Free memory was 302.6 MB in the beginning and 528.9 MB in the end (delta: -226.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-10 15:29:09,118 INFO L168 Benchmark]: TraceAbstraction took 178406.92 ms. Allocated memory was 608.7 MB in the beginning and 1.3 GB in the end (delta: 688.9 MB). Free memory was 528.9 MB in the beginning and 661.6 MB in the end (delta: -132.7 MB). Peak memory consumption was 556.2 MB. Max. memory is 5.3 GB. [2018-04-10 15:29:09,119 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 400.6 MB. Free memory is still 360.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 248.96 ms. Allocated memory is still 400.6 MB. Free memory was 333.7 MB in the beginning and 307.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.52 ms. Allocated memory is still 400.6 MB. Free memory was 307.3 MB in the beginning and 302.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 493.71 ms. Allocated memory was 400.6 MB in the beginning and 608.7 MB in the end (delta: 208.1 MB). Free memory was 302.6 MB in the beginning and 528.9 MB in the end (delta: -226.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 178406.92 ms. Allocated memory was 608.7 MB in the beginning and 1.3 GB in the end (delta: 688.9 MB). Free memory was 528.9 MB in the beginning and 661.6 MB in the end (delta: -132.7 MB). Peak memory consumption was 556.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1030]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L993] EXPR, FCALL malloc(sizeof(SLL)) [L993] SLL* head = malloc(sizeof(SLL)); [L994] FCALL head->next = ((void*)0) [L995] FCALL head->prev = ((void*)0) [L996] FCALL head->data = 0 [L998] SLL* x = head; [L1001] COND TRUE __VERIFIER_nondet_int() [L1004] EXPR, FCALL malloc(sizeof(SLL)) [L1004] FCALL x->next = malloc(sizeof(SLL)) [L1005] EXPR, FCALL x->next [L1005] FCALL x->next->prev = x [L1006] EXPR, FCALL x->next [L1006] x = x->next [L1007] FCALL x->data = 0 [L1008] COND FALSE !(!(((void*)0) != x)) [L1008] COND FALSE !(0) [L1001] COND TRUE __VERIFIER_nondet_int() [L1004] EXPR, FCALL malloc(sizeof(SLL)) [L1004] FCALL x->next = malloc(sizeof(SLL)) [L1005] EXPR, FCALL x->next [L1005] FCALL x->next->prev = x [L1006] EXPR, FCALL x->next [L1006] x = x->next [L1007] FCALL x->data = 0 [L1008] COND FALSE !(!(((void*)0) != x)) [L1008] COND FALSE !(0) [L1001] COND TRUE __VERIFIER_nondet_int() [L1004] EXPR, FCALL malloc(sizeof(SLL)) [L1004] FCALL x->next = malloc(sizeof(SLL)) [L1005] EXPR, FCALL x->next [L1005] FCALL x->next->prev = x [L1006] EXPR, FCALL x->next [L1006] x = x->next [L1007] FCALL x->data = 0 [L1008] COND FALSE !(!(((void*)0) != x)) [L1008] COND FALSE !(0) [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] FCALL x->data = 1 [L1011] EXPR, FCALL malloc(sizeof(SLL)) [L1011] FCALL x->next = malloc(sizeof(SLL)) [L1012] EXPR, FCALL x->next [L1012] FCALL x->next->prev = x [L1013] EXPR, FCALL x->next [L1013] FCALL x->next->data = 2 [L1015] x = head [L1017] COND FALSE !(!(((void*)0) != x)) [L1017] COND FALSE !(0) [L1019] EXPR, FCALL x->data [L1019] COND TRUE 1 != x->data [L1021] EXPR, FCALL x->data [L1021] COND FALSE !(!(0 == x->data)) [L1021] COND FALSE !(0) [L1022] EXPR, FCALL x->next [L1022] x = x->next [L1019] EXPR, FCALL x->data [L1019] COND FALSE !(1 != x->data) [L1024] EXPR, FCALL x->data [L1024] COND FALSE !(!(1 == x->data)) [L1024] COND FALSE !(0) [L1025] EXPR, FCALL x->next [L1025] x = x->next [L1026] EXPR, FCALL x->data [L1026] COND FALSE !(!(2 == x->data)) [L1026] COND FALSE !(0) [L1028] x = head [L1030] EXPR, FCALL x->data [L1030] COND TRUE 1 != x->data [L1032] head = x [L1033] EXPR, FCALL x->next [L1033] x = x->next [L1034] free(head) [L1034] free(head) [L1034] FCALL free(head) [L1030] EXPR, FCALL x->data [L1030] COND TRUE 1 != x->data [L1032] head = x [L1033] EXPR, FCALL x->next [L1033] x = x->next [L1034] free(head) [L1034] free(head) [L1034] FCALL free(head) [L1030] FCALL x->data - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 137 locations, 55 error locations. UNKNOWN Result, 178.3s OverallTime, 113 OverallIterations, 5 TraceHistogramMax, 121.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8549 SDtfs, 52296 SDslu, 104812 SDs, 0 SdLazy, 144303 SolverSat, 10254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5587 GetRequests, 332 SyntacticMatches, 195 SemanticMatches, 5060 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72282 ImplicationChecksByTransitivity, 100.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 123/3332 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 112 MinimizatonAttempts, 5788 StatesRemovedByMinimization, 110 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 53.6s InterpolantComputationTime, 8228 NumberOfCodeBlocks, 8228 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 8007 ConstructedInterpolants, 0 QuantifiedInterpolants, 17684254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 20 PerfectInterpolantSequences, 123/3332 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-29-09-125.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-29-09-125.csv Completed graceful shutdown